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Keywords: Incremental update
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Journal Articles
International Journal of Web Information Systems (2013) 9 (2): 142–164.
Published: 14 June 2013
... incremental update approach has two problems: some kinds of statistics are inaccurate, and it takes a long time to update indices. Therefore, two methods are proposed: one to approximate term weights accurately with a small number of documents, even for dynamically changing statistics; and the other...

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