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Skyline computation has many applications including multi-criteria decision making. In this paper, we study the problem of efficient processing of continuous skyline queries over sliding windows on uncertain data elements regarding given probability thresholds. We first characterize what kind of elements we need to keep in our query computation. Then we show the size of dynamically maintained candidate...
Meta-search is a search engine that sends users' requests to several other search engines and/or databases and returns the results from each one. Concepts are defined in a semantic network that contains links to the original terms. This article provides a framework of three layers, meta-search layer, concept layer, concept clustering and sorting layer to guide user to refine the query terms. The first...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.