148 search results - page 16 / 30 » Query Selectivity Estimation for Uncertain Data |
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
Abstract. We consider a collaboration of peers autonomously crawling the Web. A pivotal issue when designing a peer-to-peer (P2P) Web search engine in this environment is query rou...
ISORC
2007
IEEE
14 years 1 months ago
2007
IEEE
Many emerging applications operate on continuous unbounded data streams and need real-time data services. Providing deadline guarantees for queries over dynamic data streams is a ...
PPDP
2010
Springer
13 years 5 months ago
2010
Springer
Database query optimizers rely on data statistics in selecting query execution plans. Similar query optimization techniques are desirable for deductive databases and, to make this...
BTW
2007
Springer
14 years 1 months ago
2007
Springer
Abstract: Peer data management systems (PDMS) are a highly dynamic, decentralized infrastructure for large-scale data integration. They consist of a dynamic set of autonomous peers...
PODS
2008
ACM
14 years 7 months ago
2008
ACM
We study complexity and approximation of queries in an expressive query language for probabilistic databases. The language studied supports the compositional use of confidence com...