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Parsing for a wide variety of grammar for- malisms can be performed by intersecting finite tree automata. However, naive im- plementations of parsing by intersection are very inefficient. We present …...

AbstractA key problem in processing graph-based meaning representations is graph parsing, i.e. computing all possible derivations of a given graph according to a (competence) grammar. We demonstrate, for the first …...

Event detection is a fundamental task in infor- mation extraction. Most previous approaches typically view event detection as a trigger- based classification problem, focusing on us- ing syntactic dependency structure …...