6846 search results - page 261 / 1370 » Querying a summary of database |
177
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PODS
2010
ACM
15 years 11 months ago
2010
ACM
We investigate a higher-order query language that embeds operators of the positive relational algebra within the simply-typed λ-calculus. Our language allows one to succinctly de...
205
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ICDE
2006
IEEE
16 years 19 days ago
2006
IEEE
Continuous spatio-temporal queries have recently received increasing attention due to the abundance of location-aware applications. This paper addresses the Continuous Reverse Nea...
179
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DASFAA
2005
IEEE
16 years 6 days ago
2005
IEEE
: Semi-structured data has become more and more attention-getting with the emergence of XML, and it has aroused much enthusiasm for integrating XML and SQL in database community. D...
185
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DIS
2006
Springer
15 years 10 months ago
2006
Springer
The purpose of this paper is two-fold: First, we give efficient algorithms for answering itemset support queries for collections of itemsets from various representations of the fre...
176
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VL
1999
IEEE
15 years 11 months ago
1999
IEEE
In this paper we propose a visual interface for the specification of predicates to be used in queries on spatio-temporal databases. The approach is based on a visual specification...