publication . Preprint . 2014

Contextual Semantic Parsing using Crowdsourced Spatial Descriptions

Dukes, Kais;
Open Access English
  • Published: 01 May 2014
Abstract
We describe a contextual parser for the Robot Commands Treebank, a new crowdsourced resource. In contrast to previous semantic parsers that select the most-probable parse, we consider the different problem of parsing using additional situational context to disambiguate between different readings of a sentence. We show that multiple semantic analyses can be searched using dynamic programming via interaction with a spatial planner, to guide the parsing process. We are able to parse sentences in near linear-time by ruling out analyses early on that are incompatible with spatial context. We report a 34% upper bound on accuracy, as our planner correctly processes spa...
Subjects
ACM Computing Classification System: TheoryofComputation_MATHEMATICALLOGICANDFORMALLANGUAGES
free text keywords: Computer Science - Computation and Language
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