Music recommendation method with respect to message service

A computer-readable storage medium storing a program for implementing a music recommendation method with respect to a message inputted by a user, for transmitting via a message service in a personal communication terminal, the method comprising:

• selecting music files according to a theme of the message, a theme of a music, and a mood of the music,
• determining whether the number of selected music files is greater than a predetermined number, and, if the number of selected music files is greater than the predetermined number, then further selecting music files from the selected music files according to a similarity between content of the message and content of the music;
• and
• recommending the selected music files to the user,
• wherein the selecting of the music files includes selecting target music files;
• wherein the selecting of the target music files selects either a music file which is stored in a personal mobile terminal, or is downloadable via an Internet connection;
• wherein the content of the music is a title and lyrics of the music;
• wherein the title and the lyrics of the music are classified according to the theme using a feature selected from feature candidates using a mutual information scale, an information acquisition quantity or Chi-square statistic;
• and
• wherein the music is classified according to the theme using a result of the classification of the lyrics and a result of the classification of the title.

A music recommendation system with respect to a message inputted by a user, for transmitting via a message service in a personal communication terminal, the system comprising:

• a music file selection unit to select music files according to a theme of the message, a theme of a music, and a mood of the music,
• determining whether the number of selected music files is greater than a predetermined number, and, if the number of selected music files is greater than a predetermined number, then further selecting music files from the previously selected music files according to a similarity between content of the message, and content of the music;
• and
• a recommendation unit to recommend the selected music files to the user,
• wherein the music file selection unit includes a selection unit to select target music files, classify the target music files and the message according to a theme, and select, from among the target music files, a music file which corresponds to the theme of the message according to a result of the theme classification,
• wherein the selection unit comprises:
• a target music selection unit to select a music file which is stored either in a user terminal, or is downloadable via an Internet connection as the target music files;
• and
• a theme based music selection unit to classify the target music files and the message according to a theme, and to select, from among the target music files, a plurality of music files according to the classified theme,
• wherein the content of the music is a title and lyrics of the music,
• wherein the title and the lyrics of the music are classified according to the theme using a feature selected from feature candidates using a mutual information scale, an information acquisition quantity or Chi-square statistic, and
• wherein the music is classified according to the theme using a result of the classification of the lyrics and a result of the classification of the title.