Comparing the Contribution of Syntactic and Semantic Features in Closed versus Open Domain Question Answering

@article{Lamjiri2007ComparingTC,
  title={Comparing the Contribution of Syntactic and Semantic Features in Closed versus Open Domain Question Answering},
  author={Abolfazl Keighobadi Lamjiri and Leila Kosseim and Thiruvengadam Radhakrishnan},
  journal={International Conference on Semantic Computing (ICSC 2007)},
  year={2007},
  pages={679-685}
}
In this paper we analyze the contribution of semantic, syntactic and word similarity of document features in closed and open domain question answering. Semantic similarity is computed as the similarity of the action in the candidate sentence to the action asked in the question, measured using WordNet::Similarity on main verbs. The syntactic similarity feature measures the unifiability of a candidate's parse tree with the question's parse tree. It uses syntactic restrictions as well as lexical… CONTINUE READING

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