Top-k Context-Aware Queries on Streams


Preference queries have been largely studied for relational systems but few proposals exist for stream data systems. Most of the existing proposals concern the skyline, top-k or top-k dominating queries, coupled with the sliding-window operator. However, user preferences queries on data streams may be more sophisticated than simple skyline or top-k and may… (More)
DOI: 10.1007/978-3-642-32600-4_29


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