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ER
2007
Springer
167views Database» more  ER 2007»
14 years 2 months ago
An Unified Dynamic Description Logic Model for Databases: Relational Data, Relational Operations and Queries
The paper presents an unified Description Logic (DL) model for databases. Describing database models using DLs is a fundamental problem in many areas because it turns databases to...
Guoshun Hao, Shilong Ma, Yuefei Sui, Jianghua Lv
CVPR
2012
IEEE
12 years 17 days ago
A grammar for hierarchical object descriptions in logic programs
Modeling objects using formal grammars has recently regained much attention in computer vision. Probabilistic logic programming, such as Bilattice based Logical Reasoning (BLR), i...
Toufiq Parag, Claus Bahlmann, Vinay D. Shet, Manee...
SPIESR
1996
141views Database» more  SPIESR 1996»
13 years 11 months ago
Describing and Classifying Multimedia Using the Description Logic GRAIL
Many applications would benefit if media objects such as images could be selected and classified (or clustered) such that "conceptually similar" images are grouped toget...
Carole A. Goble, Christian Haul, Sean Bechhofer
CADE
2008
Springer
14 years 10 months ago
The Complexity of Conjunctive Query Answering in Expressive Description Logics
Abstract. Conjunctive query answering plays a prominent role in applications of description logics (DLs) that involve instance data, but its exact complexity was a long-standing op...
Carsten Lutz
IJCAI
2007
13 years 11 months ago
Completing Description Logic Knowledge Bases Using Formal Concept Analysis
Abstract. We propose an approach for extending both the terminological and the assertional part of a Description Logic knowledge base by using information provided by the knowledge...
Franz Baader, Bernhard Ganter, Baris Sertkaya, Ulr...