2228 search results - page 230 / 446 » A System for Semantic Query Optimization |
206
Voted
ICDE
2001
IEEE
16 years 4 months ago
2001
IEEE
We propose an extension to current view-based mediator systems called model-based mediation, in which views are defined and executed at the level of conceptual models (CMs) rather...
208
Voted
ICDE
1997
IEEE
16 years 4 months ago
1997
IEEE
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
144
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DMSN
2010
ACM
15 years 1 months ago
2010
ACM
Complex event processing (CEP) has become increasingly important for tracking and monitoring applications ranging from health care, supply chain management to surveillance. These ...
228
Voted
GIS
2008
ACM
16 years 4 months ago
2008
ACM
Trip planning search (TPS) represents an important class of queries in Geographic Information Systems (GIS). In many real-world applications, TPS requests are issued with a number...
154
Voted
SSDBM
1999
IEEE
15 years 7 months ago
1999
IEEE
Large scale data analysis and mining activities, such as identifying interesting trends, making unusual patterns to stand out and verifying hypotheses, require sophisticated infor...