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Method of searching documents and a service for searching documents

  • US 6,584,460 B1
  • Filed: 11/18/1999
  • Issued: 06/24/2003
  • Est. Priority Date: 11/19/1998
  • Status: Expired due to Term
First Claim
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1. A document search method having a function to change over between plural document databases, and a function to search a set of documents having a high relevance to a search input from a selected one of said plural document databases in the order of higher relevance, this input being a set of keywords, fragments of a document or any desired set of documents, wherein the search results from said selected document database are used as an input for searching another of said plural document databases.

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