2181 search results - page 113 / 437 » Ontologies and Description Logics |
205
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JAPLL
2010
15 years 4 months ago
2010
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...
131
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AAAI
2007
15 years 8 months ago
2007
Horn description logics (Horn-DLs) have recently started to attract attention due to the fact that their (worst-case) data complexities are in general lower than their overall (i....
152
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DLOG
2007
15 years 8 months ago
2007
We now know that the addition of a concept constructor called a Path Functional Dependency (PFD) to the Boolean-complete description logic DLF leads to undecidability of ABox consi...
194
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OWLED
2007
15 years 7 months ago
2007
Fuzzy Description Logics (Fuzzy DLs) and fuzzy OWL have been proposed as languages able to represent and reason about imprecise and vague knowledge. Such extensions have gained con...
180
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DLOG
2010
15 years 4 months ago
2010
Abstract. This paper investigates Description Logics which allow transitive closure of roles to occur not only in concept inclusion axioms but also in role inclusion axioms. First,...