发明名称 Incremental filtering in a persistent query system
摘要 A system and method track changes to a document and analyze the changes to the document against a set of predefined queries without re-analyzing the entire document. Hence, after a document has been processed in the system (i.e., had its terms matched against the set of predefined queries), only a small subset of the document needs to be reprocessed and analyzed after changes (i.e., edits) are made. The analysis of the small subset is accomplished by maintaining an incremental-results data set for each document. The incremental-results data set is much smaller than the actual document, only comprising a set of unique words found in a document. After a document is changed, only the words deleted or added to the changed portion are used to update the incremental-results data set.
申请公布号 US6505190(B1) 申请公布日期 2003.01.07
申请号 US20000606431 申请日期 2000.06.28
申请人 MICROSOFT CORPORATION 发明人 HAREL DOV;HELMAN YAIR;BARASH URI
分类号 G06F17/30;(IPC1-7):G06F17/30 主分类号 G06F17/30
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