An improper treatment of quantification in ordinary English
ACL '83 Proceedings of the 21st annual meeting on Association for Computational Linguistics
Artificial Intelligence - Special issue on logical formalizations and commonsense reasoning
Conditional logic of actions and causation
Artificial Intelligence - Special issue on nonmonotonic reasoning
Anaphora and Discourse Structure
Computational Linguistics
Epistemological problems of artificial intelligence
IJCAI'77 Proceedings of the 5th international joint conference on Artificial intelligence - Volume 2
A common sense theory of causation
CONTEXT'03 Proceedings of the 4th international and interdisciplinary conference on Modeling and using context
Sense annotation in the Penn discourse treebank
CICLing'08 Proceedings of the 9th international conference on Computational linguistics and intelligent text processing
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The most recent release of PDTB 2.0 contains annotations of senses of connectives. The PDTB 2.0 manual describes the hierarchical set of senses used in the annotation and offers rough semantic descriptions of each label. In this paper, we refine the semantics of concession substantially and offer a formal description of concessive relations and the associated inferences drawn by the reader, utilizing basic notions from Hobbs's logic, including the distinction between causes and causal complexes (Hobbs, 2005). This work is part of a larger project on the semantics of connectives which aims at developing formal descriptions of discourse relations, useful for processing real data.