712 search results - page 6 / 143 » Decoupled Query Optimization for Federated Database Systems |
CIDR
2007
14 years 11 months ago
2007
We present a “black-box” approach to estimating query cardinality that has no knowledge of query execution plans and data distribution, yet provides accurate estimates. It doe...
SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
Many web queries seek information about named entities (such as products or people). Web search engines federate such entity-oriented queries to relevant structured databases; the...
ICDT
2005
ACM
15 years 3 months ago
2005
ACM
We present a formal analysis of the database layout problem, i.e., the problem of determining how database objects such as tables and indexes are assigned to disk drives. Optimizin...
LREC
2008
14 years 11 months ago
2008
In this paper we address the issue of developing an interoperable infrastructure for language resources and technologies. In our approach, called UFRA, we extend the Federate Data...
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ECCB
2005
IEEE
15 years 3 months ago
2005
IEEE
Many areas of modern biology are concerned with the management, storage, visualization, comparison, and analysis of networks. For instance, networks are used to model signal trans...