995 search results - page 88 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
108
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VLDB
2001
ACM
15 years 7 months ago
2001
ACM
This paper investigates the problem of incremental joins of multiple ranked data sets when the join condition is a list of arbitrary user-defined predicates on the input tuples. ...
120
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IDEAS
2008
IEEE
15 years 9 months ago
2008
IEEE
1 We propose a new framework for the summarization of XML document properties called EXsum (Element-wise XML summarization), which can capture statistical information of all import...
140
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ICDE
2012
IEEE
13 years 5 months ago
2012
IEEE
Abstract—This paper revisits the classical problem of multiquery optimization in the context of RDF/SPARQL. We show that the techniques developed for relational and semi-structur...
154
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ICDE
2006
IEEE
15 years 9 months ago
2006
IEEE
Continuous spatio-temporal queries have recently received increasing attention due to the abundance of location-aware applications. This paper addresses the Continuous Reverse Nea...
162
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WWW
2010
ACM
15 years 10 months ago
2010
ACM
The Semantic Web community, until now, has used traditional database systems for the storage and querying of RDF data. The SPARQL query language also closely follows SQL syntax. A...