313 search results - page 40 / 63 » Semantic Query Optimization for Methods in Object-Oriented D... |
103
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GVD
2004
14 years 11 months ago
2004
Abstract. Checking the consistency of query conditions is an old problem, and there are already many proposed solutions. Since the problem is in general undecidable, there is not a...
161
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
In Online Analytic Processing (OLAP) deployments, different users, lines of businesses and business units often create adhoc aggregation hierarchies tailor-made for specific report...
106
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PVLDB
2008
14 years 9 months ago
2008
Supporting graceful schema evolution represents an unsolved problem for traditional information systems that is further exacerbated in web information systems, such as Wikipedia a...
SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
DBISP2P
2005
Springer
15 years 3 months ago
2005
Springer
We propose a novel approach for de ning and querying a super-peer within a schema-based super-peer network organized into a two-level architecture: the low level, called the peer l...