Abductive Processes for Answer Justification

Sanda M. Harabagiu and Steven J. Maiorano

An answer mined from text collections is deemed correct if an explanation or justification is provided. Due to multiple language ambiguities, abduction, or inference to the best explanation, is a possible vehicle for such justifications. To interpret abductively an answer, world knowledge, iexico-semantic knowledge as well as pragmatic knowledge need to be integrated. This paper presents various forms of abductive processes taking place when answers are mined from texts and knowledge bases.

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