Meaning-based advertising and document relevance determination
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United States of America Patent
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Nov 9, 2004
Issued Date -
N/A
app pub date -
Jan 28, 2000
filing date -
Nov 1, 1999
priority date (Note) -
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Abstract
The present invention is directed to a system in which a semantic space is searched in order to determine the semantic distance between two locations. A further aspect of the present invention provides a system in which a portion of semantic space is purchased and associated with a target data set element which is returned in response to a search input. The semantic space is created by a lexicon of concepts and relations between concepts. An input is associated with a location in the semantic space. Similarly, each data element in the target data set being searched is associated with a location in the semantic space. Searching is accomplished by determining a semantic distance between the first and second location in semantic space, wherein this distance represents their closeness in meaning and where the cost for retrieval of target data elements is based on this distance.
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