Searching documents for ranges of numeric values
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United States of America Patent
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Feb 18, 2014
Grant Date -
Apr 19, 2012
app pub date -
Dec 22, 2011
filing date -
Sep 24, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
Provided are a method, system, and article of manufacture for searching documents for ranges of numeric values. Document identifiers for documents are accessed, wherein the documents include at least one value that is a member of a set of values. A number of posting lists are generated. Each posting list is associated with a range of consecutive values within the set of values and includes document identifiers for documents including at least one value within the range of consecutive values associated with the posting list, and wherein each document identifier is associated with one value in the set of values included in the document identified by the document identifier. The generated posting lists are stored, wherein the posting lists are used to process a query on a range of values within the set of values.
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