565 search results - page 26 / 113 » Multiple Range Query Optimization in Spatial Databases |
DASFAA
2008
IEEE
15 years 4 months ago
2008
IEEE
Similarity search in complex databases is of utmost interest in a wide range of application domains. Often, complex objects are described by several representations. The combinatio...
EDBT
2004
ACM
15 years 9 months ago
2004
ACM
Due to the large difference between seek time and transfer time in current disk technology, it is advantageous to perform large I/O using a single sequential access rather than mu...
ADC
2003
Springer
15 years 2 months ago
2003
Springer
Selectivity estimation of queries not only provides useful information to the query processing optimization but also may give users a preview of processing results. In this paper,...
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SIGMOD
2008
ACM
15 years 9 months ago
2008
ACM
Today's query processing engines do not take advantage of the multiple occurrences of a relation in a query to improve performance. Instead, each instance is treated as a dis...
JUCS
2008
14 years 9 months ago
2008
: Over the last decade, due to the rapid developments in information technology (IT), a new breed of information systems has appeared such as geographic information systems that in...