System and method for finding information in a distributed information system using query learning and meta search
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United States of America Patent
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Jul 9, 2002
Grant Date -
N/A
app pub date -
Jul 24, 1998
filing date -
Apr 10, 1996
priority date (Note) -
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Abstract
An information retrieval system finds information in a Distributed Information System (DIS), e.g. the Internet using query learning and meta search for adding documents to resource directories contained in the DIS. A selection means generates training data characterized as positive and negative examples of a particular class of data residing in the DIS. A learning means generates from the training data at least one query that can be submitted to any one of a plurality of search engines for searching the DIS to find 'new' items of the particular class. An evaluation means determines and verifies that the new item(s) is a new subset of the particular class and adds or updates the particular class in the resource directory.
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