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Nov 11 2009 - 02:21 PM
Talk by Dr. Joshi on Penn Tree Bank
Penn Tree Bank - corpora of annotated text. Penn Discourse Treebank (PDTB) PDTB provides annotations of both lexicaly trigged discourse relations as well as inferred discourse relations triggered via structurally adjacency. What is annotated - Discourse Relations and their arguments - Semantics - Atrributions PTDB Annotation Overview Relation Types 1) Explicit Connectives 2) Alternative LExicalizations 3) Implicit Conn 4) Entity Based Coherence Relation 5) No Relation (NoRel) just because a connective appears it might not be necessary a discourse connective. No Contraints on relative order of Arg1 and Arg2. 1) Linear 2) Non Linear
|By: Pranav Garg|2871 Reads