995 search results - page 154 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
122
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SIGMOD
2003
ACM
16 years 2 months ago
2003
ACM
While the XML Stylesheet Language for Transformations (XSLT) was not designed as a query language, it is well-suited for many query-like operations on XML documents including sele...
117
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SIGMOD
1999
ACM
15 years 6 months ago
1999
ACM
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...
142
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PVLDB
2010
15 years 8 days ago
2010
Recently, there has been increasing interest in extending relational query processing to include data obtained from unstructured sources. A common approach is to use stand-alone I...
132
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ER
2004
Springer
15 years 7 months ago
2004
Springer
Abstract. Past research work on modeling and managing temporal information has, so far, failed to elicit support in commercial database systems. The increasing popularity of XML oï...
190
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SIGMOD
2008
ACM
16 years 2 months ago
2008
ACM
Pattern matching over event streams is increasingly being employed in many areas including financial services, RFIDbased inventory management, click stream analysis, and electroni...