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222
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EDBT
2009
ACM
15 years 10 months ago
2009
ACM
Range queries for querying the current and future positions of the moving objects have received growing interests in the research community. Existing methods, however, assume that...
192
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EDBT
2008
ACM
15 years 8 months ago
2008
ACM
In P2P systems where query initiators and information providers do not necessarily share the same ontology, semantic interoperability generally relies on ontology matching or sche...
152
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DEXAW
2010
IEEE
15 years 8 months ago
2010
IEEE
Given a set of keywords, we find a maximum Web query (containing the most keywords possible) that respects userdefined bounds on the number of returned hits. We assume a real-world...
222
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VLDB
2011
ACM
15 years 1 months ago
2011
ACM
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...
190
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ICDE
2011
IEEE
14 years 10 months ago
2011
IEEE
—An important facility to aid keyword search on XML data is suggesting alternative queries when user queries contain typographical errors. Query suggestion thus can improve users...