716 search results - page 47 / 144 » Optimizing Queries in Extended Relational Databases |
GIS
2010
ACM
14 years 9 months ago
2010
ACM
This paper proposes an efficient, decentralized algorithm for determining the topological relationship between two regions monitored by a geosensor network. Many centralized algo...
161
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SIGMOD
2007
ACM
15 years 11 months ago
2007
ACM
Commercial enterprise data warehouses are typically implemented on parallel databases due to the inherent scalability and performance limitation of a serial architecture. Queries ...
ER
2004
Springer
15 years 4 months ago
2004
Springer
In this paper we present a model of functional access to data that, we argue, is suitable for modeling a class of data repositories characterized by functional access, such as web ...
187
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ICDE
2000
IEEE
16 years 17 days ago
2000
IEEE
In information-integration systems, sources may have diverse and limited query capabilities. In this paper we show that because sources have restrictions on retrieving their infor...
PODS
2005
ACM
15 years 11 months ago
2005
ACM
Program analysis has been increasingly used in software engineering tasks such as auditing programs for security vulnerabilities and finding errors in general. Such tools often re...