995 search results - page 101 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
162
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ICDE
2012
IEEE
13 years 5 months ago
2012
IEEE
—Many companies now routinely run massive data analysis jobs – expressed in some scripting language – on large clusters of low-end servers. Many analysis scripts are complex ...
123
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CAISE
2005
Springer
15 years 8 months ago
2005
Springer
Abstract. Recently, the database and AI research communities have paid increased attention to ontologies. The main motivating reason is that ontologies promise solutions for comple...
240
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ICDE
2001
IEEE
16 years 4 months ago
2001
IEEE
Semi-join reducers were introduced in the late seventies as a means to reduce the communication costs of distributed database systems. Subsequent work in the eighties showed, howe...
125
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SIGMOD
1998
ACM
15 years 7 months ago
1998
ACM
For an increasing number of modern database applications, efficient support of similarity search becomes an important task. Along with the complexity of the objects such as images...
114
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CIKM
2009
Springer
15 years 9 months ago
2009
Springer
We introduce a new theoretical derivation, evaluation methods, and extensive empirical analysis for an automatic query expansion framework in which model estimation is cast as a r...