3836 search results - page 258 / 768 » Semantics of Database Transformations |
239
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ITNG
2008
IEEE
15 years 11 months ago
2008
IEEE
Semantic Analysis is a business analysis method designed to capture user requirements and represent them as text or in a graph that is called Ontology Chart. Ontology Charts can b...
111
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DEXAW
1995
IEEE
15 years 8 months ago
1995
IEEE
Inherent constraints play an important role in the semantic Xplain model. These constraints enable us to represent certain real world knowledge once for subsequent use in several ...
146
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DLOG
2001
15 years 6 months ago
2001
Description logics have been designed and studied in a modular way. This has allowed a methodic approach to complexity evaluation. We present a way to preserve this modularity in ...
275
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ICDE
2009
IEEE
16 years 6 months ago
2009
IEEE
Abstract-- When dealing with massive quantities of data, topk queries are a powerful technique for returning only the k most relevant tuples for inspection, based on a scoring func...
106
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ER
2007
Springer
15 years 10 months ago
2007
Springer
We consider the problem of adding both equality and order generating dependencies to Web ontology languages such as OWL DL that are based on description logics. Such dependencies u...