627 search results - page 100 / 126 » Efficient Top-k Query Evaluation on Probabilistic Data |
137
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IJOCI
2010
15 years 3 months ago
2010
We present a time-efficient approach to index objects moving on the plane to efficiently answer range queries about their future positions. Each object is moving with non small ve...
161
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DKE
2002
15 years 6 months ago
2002
An important issue in data warehouse development is the selection of a set of views to materialize in order to accelerate OLAP queries, given certain space and maintenance time co...
176
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PERCOM
2007
ACM
16 years 5 months ago
2007
ACM
Caching is an important technique to support pervasive Internet access. Cache consistency measures the deviation between the cached data and the source data. In mobile computing e...
262
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Graphs are widely used to model real world objects and their relationships, and large graph datasets are common in many application domains. To understand the underlying character...
181
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VLDB
2001
ACM
15 years 10 months ago
2001
ACM
“Peer-to-peer” systems like Napster and Gnutella have recently become popular for sharing information. In this paper, we study the relevant issues and tradeoffs in designing a...