3225 search results - page 243 / 645 » Query Optimization by Stored Queries |
203
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JACM
2008
15 years 6 months ago
2008
XML queries are usually expressed by means of XPath expressions identifying portions of the selected documents. An XPath expression defines a way of navigating an XML tree and ret...
150
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DEXA
2005
Springer
15 years 11 months ago
2005
Springer
Abstract. Non-trivial retrieval applications involve complex computations on large multi-dimensional datasets. These should, in principle, benefit from the use of relational datab...
172
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DBPL
1991
Springer
15 years 9 months ago
1991
Springer
We propose a programming paradigm that tries to get close to both the semantic simplicity of relational algebra, and the expressive power of unrestricted programming languages. It...
182
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TPDS
2008
15 years 6 months ago
2008
Energy efficiency is one of the most critical issues in the design of wireless sensor networks. Observing that many sensor applications for object tracking can tolerate a certain d...
189
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ICDE
2012
IEEE
13 years 8 months ago
2012
IEEE
— In this paper, we focus on efficient keyword query processing for XML data based on SLCA and ELCA semantics. We propose for each keyword a novel form of inverted list, which i...