US5920859 Patents
A Search engine for retrieving documents pertinent to a query indexes documents in accordance with hyperlinks pointing to those documents. The indexer traverses the hypertext database and finds hypertext information includ ing the address of the document the hyperlinkS point to and the anchor text of each hyperlink. The information is stored in an inverted indeX file, which may also be used to calculate document link vectors for each hyperlink pointing to a particular document. When a query is entered, the Search engine finds all document vectors for documents having the query terms in their a
23 claims. 45,517 characters of text.