2867 search results - page 165 / 574 » Effectiveness of Index Expressions |
161
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SIGMOD
2002
ACM
16 years 6 months ago
2002
ACM
Recently several important relational database tasks such as index selection, histogram tuning, approximate query processing, and statistics selection have recognized the importan...
118
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DASFAA
2007
IEEE
16 years 23 days ago
2007
IEEE
Abstract. Researchers have modified existing index structures into ones optimized for CPU cache performance in main memory database environments. A Cache Sensitive B+-Tree is one o...
152
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GIR
2006
ACM
16 years 11 days ago
2006
ACM
A key problem that arises when unstructured text is being queried is that of properly recognizing and exploiting geographical terms and entities. Here we describe a mechanism for ...
152
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GIR
2006
ACM
16 years 11 days ago
2006
ACM
In this paper, we introduce a geographic similarity operator that computes the relatedness between two geographic places and describe how it is combined with textual ranking. The ...
142
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LAWEB
2005
IEEE
16 years 33 min ago
2005
IEEE
With the technology advance and the growth of Internet, the information that can be found in this net, as well as the number of users that access to look for specific data is big...