793 search results - page 92 / 159 » Optimizing Multiple Queries in Distributed Data Stream Syste... |
189
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VLDB
2007
ACM
16 years 8 days ago
2007
ACM
This paper describes Continuous Queries (CQ) in Oracle RDBMS, a feature that incorporates stream and complex event processing into an RDBMS, the first such attempt in commercial d...
160
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KDD
2009
ACM
16 years 6 months ago
2009
ACM
Topic models provide a powerful tool for analyzing large text collections by representing high dimensional data in a low dimensional subspace. Fitting a topic model given a set of...
194
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SIGMOD
2010
ACM
15 years 4 months ago
2010
ACM
Given a graph database D and a query graph g, an exact subgraph matching query asks for the set S of graphs in D that contain g as a subgraph. This type of queries find important...
185
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ICDE
2005
IEEE
15 years 11 months ago
2005
IEEE
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...
199
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ICNP
2006
IEEE
16 years 5 days ago
2006
IEEE
— Peer-to-peer (P2P) systems have been widely used for exchange of voluminous information and resources among thousands or even millions of users. Since shared data are normally ...