1611 search results - page 40 / 323 » Queries Independent of Updates |
KDD
1995
ACM
15 years 1 months ago
1995
ACM
For semantic query optimization one needs detailed knowledgeabout the contents of the database. Traditional techniquesuse static knowledgeabout all possible states of the database...
167
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ICDT
2009
ACM
15 years 10 months ago
2009
ACM
We study the problem of incrementally maintaining an XPath query on an XML database under updates. The updates we consider are node insertion, node deletion, and node relabeling. ...
JUCS
2006
14 years 9 months ago
2006
: CQL, Continuous Query Language is suitable for data stream queries. Sometimes it is better if the queries operate on relational databases and data streams simultaneously. The exe...
EDBT
2009
ACM
15 years 1 months ago
2009
ACM
Client/server information systems use caching techniques to reduce the volume of transmitted data as well as response time and, especially in the case of systems with mobile clien...
156
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
We consider systems for data sharing among heterogeneous peers related by a network of schema mappings. Each peer has a locally controlled and edited database instance, but wants ...