735 search results - page 34 / 147 » Evaluating Probabilistic Queries over Imprecise Data |
103
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VLDB
2005
ACM
15 years 7 months ago
2005
ACM
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
142
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CIKM
2010
Springer
15 years 9 days ago
2010
Springer
Recently, several research efforts have addressed answering skyline queries efficiently over large datasets. However, this research lacks methods to compute these queries over un...
117
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TKDE
2008
15 years 1 months ago
2008
With the advance of hardware and communication technologies, stream time series is gaining ever-increasing attention due to its importance in many applications such as financial da...
117
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CIKM
2010
Springer
14 years 11 months ago
2010
Springer
This paper proposes a ranking method to exploit statistical correlations among pairs of attribute values in relational databases. For a given query, the correlations of the query ...
122
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NBIS
2007
Springer
15 years 7 months ago
2007
Springer
Range queries, retrieving all keys within a given range, is an important add-on for Distributed Hash Tables (DHTs), as they rely only on exact key matching lookup. In this paper we...