Patent ID: 7428527

Claim:
A data search system comprising a data center for gathering data from a plurality of biological information databases and for distributing data and a user's facility for receiving the data distributed from the data center to use the data for a data search, the data center including at least one computer which comprises: means for downloading data from a plurality of biological information databases; means for generating link information which shows how the plurality of biological information databases are associated by extracting information on how a data entry in a database associates with another data entry in another database from the downloaded data; means for generating detailed information by extracting an ID of a data entry and an explanation of the data entry from each data entry, in the downloaded data; means for generating data for homology search by extracting the ID and sequence data of the data entry from said each data entry, in the downloaded data; a route table in which information of permitted routes among the biological information databases is stored; means for distributing to the user's facility the link information, the detailed information of said each data entry, the data for homology search, and the route table, and the user's facility including at least one computer which comprises: means for conducting the data search using the link information, the detailed information of said each data entry, the data for homology search, and the route table distributed from the data center, wherein the route table stores a data search rule which restricts searches routes for each database of the plurality of biolociical information databases, and wherein the means for conducting the data search in the user's facility conducts the data search by following only the permitted routes which are defined in the route table and among search routes indicated by the link information.