2027 search results - page 167 / 406 » An Adaptive Query Execution System for Data Integration |
153
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ICCS
2007
Springer
16 years 10 days ago
2007
Springer
The Louisiana Coastal Area presents an array of rich and urgent scientific problems that require new computational approaches. These problems are interconnected with common compon...
198
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DLOG
2011
14 years 9 months ago
2011
Query answering in Ontology Based Data Access (OBDA) exploits the knowledge of an ontology’s TBox to deal with incompleteness of the ABox (or data source). Current query-answerin...
162
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CIKM
2004
Springer
15 years 11 months ago
2004
Springer
An important class of queries is the LIKE predicate in SQL. In the absence of an index, LIKE queries are subject to performance degradation. The notion of indexing on substrings (...
162
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VLDB
1998
ACM
15 years 10 months ago
1998
ACM
In this paper, we present the results that we have obtained by comparing and testing three well-known database middleware solutions. We have analyzed their features related to glo...
150
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DOLAP
2004
ACM
15 years 11 months ago
2004
ACM
Accurate summary data is of paramount concern in data warehouse systems; however, there have been few attempts to completely characterize the ability to summarize measures. The su...