537 search results - page 28 / 108 » Problems from CGCS Luminy, May 2007 |
100
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ICDT
2007
ACM
15 years 5 months ago
2007
ACM
Abstract. We study containment of conjunctive queries that are evaluated over databases that may contain tuples with null values. We assume the semantics of SQL for single block qu...
ICFEM
2007
Springer
15 years 5 months ago
2007
Springer
We present a formal, tool-supported approach to the design and maintenance of access control policies expressed in the eXtensible Access Control Markup Language (XACML). Our aim is...
107
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AAAI
2007
15 years 1 months ago
2007
This paper addresses the problem of recovering the locations of both mobile devices and access points from radio signals that come in a stream manner, a problem which we call onli...
COLT
2007
Springer
15 years 5 months ago
2007
Springer
We present a new class of problems, called resource-bounded information gathering for correlation clustering. Our goal is to perform correlation clustering under circumstances in w...
JSW
2007
14 years 11 months ago
2007
Abstract— In many software design and evaluation techniques, either the software evolution problem is not systematically elaborated, or only the impact of evolution is considered...