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2011
12 years 8 months ago
On P/NP Dichotomies for EL Subsumption under Relational Constraints
Abstract. We consider the problem of characterising relational constraints under which TBox reasoning in EL is tractable. We obtain P vs. coNP-hardness dichotomies for tabular cons...
Agi Kurucz, Frank Wolter, Michael Zakharyaschev