Sciweavers

54 search results - page 5 / 11
» dlog 2007
Sort
View
DLOG
2007
14 years 3 days ago
Description Logic vs. Order-Sorted Feature Logic
We compare and contrast Description Logic (DL) and Order-Sorted Feature (OSF) Logic from the perspective of using them for expressing and reasoning with knowledge structures of the...
Hassan Aït-Kaci
DLOG
2007
14 years 3 days ago
A Possibilistic Extension of Description Logics
Possibilistic logic provides a convenient tool for dealing with inconsistency and handling uncertainty. In this paper, we propose possibilistic description logics (DLs) as an exten...
Guilin Qi, Jeff Z. Pan, Qiu Ji
DLOG
2007
14 years 3 days ago
Modularity in DL-Lite
We develop a formal framework for modular ontologies by analysing four notions of conservative extensions and their applications in refining, re-using, merging, and segmenting ont...
Roman Kontchakov, Frank Wolter, Michael Zakharyasc...
DLOG
2007
14 years 3 days ago
Exploiting Description Logic Reasoners in Inductive Logic
In spite of the increasing effort spent on building ontologies for the Semantic Web, little attention has been paid to the impact of these ontologies on knowledge-based intelligen...
Francesca A. Lisi
DLOG
2007
14 years 3 days ago
Inverse Roles Make Conjunctive Queries Hard
Abstract. Conjunctive query answering is an important DL reasoning task. Although this task is by now quite well-understood, tight complexity bounds for conjunctive query answering...
Carsten Lutz