Conjunctive queries for EL with role composition

EL++ is a rather expressive description logic (DL) that still admits polynomial time inferencing for many reasoning tasks. Conjunctive queries are an important means for expressive querying of DL knowledge bases. We address the problem of computing conjunctive query entailment for EL ++ knowledge ba...

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Những tác giả chính: Krötzsch, M, Rudolph, S
Định dạng: Journal article
Ngôn ngữ:English
Được phát hành: 2007