1263 search results - page 119 / 253 » A Scalable Algorithm for Answering Queries Using Views |
122
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STOC
2002
ACM
16 years 3 months ago
2002
ACM
Given a set S of n points in IRd , a (t, )-approximate Voronoi diagram (AVD) is a partition of space into constant complexity cells, where each cell c is associated with t represe...
149
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CIKM
2008
Springer
15 years 5 months ago
2008
Springer
Real-time materialized view maintenance has become increasingly popular, especially in real-time data warehousing and data streaming environments. Upon updates to base relations, ...
235
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SIGMOD
2006
ACM
16 years 3 months ago
2006
ACM
This paper introduces the Tuple Graph (TuG) synopses, a new class of data summaries that enable accurate selectivity estimates for complex relational queries. The proposed summari...
152
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GG
2004
Springer
15 years 9 months ago
2004
Springer
Abstract. In the context of graph transformation we look at the operation of switching, which can be viewed as an elegant method for realizing global transformations of (group-labe...
163
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GIS
2010
ACM
15 years 1 months ago
2010
ACM
Social networking applications have become very important web services that provide Internet-based platforms for their users to interact with their friends. With the advances in t...