Document information processing method, document information processing apparatus, communication system and memory product

A document information processing apparatus for processing document information containing character information, comprising:

• a first generating unit for generating intermediate information containing same character information as in the document information, based on the document information;
• an extracting unit for extracting word information representing words from the character information contained in the document information or in the generated intermediate information;
• and
• a second generating unit for generating summary information by adding the extracted word information to the intermediate information.

A document information processing apparatus for processing document information containing character information, comprising:

• a fourth generating unit for generating image information by irreversibly compressing the document information;
• an extracting unit for extracting word information representing words from the character information contained in the document information;
• and
• a fifth generating unit for generating summary information by adding the extracted word information to the generated image information.

A computer readable memory product storing a computer program for causing a computer to process document information containing character information,

• wherein said memory product stores a computer program comprising the steps of:
• causing the computer to generate intermediate information containing same character information as in the document information, based on the document information;
• causing the computer to extract word information representing words from the document information or the intermediate information;
• and
• causing the computer to generate summary information by adding the extracted word information to the intermediate information.