2228 search results - page 175 / 446 » A System for Semantic Query Optimization |
215
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SIGMOD
2009
ACM
16 years 3 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
147
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SBACPAD
2004
IEEE
15 years 4 months ago
2004
IEEE
Modern servers access large volumes of data while running commercial workloads. The data is typically spread among several storage devices (e.g. disks). Carefully placing the data...
139
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CIKM
2004
Springer
15 years 8 months ago
2004
Springer
Document-centric XML collections contain text-rich documents, marked up with XML tags that add lightweight semantics to the text. Querying such collections calls for a hybrid quer...
102
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WWW
2005
ACM
16 years 3 months ago
2005
ACM
Organizing large document collections for finding information easily and quickly has always been an important user requirement. This paper describes a flexible and powerful dynami...
100
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WWW
2009
ACM
16 years 3 months ago
2009
ACM
In this paper, we present a framework for online discovery of semantic links from relational data. Our framework is based on declarative specification of the linkage requirements ...