Patent ID: 7225221

Claim:
An information retrieving system for retrieving design/manufacturing information of a variety of file formats registered in a plurality of web servers, by using an index server, said information retrieving system comprising: a transmitting unit that transmits the abstract and storage location information of the design/manufacturing information registered in said web servers, to the index server during an idle time of the web servers; an automatic registering unit that automatically registers the abstract and storage location information transmitted from said web servers by said transmitting unit, into said index server, wherein said transmitting unit is a register processing agent that includes an abstract generating unit for generating an abstract from a text sentence of the design/manufacturing information and transmits the abstract and storage location information of the design/manufacturing information; and the index server, comprising: a registration accept processing agent to carry out a registration acceptance processing, wherein the registration accept processing agent has an overview index register that stores information relating to a registered document into a repository during an idle time; an ontological restructuring unit to restructure a consistency of an ontology of a hierarchical structure; and an accept signal generator to post to a web server of the plurality of web servers a fact that information has been registered into the index server.