1967 search results - page 279 / 394 » The Case for Determinism in Database Systems |
258
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Abstract-- We introduce the novel notion of explanationbased diversification to address the well-known problem of overspecialization in item recommendations. Over-specialization in...
303
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Due to its considerable ease of use, relational keyword search (R-KWS) has become increasingly popular. Its simplicity, however, comes at the cost of intensive query processing. Sp...
265
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VLDB
2001
ACM
16 years 6 months ago
2001
ACM
Abstract In this paper we present a mechanism for approximately translating Boolean query constraints across heterogeneous information sources. Achieving the best translation is ch...
203
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
We consider the problem of approximating sliding window joins over data streams in a data stream processing system with limited resources. In our model, we deal with resource cons...
175
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EDBT
2002
ACM
16 years 6 months ago
2002
ACM
The problem of finding contained rewritings of queries using views is of great importance in mediated data integration systems. In this paper, we first present a general approach f...