793 search results - page 92 / 159 » Optimizing Multiple Queries in Distributed Data Stream Syste... |
VLDB
2007
ACM
14 years 3 months 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...
KDD
2009
ACM
14 years 9 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...
SIGMOD
2010
ACM
13 years 7 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...
ICDE
2005
IEEE
14 years 2 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...
ICNP
2006
IEEE
14 years 3 months 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 ...