Data Mining: Concepts and Techniques (2nd edition)
نویسندگان
چکیده
There have been extensive studies on stream data management and the processing of continuous queries in stream data. For a description of synopsis data structures for stream data, see Gibbons and Matias [GM98]. Vitter introduced the notion of reservoir sampling as a way to select an unbiased random sample of n elements without replacement from a larger ordered set of size N , where N is unknown [Vit85]. Stream query or aggregate processing methods have been proposed by Chandrasekaran and Franklin [CF02], Gehrke, Korn, and Srivastava [GKS01], Dobra, Garofalakis, Gehrke, and Rastogi [DGGR02], and Madden, Shah, Hellerstein, and Raman [MSHR02]. A one-pass summary method for processing approximate aggregate queries using wavelets was proposed by Gilbert, Kotidis, Muthukrishnan, and Strauss [GKMS01]. Statstream, a statistical method for the monitoring of thousands of data streams in real time, was developed by Zhu and Shasha [ZS02, SZ04].
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