Summary of the paper

Title A Sequence Model Approach to Relation Extraction in Portuguese
Authors Sandra Collovini, Gabriel Machado and Renata Vieira
Abstract The task of Relation Extraction from texts is one of the main challenges in the area of Information Extraction, considering the required linguistic knowledge and the sophistication of the language processing techniques employed. This task aims at identifying and classifying semantic relations that occur between entities recognized in a given text. In this paper, we evaluated a Conditional Random Fields classifier for the extraction of any relation descriptor occurring between named entities (Organisation, Person and Place categories), as well as pre-defined relation types between these entities in Portuguese texts.
Topics Information Extraction, Information Retrieval, Statistical and Machine Learning Methods, Named Entity Recognition
Full paper A Sequence Model Approach to Relation Extraction in Portuguese
Bibtex @InProceedings{COLLOVINI16.647,
  author = {Sandra Collovini and Gabriel Machado and Renata Vieira},
  title = {A Sequence Model Approach to Relation Extraction in Portuguese},
  booktitle = {Proceedings of the Tenth International Conference on Language Resources and Evaluation (LREC 2016)},
  year = {2016},
  month = {may},
  date = {23-28},
  location = {Portoro┼ż, Slovenia},
  editor = {Nicoletta Calzolari (Conference Chair) and Khalid Choukri and Thierry Declerck and Sara Goggi and Marko Grobelnik and Bente Maegaard and Joseph Mariani and Helene Mazo and Asuncion Moreno and Jan Odijk and Stelios Piperidis},
  publisher = {European Language Resources Association (ELRA)},
  address = {Paris, France},
  isbn = {978-2-9517408-9-1},
  language = {english}
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