1791 search results - page 325 / 359 » Semantics and Complexity of SPARQL |
135
Voted
SIGMOD
1999
ACM
15 years 8 months ago
1999
ACM
The design of webbases, database systems for supporting Webbased applications, is currently an active area of research. In this paper, we propose a 3-layer architecture for design...
266
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FM
1997
Springer
15 years 8 months ago
1997
Springer
: The widely accepted possible benefits of formal methods on the one hand and their minor use compared to informal or graphical description techniques on the other hand have repeat...
154
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SIGMOD
1996
ACM
15 years 8 months ago
1996
ACM
While much recent research has focussed on extending databases beyond the traditional relational model, relatively little has been done to develop database tools for querying data...
134
Voted
CCS
2006
ACM
15 years 7 months ago
2006
ACM
A high-level security policy states an overall requirement for a sensitive task. One example of a high-level security policy is a separation of duty policy, which requires a sensi...
117
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AAAI
2008
15 years 6 months ago
2008
ar for abstract concepts, and a number of formally expressed, structural restrictions. Copyright c 2008, Association for the Advancement of Artificial Intelligence (www.aaai.org). ...