2911 search results - page 223 / 583 » A Theory of Expressiveness in Mechanisms |
156
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ICWE
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. Communication technologies, such as e-mail, instant messaging, discussion forums, blogs, and newsgroups connect people together, forming virtual communities. This concept...
194
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GLOBECOM
2006
IEEE
16 years 18 days ago
2006
IEEE
— We consider wireless multihop data networks with random multi-access mechanisms at the MAC layer. Our aim is to study the performance as perceived by users in a dynamic setting...
162
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CIKM
2005
Springer
16 years 2 days ago
2005
Springer
We introduce the notion of views as a mechanism for securing and providing access control in the context of XML. Research in XML has explored several efficient querying mechanism...
185
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ESWS
2005
Springer
16 years 2 days ago
2005
Springer
As semantic markup becomes ubiquitous, it will become important to be able to ask queries and obtain answers, using natural language (NL) expressions, rather than the keyword-based...
151
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VLDB
1989
ACM
15 years 10 months ago
1989
ACM
paper is concerned with ways of specifying situations and evaluating them efficiently. The techniques described in this paper were developed as part of the HiPAC (High Performance...