5869 search results - page 190 / 1174 » Multilingual Information Access |
203
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DEXAW
2004
IEEE
15 years 10 months ago
2004
IEEE
Wide-area networks provide an easy access to many different distributed and heterogeneous data sources. The development of automated operating tools is still complex, particularly...
145
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DAGSTUHL
1993
15 years 7 months ago
1993
In this paper we present a type system for graph rewrite systems: uniqueness typing. It employs usage information to deduce whether an object is `unique' at a certain moment,...
147
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AAAI
1997
15 years 7 months ago
1997
We consider the problem of query plan optimization in information brokers. Information brokers are programs that facilitate access to collections of information sources by hiding ...
159
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IRI
2005
IEEE
16 years 2 days ago
2005
IEEE
Role-Based Access Control (RBAC) models have emerged as a leading access control approach for today’s information systems. Hybrid role hierarchies introduced in the Generalized ...
150
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ECIS
2004
15 years 8 months ago
2004
This paper explores the body of e-government research surfaced during 1998-2003 in Web of Science and ProQuest. The search identified 158 scholarly papers. Using a classification ...