Keyword-advertisement method using meta-information related to digital contents and system thereof

A multimedia content service system providing a keyword advertisement service based on meta information included in multimedia content information, the multimedia content service system comprising a multimedia content service server transmitting moving picture information of a moving picture selected by a user to a user computer, the multimedia content service system comprising:

• a multimedia content DB including at least one moving picture content;
• a multimedia content transmission module for transmitting a selected moving picture content when selection information of a moving picture content is received from the user computer;
• a meta information obtainment module for obtaining meta information of the selected moving picture;
• a keyword advertisement target text generation module for generating at least one keyword advertisement target text based on the meta information obtained from the meta information obtainment module;
• a keyword advertisement content obtainment module for obtaining at least one keyword advertisement content corresponding to a keyword advertisement target text generated by the keyword advertisement target text generation module from a keyword advertisement content providing server;
• and
• a keyword advertisement display module for displaying a keyword advertisement content obtained by the keyword advertisement content obtainment module on a preset location, which is discriminated from a moving picture area reproducing and displaying the moving picture,
• in which the keyword advertisement content providing server comprises a keyword advertisement content providing server-side text obtainment module for receiving a text, a keyword advertisement content DB including at least one advertisement content, and a keyword advertisement content providing server-side keyword advertisement content transmission module for transmitting the keyword advertisement content, and the keyword advertisement content providing server obtains at least one keyword advertisement content corresponding to a keyword advertisement target text transmitted from the keyword advertisement content DB and transmits the obtained keyword advertisement content to the multimedia content service server.

A method for providing a keyword advertisement service based on meta information included in multimedia content information by a multimedia content service system, the multimedia content service system comprising a multimedia content service server transmitting moving picture information of a moving picture selected by a user to a user computer, the method comprising:

• obtaining selection information of a moving picture to be transmitted to the user computer from the user computer;
• obtaining text type meta information of the selected moving picture;
• transmitting the obtained meta information to a meta information-based keyword advertisement intermediation system;
• receiving at least one keyword advertisement content;
• and
• transmitting the moving picture information and the keyword advertisement content to the user computer,
• in which the meta information-based keyword advertisement intermediation system comprises a meta information-based keyword advertisement intermediation server, and the meta information-based keyword advertisement intermediation server comprises a meta information reception module for receiving the meta information, a keyword advertisement target text generation module for generating a keyword advertisement target text by using the meta information obtained by the meta information reception module, a keyword advertisement content obtainment module for transmitting the keyword advertisement target text generation module to a keyword advertisement content generation server and obtaining at least one keyword advertisement content from the keyword advertisement content providing server, and a keyword advertisement content transmission module for transmitting the obtained keyword advertisement content to the multimedia content service system, and
• the keyword advertisement content providing server comprises a keyword advertisement content providing server-side text obtainment module for receiving a text, a keyword advertisement content DB including at least one advertisement content, and a keyword advertisement content providing server-side keyword advertisement content transmission module for transmitting the keyword advertisement content, and the keyword advertisement content providing server obtains at least one keyword advertisement content corresponding to a keyword advertisement target text received from the meta information-based keyword advertisement intermediation server from the keyword advertisement content DB and transmits the obtained keyword advertisement content to the meta information-based keyword advertisement intermediation server.

A method for providing a keyword advertisement service based on meta information included in multimedia content information by a multimedia content service system, the multimedia content service system comprising a multimedia content service server transmitting moving picture information of a moving picture selected by a user to a user computer, the method comprising:

• obtaining selection information of a moving picture to be transmitted to the user computer from the user computer;
• obtaining text type meta information of the selected moving picture;
• transmitting the obtained meta information to a meta information-based keyword advertisement intermediation system;
• receiving at least one keyword advertisement content from a keyword advertisement content providing server;
• and
• transmitting the moving picture information and the keyword advertisement content to the user computer,
• in which the meta information-based keyword advertisement intermediation system comprises a meta information-based keyword advertisement intermediation server, wherein the meta information-based keyword advertisement intermediation server comprises a meta information reception module for receiving the meta information, a keyword advertisement target text generation module for generating a keyword advertisement target text by using the meta information obtained by the meta information reception module, a keyword advertisement content obtainment module for transmitting the keyword advertisement target text generation module to a keyword advertisement content generation server and obtaining at least one keyword advertisement content from the keyword advertisement content providing server, and a keyword advertisement content transmission module for transmitting the obtained keyword advertisement content to the multimedia content service system, and
• the keyword advertisement content providing server comprises a keyword advertisement content providing server-side text obtainment module for receiving a text, a keyword advertisement content DB including at least one advertisement content, and a keyword advertisement content providing server-side keyword advertisement content transmission module for transmitting the keyword advertisement content, and the keyword advertisement content providing server receives keyword advertisement target text from the meta information-based keyword advertisement intermediation server and information on the multimedia content service system including the keyword advertisement target text, obtains at least one keyword advertisement content corresponding to the received keyword advertisement target text from the keyword advertisement content DB and transmits the obtained keyword advertisement content to the multimedia content service system or the user computer.

A multimedia content service system providing a keyword advertisement service based on meta information included in multimedia content information, the multimedia content service system comprising a multimedia content service server transmitting moving picture information of a moving picture selected by a user to a user computer, the system comprising:

• a multimedia content DB including at least one moving picture content;
• a multimedia content transmission module for, transmitting a selected moving picture content when selection information of a moving picture content is received from the user computer;
• a meta information obtainment module for obtaining meta information of the selected moving picture;
• a meta information transmission module for transmitting the obtained meta information to a meta information based keyword advertisement intermediation system;
• a keyword advertisement content reception module for receiving at least one keyword advertisement content related to the meta information from the meta information based keyword advertisement intermediation system;
• and
• a keyword advertisement display module for displaying a keyword advertisement content received by the keyword advertisement content reception module on a preset location, which is discriminated from a moving picture area reproducing and displaying the moving picture,
• in which the meta information-based keyword advertisement intermediation system comprises a meta information-based keyword advertisement intermediation server, and the meta information-based keyword advertisement intermediation server comprises a meta information reception module for receiving the meta information, a keyword advertisement target text generation module for generating a keyword advertisement target text by using the meta information obtained by the meta information reception module, a keyword advertisement content obtainment module for transmitting the keyword advertisement target text generated by the keyword advertisement target text generation module to a keyword advertisement content providing server and obtaining at least one keyword advertisement content from the keyword advertisement content providing server, and a keyword advertisement content transmission module for transmitting the obtained keyword advertisement content to the multimedia content service system, and
• the keyword advertisement content providing server comprises a keyword advertisement content providing server-side text obtainment module for receiving a text, a keyword advertisement content DB including at least one advertisement content, and a keyword advertisement content providing server-side keyword advertisement content transmission module for transmitting the keyword advertisement content, and the keyword advertisement content providing server obtains at least one keyword advertisement content corresponding to the text received from the meta information-based keyword advertisement intermediation server from the keyword advertisement content DB and transmits the obtained keyword advertisement content to the meta information-based keyword advertisement intermediation server.

A multimedia content service system providing a keyword advertisement service based on meta information included in multimedia content information, the multimedia content service system comprising a multimedia content service server transmitting moving picture information of a moving picture selected by a user to a user computer, the system comprising:

• a multimedia content DB including at least one moving picture content;
• a multimedia content transmission module for transmitting a selected moving picture content when selection information of a moving picture content is received from the user computer;
• a meta information obtainment module for obtaining meta information of the selected moving picture;
• a meta information transmission module for transmitting the obtained meta information to a meta information based keyword advertisement intermediation system;
• a keyword advertisement content reception module for receiving at least one keyword advertisement content related to the meta information transferred to the meta information based keyword advertisement intermediation system from a keyword advertisement content providing server;
• and
• a keyword advertisement display module for displaying a keyword advertisement content received by the keyword advertisement content reception module on a preset location, which is discriminated from a moving picture area reproducing and displaying the moving picture,
• in which the meta information-based keyword advertisement intermediation system comprises a meta information-based keyword advertisement intermediation server, and the meta information-based keyword advertisement intermediation server comprises a meta information reception module for receiving the meta information, a keyword advertisement target text generation module for generating a keyword advertisement target text by using the meta information obtained by the meta information reception module, a keyword advertisement content providing server-side text obtainment module for transmitting a keyword advertisement target text generated by the keyword advertisement target text generation module to a keyword advertisement content providing server and receiving a text from the keyword advertisement content providing server, a keyword advertisement content DB including at least one advertisement content, and a keyword advertisement content providing server-side keyword advertisement content transmission module for transmitting the keyword advertisement content, and the keyword advertisement content providing server obtains at least one keyword advertisement content corresponding to the text received from the meta information-based keyword advertisement intermediation server from the keyword advertisement content DB and transmits the obtained keyword advertisement content to the multimedia content service system.

A method for providing a keyword advertisement service based on meta information included in multimedia content information by a meta information-based keyword advertisement intermediation system, which receives meta information from a multimedia content service system comprising a multimedia content service server transmitting moving picture information of a moving picture selected by a user to a user computer, the method comprising:

• obtaining text type meta information from the multimedia content service system;
• transmitting a keyword advertisement target text generated based on the obtained meta information to a keyword advertisement content providing server;
• receiving at least one keyword advertisement content from the keyword advertisement content providing server;
• and
• transmitting the received keyword advertisement content to the multimedia content service system,
• in which the meta information-based keyword advertisement intermediation system comprises a meta information-based keyword advertisement intermediation server, and the meta information-based keyword advertisement intermediation server comprises a meta information reception module for receiving the meta information, a keyword advertisement target text transmission module for transmitting a keyword advertisement target text generated based on the meta information to a keyword advertisement content providing server, a keyword advertisement content obtainment module for obtaining at least one keyword advertisement content from the keyword advertisement content providing server, a keyword advertisement content transmission module for transmitting the obtained keyword advertisement content to the multimedia content service system,
• the keyword advertisement content providing server comprises a keyword advertisement content providing server-side text obtainment module for receiving a text, a keyword advertisement content DB including at least one advertisement content, and a keyword advertisement content providing server-side keyword advertisement content transmission module for transmitting the keyword advertisement content, and the keyword advertisement content providing server obtains at least one keyword advertisement content corresponding to the text received from the meta information-based keyword advertisement intermediation server from the keyword advertisement content DB and transmits the obtained keyword advertisement content to the meta information-based keyword advertisement intermediation server, and
• the multimedia content service system transmits the moving picture information and the received keyword advertisement content to the user computer.

A method for providing a keyword advertisement service based on meta information included in multimedia content information by a meta information-based keyword advertisement intermediation system, which receives meta information from a multimedia content service system comprising a multimedia content service server transmitting moving picture information of a moving picture selected by a user to a user computer, the method comprising:

• obtaining text type meta information from the multimedia content service system;
• transmitting a keyword advertisement target text generated based on the obtained meta information to a keyword advertisement content providing server;
• and
• receiving click generation information of the keyword advertisement content from the multimedia content service system,
• in which the meta information-based keyword advertisement intermediation system comprises a meta information-based keyword advertisement intermediation server, and the meta information-based keyword advertisement intermediation server comprises a meta information reception module for receiving the meta information, a keyword advertisement target text generation module for generating a keyword advertisement target text by using the meta information obtained by the meta information reception module, and a keyword advertisement target text transmission module for transmitting a keyword advertisement target text generated by the keyword advertisement target text generation module to a keyword advertisement content providing server,
• the keyword advertisement content providing server comprises a keyword advertisement content providing server-side text obtainment module for receiving a text, a keyword advertisement content DB including at least one advertisement content, and a keyword advertisement content providing server-side keyword advertisement content transmission module for transmitting the keyword advertisement content, and the keyword advertisement content providing server obtains at least one keyword advertisement content corresponding to the text received from the meta information-based keyword advertisement intermediation server from the keyword advertisement content DB and transmits the obtained keyword advertisement content to the multimedia content service system, and
• the multimedia content service system receives at least one keyword advertisement content from the keyword advertisement content providing server and transmits the moving picture and the obtained keyword advertisement content to the user computer.

A meta information-based keyword advertisement intermediation system providing a keyword advertisement service based on meta information included in multimedia content information, the meta information-based keyword advertisement intermediation system receiving meta information from a multimedia content service system comprising a multimedia content service server transmitting moving picture information of a moving picture selected by a user to a user computer, receiving at least one keyword advertisement content corresponding to the received meta information from a keyword advertisement content providing server, and transmitting the received keyword advertisement content to the multimedia content service system, the meta information-based keyword advertisement intermediation system comprising:

• a meta information reception module for obtaining text type meta information from the multimedia content service system;
• a keyword advertisement target text generation module for generating at least one keyword advertisement target text by using the received meta information;
• a keyword advertisement target text transmission module for transmitting a keyword advertisement target text generated by the keyword advertisement target text generation module to the keyword advertisement content providing server;
• a keyword advertisement content obtainment module for obtaining at least one keyword advertisement content corresponding to the keyword advertisement target text from the keyword advertisement content providing server;
• and
• a keyword advertisement content transmission module for transmitting the obtained keyword advertisement content to the multimedia content service system,
• in which the meta information-based keyword advertisement intermediation system comprises a meta information-based keyword advertisement intermediation server, and the meta information-based keyword advertisement intermediation server comprises a meta information reception module for receiving the meta information, a keyword advertisement target text generation module for generating a keyword advertisement target text by using the meta information obtained by the meta information reception module, a keyword advertisement content obtainment module for transmitting the keyword advertisement target text generation module to a keyword advertisement content providing server and obtaining at least one keyword advertisement content from the keyword advertisement content providing server, a keyword advertisement content transmission module for transmitting the obtained keyword advertisement content to the multimedia content service system, and
• the keyword advertisement content providing server comprises a keyword advertisement content providing server-side text obtainment module for receiving a text, a keyword advertisement content DB including at least one advertisement content, and a keyword advertisement content providing server-side keyword advertisement content transmission module for transmitting the keyword advertisement content, the keyword advertisement content providing server obtains at least one keyword advertisement content corresponding to the keyword advertisement target text received from the meta information-based keyword advertisement intermediation server from the keyword advertisement content DB and transmits the obtained keyword advertisement content to the meta information-based keyword advertisement intermediation server, and
• the multimedia content service system transmits the moving picture information and the keyword advertisement content to the user computer.

A method for providing a keyword advertisement service based on meta information included in multimedia content information by a multimedia content service system, the multimedia content service system comprising a multimedia content service server transmitting moving picture information of a moving picture selected by a user to a user computer, the method comprising:

• obtaining selection information of a moving picture to be transmitted to the user computer from the user computer;
• obtaining text type meta information of the selected moving picture;
• transmitting the obtained meta information to a keyword advertisement content providing system;
• receiving at least one keyword advertisement content from the keyword advertisement content providing system;
• and
• transmitting the moving picture information and the keyword advertisement content to the user computer,
• in which the keyword advertisement content providing system comprises a meta information-based keyword advertisement providing server and a keyword advertisement content providing server, and
• the meta information-based keyword advertisement providing server comprises a meta information reception module and a keyword advertisement control module, the meta information reception module obtains meta information from the multimedia content service system, the keyword advertisement control module generates a keyword advertisement target text by using the meta information, and
• the meta information-based keyword advertisement providing server generates at least one keyword advertisement target text by using the meta information obtained from the multimedia content service system and transmits the generated keyword advertisement target text to the keyword advertisement content providing server, and
• the keyword advertisement content providing server comprises a keyword advertisement content providing server-side text obtainment module for receiving a text, a keyword advertisement content DB including at least one advertisement content, and a keyword advertisement content providing server-side keyword advertisement content transmission module for transmitting the keyword advertisement content, and the keyword advertisement content providing server obtains at least one keyword advertisement content corresponding to the received keyword advertisement target text from the keyword advertisement content DB, and
• the keyword advertisement content providing system transmits the obtained keyword advertisement content to the multimedia content service server.

A system providing a keyword advertisement service based on meta information included in multimedia content information, comprising

• a multimedia content DB including at least one moving picture content;
• a multimedia content transmission module for, when selection information of a moving picture content is received from the user computer, transmitting the selected moving picture content;
• a meta information obtainment module for obtaining meta information of the selected moving picture;
• a meta information transmission module for transmitting the obtained meta information to a keyword advertisement content providing system;
• a keyword advertisement content reception module for receiving at least one keyword advertisement content from the keyword advertisement content providing system;
• and
• a keyword advertisement display module for displaying the keyword advertisement content received by the keyword advertisement content reception module on a preset location, which is discriminated from a moving picture area reproducing and displaying the moving picture,
• in which the keyword advertisement content providing system comprises a meta information-based keyword advertisement providing server and a keyword advertisement content providing server,
• the meta information-based keyword advertisement providing server comprises a meta information reception module and a keyword advertisement control module, the meta information reception module obtains meta information from the multimedia content service system, and the keyword advertisement control module generates a keyword advertisement target text by using the meta information, and
• the meta information-based keyword advertisement providing server generates at least one keyword advertisement target text by using the meta information obtained from the multimedia content service system and transmits the generated keyword advertisement target text to the keyword advertisement content providing server, and
• the keyword advertisement content providing server comprises a keyword advertisement content providing server-side text obtainment module for receiving a text, a keyword advertisement content DB including at least one advertisement content, and a keyword advertisement content providing server-side keyword advertisement content transmission module for transmitting the keyword advertisement content, and the keyword advertisement content providing server obtains at least one keyword advertisement content corresponding to the received text from the keyword advertisement content DB, and
• the keyword advertisement content providing system transmits the obtained keyword advertisement content to the multimedia content service server.

A method for providing a keyword advertisement service based on meta information included in multimedia content information by a keyword advertisement content providing system, which receives meta information included in moving picture information from at least one outside server and provides at least one keyword advertisement content based on the meta information, the method comprising:

• obtaining text type meta information from the outside server;
• transmitting a keyword advertisement target text generated based on the obtained meta information to a keyword advertisement content providing server;
• receiving at least one keyword advertisement content from the keyword advertisement content providing server;
• and
• transmitting the received keyword advertisement content to the outside server or to a user computer reproducing the moving picture,
• in which the outside server includes the multimedia content service system, which comprises a multimedia content service server transmitting moving picture information of a moving picture selected by the user to the user computer, or a third server, which receives meta information included in moving picture information from the multimedia content service system and transmits the received meta information to the keyword advertisement content providing system,
• the keyword advertisement content providing system comprises a meta information-based keyword advertisement providing server and the keyword advertisement content providing server,
• the meta information-based keyword advertisement providing server generates at least one keyword advertisement target text by using the meta information obtained from the outside server and transmits the generated keyword advertisement target text to the keyword advertisement content providing server,
• the keyword advertisement content providing system obtains at least one keyword advertisement content corresponding to the received keyword advertisement target text and directly transmits the keyword advertisement content to the multimedia content service system or transmits the keyword advertisement content to the multimedia content service system via the third server or a preset server,
• the keyword advertisement content providing server comprises a keyword advertisement content providing server-side text obtainment module for receiving a text, a keyword advertisement content DB including at least one advertisement content, and a keyword advertisement content transmission module for transmitting the keyword advertisement content to an outside server of the keyword advertisement content transmission module, and obtains at least one keyword advertisement content corresponding to the received keyword advertisement target text from the keyword advertisement content DB,
• the keyword advertisement content providing system transmits the obtained keyword advertisement content to the outside server, and
• the user computer obtains moving picture information from the outside server.

A keyword advertisement content providing system providing a keyword advertisement service based on meta information included in multimedia content information, the keyword advertisement content providing system receiving meta information included in moving picture information from at least one outside server and providing at least one keyword advertisement content based on the meta information, the keyword advertisement content providing system comprising:

• a meta information-based keyword advertisement providing server for obtaining meta information from the outside server and providing a keyword advertisement based on the meta information;
• and
• a keyword advertisement content providing server for obtaining at least one keyword advertisement content based on the meta information,
• the keyword advertisement content providing system receives meta information related to the moving picture from the outside server, obtains at least one keyword advertisement content corresponding to the received meta information, and transmits the keyword advertisement content to the outside server or a user computer reproducing the moving picture in a direct manner or via the third server or a preset server, and
• the meta information-based keyword advertisement providing server comprises:
• a meta information reception module for receiving text type meta information from the outside server;
• a keyword advertisement target text generation module for generating at least one keyword advertisement target text by using the received meta information;
• a keyword advertisement content obtainment module for obtaining at least one keyword advertisement content corresponding to the keyword advertisement target text;
• and
• a keyword advertisement content transmission module for transmitting the obtained keyword advertisement content to the outside server,
• in which the outside server includes the multimedia content service system comprising a multimedia content service server transmitting moving picture information of a moving picture selected by the user to the user computer or a third server receiving meta information included in moving picture information from the multimedia content service system and transmitting the received meta information to the keyword advertisement content providing system,
• the keyword advertisement content providing system comprises the meta information-based keyword advertisement providing server and the keyword advertisement content providing server,
• the meta information-based keyword advertisement providing server generates at least one keyword advertisement target text by using the meta information obtained from the outside server and transmits the generated keyword advertisement target text to the keyword advertisement content providing server,
• the keyword advertisement content providing server comprises a text obtainment module for receiving a keyword advertisement target text and a keyword advertisement content DB including at least one advertisement content, obtains at least one keyword advertisement content corresponding to the keyword advertisement target text from the keyword advertisement content DB,
• the keyword advertisement content providing system transmits the obtained keyword advertisement content to the outside server, and
• the user computer obtains moving picture information from the outside server.

A method for providing a keyword advertisement service based on meta information included in multimedia content information by a computer program recorded in a recording medium, the computer program being capable of providing a user computer with a keyword advertisement content based on moving picture information transmitted from a user computer, the method comprising:

• obtaining text type meta information corresponding to the moving picture from web-page information including moving picture information transmitted to the user computer from a multimedia content service system;
• transmitting a keyword advertisement target text generated using the obtained meta information to a keyword advertisement content providing server;
• receiving at least one keyword advertisement content from the keyword advertisement content providing server;
• and
• displaying the received keyword advertisement content before or after a reproduction of the moving picture on the user computer during a reproduction of the moving picture,
• in which the computer program comprises a meta information obtainment module for obtaining meta information from the moving picture information, a keyword advertisement target text generation module for generating the keyword advertisement target text by using the meta information, a keyword advertisement content obtainment module for obtaining a keyword advertisement content from the keyword advertisement content providing server, and a keyword advertisement display module for displaying a keyword advertisement content obtained by the keyword advertisement content obtainment module on a preset location, which is discriminated from a moving picture area reproducing and displaying the moving picture,
• the keyword advertisement display module comprises a keyword advertisement insertion module for inserting the keyword advertisement content to the received web page information, and
• the keyword advertisement content providing server comprises a keyword advertisement content providing server-side text obtainment module for receiving a text, a keyword advertisement content DB including at least one advertisement content, and a keyword advertisement content providing server-side keyword advertisement content transmission module for transmitting the keyword advertisement content, and obtains at least one keyword advertisement content corresponding to the received keyword advertisement target text from the keyword advertisement content DB, and transmits the obtained keyword advertisement content to the multimedia content service server.

A recording medium recording a computer program, which provides a user computer with a keyword advertisement content based on moving picture information transmitted from the user computer, so as to provide a keyword advertisement service based on meta information included in multimedia content information, the recording medium comprising:

• a web page information analysis module for analyzing web page information including moving picture information transmitted to the user computer;
• a meta information obtainment module for obtaining meta information of the moving picture from the web page information analysis module;
• a keyword advertisement target text generation module for generating at least one keyword advertisement target text by using the meta information obtained from the meta information obtainment module;
• a keyword advertisement content obtainment module for obtaining at least one keyword advertisement content corresponding to a keyword advertisement target text generated by the keyword advertisement target text generation module from a keyword advertisement content providing server;
• and
• a keyword advertisement display module for displaying a keyword advertisement content obtained by the keyword advertisement content obtainment module on a preset location, which is discriminated from a moving picture area reproducing and displaying the moving picture;
• in which the keyword advertisement display module further comprises a keyword advertisement insertion module for inserting the keyword advertisement content to a preset location of the web page,
• the web page information analysis module analyzes a web page including the received moving picture information and extracting meta information from the moving picture information,
• the keyword advertisement insertion module binds the obtained keyword advertisement content with the web page transmitted to the user computer, corrects the web page so as to arrange the keyword advertisement content on a preset location and generates a corrected web page, and displays the corrected web page on the user computer, and
• the keyword advertisement content providing server comprises a keyword advertisement content providing server-side text obtainment module for receiving a text, a keyword advertisement content DB including at least one advertisement content, and a keyword advertisement content providing server-side keyword advertisement content transmission module for transmitting the keyword advertisement content, and obtains at least one keyword advertisement content corresponding to the received keyword advertisement target text from the keyword advertisement content DB and transmits the obtained keyword advertisement content to the multimedia content service server.

A method for generating a commercial tag set for a moving picture by a commercial tag set generation system which generates at least one commercial tag set for a moving picture, the method comprising:

• (a) obtaining information of the moving picture;
• (b) receiving at least one commercial tag candidate corresponding to the moving picture;
• (c) inquiring if a keyword advertisement content corresponding to the commercial tag candidate can be provided;
• (d) generating a commercial tag set including at least one commercial tag selected among the commercial tag candidates corresponding to the transmittable keyword advertisement content;
• and
• (e) corresponding the commercial tag set to the moving picture information and storing the inputted commercial tag set.

A keyword advertisement method using a commercial tag set by a multimedia content service system comprising a multimedia content service server transmitting moving picture information selected by a user, the keyword advertisement method comprising:

• transmitting moving picture information to a commercial tag set generation system;
• obtaining a commercial tag set corresponding to the moving picture information from the commercial tag set generation system;
• corresponding the commercial tag set to the moving picture and storing the commercial tag set;
• receiving selection information of a moving picture to be transmitted to the user computer from the user computer;
• receiving a keyword advertisement content corresponding to at least one commercial tag included in the commercial tag set related to the moving picture corresponding to the received selection information;
• and
• transmitting the moving picture and the keyword advertisement content to the user computer.

A method for information processing by a commercial tag set generation system, which generates at least one commercial tag set corresponding to a digital content, so as to provide a keyword advertisement service based on meta information, the method comprising:

• (A) obtaining at least one commercial tag candidate for the digital content;
• (B) obtaining commerciality information of the commercial tag candidate;
• (C) generating at least one commercial tag set including at least one commercial tag candidate corresponding to received selection information among the commercial tag candidates, for the digital content;
• and
• (D) corresponding the obtained commercial tag set to identification information of the digital content and storing the commercial tag set, or transmitting the commercial tag set to a preset system together with the identification information,
• in which the commercial tag set information is information related to a commercial tag set, and the commercial tag set consists of at least one commercial tag belonging to a category of a tag, and the commercial tag guarantees an existence of at least one keyword advertisement content corresponding to the commercial tag in at least one time point between a generation time point of the commercial tag or a calling time point of a keyword advertisement through the keyword advertisement content providing system by using the commercial tag, and
• the tag includes at least one text string of a product name, a service name, a proper noun, and a keyword registered in the keyword advertisement content providing system by an advertiser, and
• when the keyword advertisement content providing system receives a text string, the keyword advertisement content providing system inquires of a keyword advertisement content DB about an existence of the keyword advertisement content corresponding to the text string and obtains at least one keyword advertisement content, and the keyword advertisement content DB stores a keyword advertisement content of the advertiser corresponding to a keyword registered by the advertiser.

A method for information processing by a content syndication system which participates in a transference of a digital content by using a wired/wireless network, so as to provide a keyword advertisement service based on meta information by using a commercial tag set, the method comprising:

• (A) obtaining request information of at least one commercial tag set information corresponding to at least one digital content information from a preset first system;
• (B) obtaining the commercial tag set information corresponding to the digital content information;
• and
• (C) transmitting the commercial tag set information to a preset second system,
• in which the commercial tag set information is information related to a commercial tag set, and the commercial tag set consists of at least one commercial tag belonging to a category of a tag, and the commercial tag guarantees an existence of at least one keyword advertisement content corresponding to the commercial tag in at least one time point between a generation time point of the commercial tag or a calling time point of a keyword advertisement through a keyword advertisement content providing system by using the commercial tag, and
• the tag includes at least one text string of a product name, a service name, a proper noun, and a keyword registered in the keyword advertisement content providing system by an advertiser, and
• when the keyword advertisement content providing system receives a text string, the keyword advertisement content providing system inquires of a keyword advertisement content DB about an existence of the keyword advertisement content corresponding to the text string and obtains at least one keyword advertisement content, and the keyword advertisement content DB stores a keyword advertisement content of an advertiser corresponding to a keyword registered by the advertiser.

A method for providing a keyword advertisement service based on meta information by an exposed keyword management server comprising an exposed keyword advertisement management server, which manages information of at least one commercial tag set and at last one keyword advertisement content exposed on a user computer, the method comprising:

• performing at least one of exposing at least one commercial tag set and exposing at least one keyword advertisement content on the user computer;
• when the commercial tag set is exposed on the user computer, providing a commercial tag set storage means for storing the commercial tag set exposed on the user computer, and when the keyword advertisement content is exposed on the user computer, providing a keyword advertisement content reservation means for reserving the keyword advertisement content exposed on the user computer and reproducing the reserved keyword advertisement content again upon a request;
• performing at least one of receiving selection information of the commercial tag set storage means from the user computer and storing the commercial tag set corresponding to the received selection information, and receiving selection information of the keyword advertisement content reservation means from the user computer and storing the keyword advertisement content corresponding to the received selection information;
• and
• performing at least one of exposing at least one of at least one stored commercial tag set and at least one keyword advertisement content corresponding to the stored commercial tag set on the user computer, and exposing the reserved keyword advertisement content on the user computer,
• the commercial tag set is generated by a commercial tag set generation system and consists of at least one commercial tag belonging to a category of a tag, and the commercial tag guarantees an existence of at least one keyword advertisement content corresponding to the commercial tag in at least one time point between a generation time point of the commercial tag or a calling time point of a keyword advertisement through a keyword advertisement content providing system by using the commercial tag, and
• the tag includes at least one text string of a product name, a service name, a proper noun, and a keyword registered in the keyword advertisement content providing system by an advertiser,
• the commercial tag set generation system provides at least one of existence of a keyword advertisement content corresponding to the tag and commerciality information of the tag, and
• when the keyword advertisement content providing system receives a text string, the keyword advertisement content providing system inquires of a keyword advertisement content DB about an existence of the keyword advertisement content corresponding to the text string and obtains at least one keyword advertisement content, and the keyword advertisement content DB stores a keyword advertisement content of the advertiser corresponding to a keyword registered by the advertiser.

A method for information processing by a broadcasting service system including a keyword advertisement content, the broadcasting service system providing a user computer with at least one audio broadcasting content or audio-visual broadcasting content through a wired/wireless network, so as to provide a keyword advertisement service based on meta information, the method comprising:

• obtaining at least one commercial tag set corresponding to the broadcasting content, the commercial tag set being generated by the broadcasting service system by using a commercial tag generation system;
• corresponding the obtained commercial tag set to a broadcasting content identifier corresponding to the broadcasting content and storing the commercial tag set and broadcasting content identifier;
• and
• exposing the broadcasting content and at least one keyword advertisement content called through a keyword advertisement content providing system in a direct manner or via a third system by using the commercial tag set on the user computer,
• wherein the commercial tag set is generated by a commercial tag set generation system, and the commercial tag set consists of at least one commercial tag belonging to a category of a tag, and the commercial tag guarantees an existence of at least one keyword advertisement content corresponding to the commercial tag in at least one time point between a generation time point of the commercial tag or a calling time point of a keyword advertisement through the keyword advertisement content providing system by using the commercial tag, and
• the tag includes at least one text string of a product name, a service name, a proper noun, and a keyword registered in the keyword advertisement content providing system by an advertiser, and
• the commercial tag set generation system provides at least one between existence information of a keyword advertisement content corresponding to the commercial tag and commerciality information of the commercial tag,
• when the keyword advertisement content providing system receives a text string, the keyword advertisement content providing system inquires of a keyword advertisement content DB about an existence of the keyword advertisement content corresponding to the text string and obtains at least one keyword advertisement content, and
• the keyword advertisement content DB stores a keyword advertisement content of the advertiser corresponding to a keyword registered by the advertiser.

The method as claimed in 76, wherein, in the first method, when the broadcasting service is a real-time broadcasting, the broadcasting service system obtains the keyword advertisement content by using a commercial tag set corresponding to the time point of receiving the transmission request of the keyword advertisement content from the user computer, and the commercial tag set corresponding to the time point of receiving the transmission request of the keyword advertisement content is a commercial tag set generated just before a time of receiving the transmission request of the keyword advertisement content,

• in the second method, when the broadcasting service is a real-time broadcasting, the commercial tag set is generated before the real-time broadcasting and further includes time zone information used for obtainment of a keyword advertisement content by using the commercial tag set, and the program further has a function capable of selecting a commercial tag set used for obtainment of a keyword advertisement content with reference to information of a current time point of the reproduction of the broadcasting content, and
• in one of the third method and the fourth method, when the broadcasting service is a real-time broadcasting, the broadcasting service system transmits a commercial tag set corresponding to the time point of receiving the transmission request of the commercial tag set from the user computer, to the user computer, and the transmitted commercial tag set is a commercial tag set generated just before a time of receiving the transmission request of the commercial tag set.

A method for information processing by a media service system, which provides multiple user computers accessing through a wired/wireless network with at least one content and at least one online service, so as to provide a keyword advertisement service based on meta information, the method comprising:

• allowing a content manager managing at least one content by using a media service system to use a commercial tag generation system and obtaining at least one commercial tag set corresponding to at least one content managed by the content manager by using the commercial tag generation system from the content manager;
• corresponding the obtained commercial tag set to a content identifier corresponding to the content and storing the commercial tag set;
• obtaining request information of a content managed by the content manager from at least one user computer;
• obtaining the commercial tag set corresponding to a content corresponding to the received request information;
• and
• exposing the content corresponding to the received request information and at least one keyword advertisement content called through a keyword advertisement content providing system in a direct manner or a third system by using the commercial tag set on the user computer, and
• the commercial tag set is generated by a commercial tag set generation system and consists of at least one commercial tag belonging to a category of a tag, and
• the commercial tag guarantees an existence of at least one keyword advertisement content corresponding to the commercial tag in at least one time point between a generation time point of the commercial tag or a calling time point of the keyword advertisement through a keyword advertisement content providing system by using the commercial tag, and
• the tag includes at least one text string of a product name, a service name, a proper noun, and a keyword registered in the keyword advertisement content providing system by an advertiser, and
• the commercial tag set generation system provides at least one between existence information of a keyword advertisement content corresponding to at least one tag and commerciality information of at least one tag, and
• when the keyword advertisement content providing system receives a text string, the keyword advertisement content providing system inquires of a keyword advertisement content DB about an existence of the keyword advertisement content corresponding to the text string and obtains at least one keyword advertisement content, and the keyword advertisement content DB stores a keyword advertisement content of an advertiser corresponding to a keyword registered by the advertiser.

A method for information processing by a digital publication service system, which directly or indirectly provides a user computer with at least one digital publication content through a wired/wireless network, so as to provide a keyword advertisement service based on meta information, the method comprising:

• obtaining at least one commercial tag set corresponding to the digital publication content, the commercial tag set being generated by the digital publication service system using the commercial tag generation system;
• corresponding the obtained commercial tag set to a digital publication content identifier corresponding to the digital publication content and storing the commercial tag set and digital publication content identifier;
• and
• exposing the digital publication content and at least one keyword advertisement content called through a keyword advertisement content providing system in a direct manner or via a third system on the user computer by using the commercial tag set,
• the commercial tag set is generated by a commercial tag set generation system and consists of at least one commercial tag belonging to a category of a tag, and the commercial tag guarantees an existence of at least one keyword advertisement content corresponding to the commercial tag in at least one time point between a generation time point of the commercial tag or a calling time point of the keyword advertisement through a keyword advertisement content providing system by using the commercial tag,
• the tag includes at least one text string of a product name, a service name, a proper noun, and a keyword registered in the keyword advertisement content providing system by an advertiser,
• the commercial tag set generation system provides at least one between existence information of a keyword advertisement content corresponding to at least one tag and commerciality information of at least one tag,
• when the keyword advertisement content providing system receives a text string, the keyword advertisement content providing system inquires of a keyword advertisement content DB about an existence of the keyword advertisement content corresponding to the text string and obtains at least one keyword advertisement content, and the keyword advertisement content DB stores a keyword advertisement content of the advertiser corresponding to a keyword registered by the advertiser

A system for providing a keyword advertisement service based on meta information, comprising:

• a multimedia content ID DB unit including multimedia content identifier information capable of identifying the multimedia content;
• a commercial tag DB unit including commercial tag set identifier information capable of identifying the commercial tag set;
• and
• a content syndication control unit comprising at least one of a commercial tag set obtainment module for obtaining the commercial tag set corresponding to the multimedia content, a commercial tag set binding module for corresponding the obtained commercial tag set to the multimedia content, a commercial tag set providing module for providing a requestor of the commercial tag set with information on the commercial tag set, and a commercial tag set call module for calling a commercial tag set by using the multimedia content identifier information,
• in which at least one commercial tag constituting the commercial tag set is a text type tag transmitted to a keyword advertisement content providing system and used for obtainment of at least one keyword advertisement content from the keyword advertisement content providing system, and
• when the keyword advertisement content providing system receives the commercial tag, the keyword advertisement content providing system inquires of a keyword advertisement content DB about the commercial tag and obtains at least one keyword advertisement content, and the keyword advertisement content DB stores at least one keyword advertisement content corresponding to a text-type commercial tag of at least one advertiser.

A method for providing a keyword advertisement service based on meta information by a content syndication system, which participates in transferring at least one multimedia content to a user computer in a direct manner or via a third system through a wired/wireless network on a network, the method comprising:

• (A) obtaining multimedia content identifier information capable of identifying the multimedia content;
• (B) obtaining at least one of the commercial tag set corresponding to the multimedia content and commercial tag set identifier information capable of identifying the commercial tag set;
• (C) corresponding the multimedia content identifier information to at least one of the commercial tag set and the commercial tag set identifier information and storing;
• (D) obtaining multimedia content identifier information capable of identifying the multimedia content from at least one of the user computer and a third computer;
• and
• (E) obtaining at least one of the commercial tag set and the commercial tag set identifier information corresponding to the multimedia content identifier information stored in the (C) by using the multimedia content identifier information obtained from at least one of the user computer and the third computer in the (D),
• in which at least one commercial tag constituting the commercial tag set is a text type tag transmitted to a keyword advertisement content providing system and used for obtainment of at least one keyword advertisement content from the keyword advertisement content providing system, and
• when the keyword advertisement content providing system receives the commercial tag, the keyword advertisement content providing system inquires of a keyword advertisement content DB about the commercial tag and obtains at least one keyword advertisement content, and the keyword advertisement content DB stores at least one keyword advertisement content corresponding to the text type commercial tag of at least one advertiser.