2169 search results - page 255 / 434 » Inferencing in Database Semantics |
136
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PODS
2010
ACM
15 years 4 months ago
2010
ACM
We study functional and multivalued dependencies over SQL tables with NOT NULL constraints. Under a no-information interpretation of null values we develop tools for reasoning. We...
142
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DASFAA
2011
IEEE
14 years 8 months ago
2011
IEEE
Abstract. Graph-structured databases have numerous recent applications including the Semantic Web, biological databases and XML, among many others. In this paper, we study the main...
232
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ICDE
2008
IEEE
16 years 5 months ago
2008
IEEE
Data collections often have inconsistencies that arise due to a variety of reasons, and it is desirable to be able to identify and resolve them efficiently. Set similarity queries ...
126
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WWW
2007
ACM
16 years 5 months ago
2007
ACM
Many databases have become Web-accessible through form-based search interfaces (i.e., HTML forms) that allow users to specify complex and precise queries to access the underlying ...
165
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SIGMOD
2004
ACM
16 years 4 months ago
2004
ACM
Despite the widespread and growing use of asynchronous copies to improve scalability, performance and availability, this practice still lacks a firm semantic foundation. Applicati...