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GEOS
2009
Springer
14 years 2 hour ago
Bottom-Up Gazetteers: Learning from the Implicit Semantics of Geotags
As directories of named places, gazetteers link the names to geographic footprints and place types. Most existing gazetteers are managed strictly top-down: entries can only be adde...
Carsten Keßler, Patrick Maué, Jan Tor...
CSFW
1995
IEEE
13 years 11 months ago
Composing and decomposing systems under security properties
We investigate the formal relationship between separability of processes and the types of non-interference properties they enjoy. Though intuitively appealing, separability – th...
A. W. Roscoe, L. Wulf
ER
1995
Springer
152views Database» more  ER 1995»
13 years 11 months ago
A Logic Framework for a Semantics of Object-Oriented Data Modeling
We describe a (meta) formalism for defining a variety of (object oriented) data models in a unified framework based on a variation of first-order logic. As specific example we use...
Olga De Troyer, Robert Meersman
IJCAI
1989
13 years 8 months ago
Bidirectional Use of Knowledge in the Multi-modal NL Access System XTRA
The acceptability and effectiveness of an expert system is critically dependent on its user interface. Natural language could be a well-suited communicative medium; however, curre...
Jürgen Allgayer, Roman M. Jansen-Winkeln, Car...
SAC
2002
ACM
13 years 7 months ago
Semi-automatic design of agent organisations
Designing realistic multi-agent systems is a complex process, which involves specifying not only the functionality of individual agents, but also the authority relationships and l...
Anthony Karageorgos, Simon G. Thompson, Nikolay Me...