1500 search results - page 252 / 300 » Query Optimization in Database Grid |
221
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VLDB
2007
ACM
16 years 2 months ago
2007
ACM
We propose XRPC, a minimal XQuery extension that enables distributed yet efficient querying of heterogeneous XQuery data sources. XRPC enhances the existing concept of XQuery func...
118
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ER
2004
Springer
15 years 7 months ago
2004
Springer
Abstract. Web services are deemed as the natural choice for deploying e-government applications. Their use enables e-government to fully get advantage of the envisioned Semantic We...
131
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SIGMOD
2003
ACM
16 years 2 months ago
2003
ACM
One of the critical deficiencies of SQL is lack of support for ndimensional array-based computations which are frequent in OLAP environments. Relational OLAP (ROLAP) applications ...
122
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DASFAA
2007
IEEE
15 years 8 months ago
2007
IEEE
Finding all the occurrences of a twig pattern on multiple elements in an XML document is a core operation for efficient evaluation of XML queries. Holistic twig join algorithms, Tw...
136
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BTW
2009
Springer
15 years 5 months ago
2009
Springer
: Very recently, Cao et al. presented the MAPLE approach, which accelerates queries with multiple instances of the same relation by sharing their scan operator. The principal idea ...