JP2008305352A5 - - Google Patents

Claims (3)

A file server group having a database in which electronic documents to be searched are stored;
A group of client PCs for inputting new creation, deletion, and partial change of the electronic document, and for inputting an index of the search target document;
Checking the electronic documents of the file server group to create an index for the wording contained in the electronic document, and an indexer PC group having an index database for storing the created index;
A search PC for storing an index created by the indexer PC group,
Each of the file server group, the client PC group, the indexer PC group, and the search PC includes a communication path connected via a switching hub,
In a full-text search system that extracts an index corresponding to the search target index from the search PC based on a search target index input from an arbitrary client PC, and outputs the index to the client PC.
A capture PC is provided for extracting and storing update candidate information related to new creation, deletion, and partial change of the electronic document from information accessed from the client PC group to the file server group. ,
The indexer PC group scans the entire file server group only when the index is first created,
Updates associated with new creation, partial change and deletion of the index are performed by checking the file server group based on the update candidate information stored in the capture PC, and creating, deleting, or partially A full-text search system that extracts update execution information in which a change has actually been performed and updates the index based on the update execution information ,
The update candidate information is obtained from the communication path, and is a full-text search system. The capture PC acquires information accessed from the client PC group to the file server group via a tap installed in the communication path, and extracts the update candidate information; and
A packet log for storing the update candidate information;
The full-text search system according to claim 1, further comprising a control file for the discrimination module. 2. The index includes update information such as creation of an access right to the electronic document to be searched and new creation, deletion, and partial change of the access right. Full-text search system .