2514 search results - page 305 / 503 » On the Computation of Approximations of Database Queries |
306
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
The vast majority of work on skyline queries considers totally ordered domains, whereas in many applications some attributes are partially ordered, as for instance, domains of set ...
310
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ICDE
2005
IEEE
16 years 8 months ago
2005
IEEE
A reverse nearest neighbor (RNN) query returns the data objects that have a query point as their nearest neighbor (NN). Although such queries have been studied quite extensively in...
299
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
The Web as a global information space is developing from a Web of documents to a Web of data. This development opens new ways for addressing complex information needs. Search is n...
180
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ICDT
2007
ACM
16 years 28 days ago
2007
ACM
Abstract. We define and study formal privacy guarantees for information integration systems, where sources are related to a public schema by mappings given by source-to-target dep...
182
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VLDB
2007
ACM
16 years 26 days ago
2007
ACM
Imagine that you have been entrusted with private data, such as corporate product information, sensitive government information, or symptom and treatment information about hospita...