1180 search results - page 163 / 236 » A Logical Data Model for Integrated Geographical Databases |
233
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SIGMOD
2009
ACM
16 years 4 months ago
2009
ACM
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
145
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WWW
2006
ACM
16 years 5 months ago
2006
ACM
There are principal differences between the relational model and XML's tree model. This causes problems in all cases where information from these two worlds has to be brought...
181
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SIGMOD
2010
ACM
14 years 11 months ago
2010
ACM
In-memory tree structured index search is a fundamental database operation. Modern processors provide tremendous computing power by integrating multiple cores, each with wide vect...
127
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ICDE
1993
IEEE
15 years 8 months ago
1993
IEEE
Emerging database application domains demand not only new functionality but also high performance. To satisfy these two requirements, the Volcano project provides efficient, exten...
153
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IJCAI
2003
15 years 5 months ago
2003
We present a description of three different algorithms that use background knowledge to improve text classifiers. One uses the background knowledge as an index into the set of tra...