Summary of the paper

Title Building a Knowledge Graph from Natural Language Definitions for Interpretable Text Entailment Recognition
Authors Vivian Silva, André Freitas and Siegfried Handschuh
Abstract Natural language definitions of terms can serve as a rich source of knowledge, but structuring them into a comprehensible semantic model is essential to enable them to be used in semantic interpretation tasks. We propose a method and provide a set of tools for automatically building a graph world knowledge base from natural language definitions. Adopting a conceptual model composed of a set of semantic roles for dictionary definitions, we trained a classifier for automatically labeling definitions, preparing the data to be later converted to a graph representation. WordNetGraph, a knowledge graph built out of noun and verb WordNet definitions according to this methodology, was successfully used in an interpretable text entailment recognition approach which uses paths in this graph to provide clear justifications for entailment decisions.
Topics Knowledge Discovery/Representation, Textual Entailment And Paraphrasing, Information Extraction, Information Retrieval
Full paper Building a Knowledge Graph from Natural Language Definitions for Interpretable Text Entailment Recognition
Bibtex @InProceedings{SILVA18.190,
  author = {Vivian Silva and André Freitas and Siegfried Handschuh},
  title = "{Building a Knowledge Graph from Natural Language Definitions for Interpretable Text Entailment Recognition}",
  booktitle = {Proceedings of the Eleventh International Conference on Language Resources and Evaluation (LREC 2018)},
  year = {2018},
  month = {May 7-12, 2018},
  address = {Miyazaki, Japan},
  editor = {Nicoletta Calzolari (Conference chair) and Khalid Choukri and Christopher Cieri and Thierry Declerck and Sara Goggi and Koiti Hasida and Hitoshi Isahara and Bente Maegaard and Joseph Mariani and Hélène Mazo and Asuncion Moreno and Jan Odijk and Stelios Piperidis and Takenobu Tokunaga},
  publisher = {European Language Resources Association (ELRA)},
  isbn = {979-10-95546-00-9},
  language = {english}
  }
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