Patent ID: 7277881

Claim:
A document search system capable comprising: an associate server which is capable of instructing a document search by specifying a document database j to be searched next among a plurality of document databases based on a search result of a document previous search of a document database i; an associative search recording table recording the number of times x ij of searching said document database j based on the search results generated from the previous searches of said document database i; means for sending a search result of said specified document database to a client; and means for changing a showing order of document databases to be searched by using data from said associate search recording table. wherein a different associate search recording table is stored for each user, and by using said different associate search recording table for each user, a showing order of document databases to be searched is changed according to said user, wherein i denotes a first document database, wherein i denotes a second document database, and wherein x ij denotes a number of times of searching said document database j based on the search results generated from the previous searches of said document database i.