| 摘要 |
<P>PROBLEM TO BE SOLVED: To efficiently and smoothly search for desired service information without dividing a continuous character string in appropriate division of character information. Ž<P>SOLUTION: This device 10 specifies one-character information composed of one character when appropriately dividing the character information, and decides a position in the character information. Next, the one-character information is connected to subsequent character information to form a compound word when it is located at the beginning of the character information, and the one-character information is connected to previous character information to form a compound word when it is located in the middle of the character information. The character information formed as the compound word and the character information including two or more characters are predetermined as a character string for an index. The service information including the character string is predetermined. Retrieval position specification information for specifying a location of the service information is predetermined. A service retrieval information storage part F2 is created for storing them in association with each other. When receiving input of the character string for retrieving the service information, the service information is retrieved in reference to the service retrieval information storage part. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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