2724 search results - page 472 / 545 » Optimizing Queries on Files |
126
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ICDE
2009
IEEE
15 years 10 months ago
2009
IEEE
— We present SMART, a self-tuning, bandwidth-aware monitoring system that maximizes result precision of continuous aggregate queries over dynamic data streams. While prior approa...
141
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EDBT
2009
ACM
15 years 10 months ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
156
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ICCS
2009
Springer
15 years 9 months ago
2009
Springer
Abstract. In knowledge bases, the open world assumption and the ability to express variables may lead to an answer redundancy problem. This problem occurs when the returned answers...
115
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INFOCOM
2006
IEEE
15 years 9 months ago
2006
IEEE
— While structured P2P systems (such as DHTs) are often regarded as an improvement over unstructured P2P systems (such as super-peer networks) in terms of routing efficiency, it...
142
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DOCENG
2006
ACM
15 years 9 months ago
2006
ACM
XPath is the standard declarative language for navigating XML data and returning a set of matching nodes. In the context of XSLT/XQuery analysis, query optimization, and XML type ...