Expressiveness of concept expressions in first-order description logics

被引:34
作者
Kurtonina, N
de Rijke, M
机构
[1] Univ Amsterdam, ILLC, NL-1018 TV Amsterdam, Netherlands
[2] Univ Penn, IRCS, Philadelphia, PA 19104 USA
关键词
knowledge representation; description logic; expressive power; model theory; semantic characterizations;
D O I
10.1016/S0004-3702(98)00109-X
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
We introduce a method for characterizing the expressive power of concept expressions in first-order description logics. The method is essentially model-theoretic in nature in that it gives preservation results uniquely identifying a wide range of description logics as fragments of first-order logic. The languages studied in the paper all belong to the well-known FL- and AL hierarchies. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码:303 / 333
页数:31
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