Through network die information guide directory construction manner and record media null Internet which records the device and the network die information guide

摘要

PROBLEM TO BE SOLVED: To provide a method and device for constructing a network type information guidance directory for reducing the load of the genre retrieval of a user by moving genres without the vertical retrieval of hierarchies by adding a directly connected links with a genre whose cooccurrence is high to a tree structure, and a recording medium for recording a network type information guidance directory structure program. ;SOLUTION: Cooccurrence being the sum of the number of cooccurrence relation among genre is calculated from a genre requesting time information 11, reading device identification symbol 12, and genre retrieval request information 13 included in log information 10 in which access performed to an HTTP server for operating a directory service is recorded by an each reading device identification symbol genre retrieving request information extracting and storing device 14, each reading device identification symbol genre retrieval cooccurrence use calculating device 15, and genre retrieval whole cooccurrence information totaling device 16. Then, the genre with high cooccurrence is extracted from the calculated cooccurrence, and a link is added to the extracted genre with high cooccurrence.;COPYRIGHT: (C)2000,JPO