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ER
1995
Springer
152views Database» more  ER 1995»
15 years 7 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
ECCC
2008
186views more  ECCC 2008»
15 years 4 months ago
Universal Semantic Communication II: A Theory of Goal-Oriented Communication
We continue the investigation of the task of meaningful communication among intelligent entities (players, agents) without any prior common language. Our generic thesis is that su...
Brendan Juba, Madhu Sudan
VLDB
2007
ACM
95views Database» more  VLDB 2007»
16 years 4 months ago
Matching Twigs in Probabilistic XML
Evaluation of twig queries over probabilistic XML is investigated. Projection is allowed and, in particular, a query may be Boolean. It is shown that for a well-known model of pro...
Benny Kimelfeld, Yehoshua Sagiv
SAC
2010
ACM
15 years 11 months ago
Applying taxonomic knowledge to Bayesian belief network for personalized search
Keyword-based search returns its results without concern for the information needs of users at a particular time. In general, search queries are too short to represent what users ...
Jae-won Lee, Han-joon Kim, Sang-goo Lee
KR
2004
Springer
15 years 9 months ago
Optimization Techniques for Retrieving Resources Described in OWL/RDF Documents: First Results
Practical description logic systems play an ever-growing role for knowledge representation and reasoning research even in distributed environments. In particular, the often-discus...
Volker Haarslev, Ralf Möller