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» Conjunctive Query Entailment for SHOQ
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DLOG
2007
13 years 7 months ago
Conjunctive Query Entailment for SHOQ
An important reasoning task, in addition to the standard DL reasoning services, is conjunctive query answering. In this paper, we present a decision procedure for conjunctive query...
Birte Glimm, Ian Horrocks, Ulrike Sattler
DLOG
2006
13 years 6 months ago
Conjunctive Query Answering for Description Logics with Transitive Roles
An important reasoning task, in addition to the standard DL reasoning services, is conjunctive query answering. In this paper, we present algorithms for conjunctive query answerin...
Birte Glimm, Ian Horrocks, Ulrike Sattler
KR
2010
Springer
13 years 9 months ago
Status QIO: Conjunctive Query Entailment Is Decidable
Description Logics (DLs) are knowledge representation formalisms that provide, for example, the logical underpinning of the W3C OWL standards. Conjunctive queries (CQs), the stand...
Birte Glimm, Sebastian Rudolph
DLOG
2011
12 years 8 months ago
Status QIO: An Update
We prove co-N2ExpTime-hardness for conjunctive query entailment in the description logic ALCOIF , thus improving the previously known 2ExpTime lower bound. The result transfers to ...
Birte Glimm, Yevgeny Kazakov, Carsten Lutz