Resolving Portuguese Nominal Anaphora

  • Jorge C. B. Coelho
  • Vinicius M. Muller
  • Sandra Collovini
  • Renata Vieira
  • Lucia H. M. Rino
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3960)


This paper presents two approaches to Portuguese anaphor resolution, one based on a morpho-syntactic information and other on semantic features. We present a corpus based evaluation, focusing especially on anaphoric definite descriptions, which includes direct, indirect and associative anaphors.


Noun Phrase Semantic Relation Total Correct Lexical Knowledge Police Chief 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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  1. 1.
    Bick, E.: The Parsing System PALAVRAS: Automatic Grammatical Analysis of Protuguese in a Constraint Grammar Framework. PhD thesis, Arhus University, Arhus (2000)Google Scholar
  2. 2.
    Fellbaum, C. (ed.): WordNet: An Electronic Lexical Database. MIT Press, Cambridge (1998)Google Scholar
  3. 3.
    Gasperin, C., Vieira, R.: Using word similarity lists for resolving indirect anaphora. In: Proceedings of ACL Workshop on Reference Resolution and its Applications, Barcelona, pp. 40–46 (2004)Google Scholar
  4. 4.
    Markert, K., Nissim, M.: Comparing knowledge sources for nominal anaphora resolution. Computational Linguistics 31(3), 367–401 (2005)CrossRefGoogle Scholar
  5. 5.
    Müller, C., Strube, M.: Mmax: A tool for the annotation of multi-modal corpora. In: Proceedings of the 2nd IJCAI Workshop on Knowledge and Reasoning in Practical Dialogue Systems, Seattle, Washington, pp. 45–50 (2001)Google Scholar
  6. 6.
    Poesio, M., Alexandrov-Ksbadjov, M., Vieira, R., Goulart, R., Uryupina, O.: Does discourse-new detection help definite description resolution? In: Proceedings of the 6th International Workshop on Computational Semantics, Tiburg, pp. 236–246 (2005)Google Scholar
  7. 7.
    Poesio, M., Tomonori, I., Shulte im Walde, S., Vieira, R.: Acquiring lexical knowledge for anaphora resolution. In: Proceedings of 3rd Language resources and evaluation conference LREC 2002, Las Palmas (2002)Google Scholar
  8. 8.
    Poesio, M., Vieira, R., Teufel, S.: Resolving bridging descriptions in unrestricted texts. In: Proceedings of the Workshop on Operational Factors In Practical, Robust, Anaphora Resolution for Unrestricted Texts, Madrid, pp. 1–6 (1997)Google Scholar
  9. 9.
    Schulte im Walde, S.: Resolving Bridging Descriptions in High-Dimensional Space Resolving Bridging Descriptions in High-Dimensional Space. PhD thesis, Institut für Maschinelle Sprachverarbeitung. Universität Stuttgart, and Center for Cognitive Science, University of Edinburgh, Edinburgh (1997)Google Scholar
  10. 10.
    Stuckardt, R.: Coreference-based summarization and question answering: A case for high precision anaphor resolution. In: Proceeding of the 2003 Intermnational. Symposium on Reference Resolution and Its Applications to Question Answering and Summarization, Venice, Italy, pp. 33–41 (2003)Google Scholar
  11. 11.
    Vieira, R.: Definite Description Processing in Unrestricted Text. PhD thesis. University of Edinburgh, Edinburgh (1998)Google Scholar
  12. 12.
    Vieira, R., Salmon-Alt, S., Gasperin, C.: Coreference and anaphoric relations of demonstrative noun phrases in multilingual corpus. Anaphora Processing: linguistic, cognitive, and computational modelling 263, 385–427 (2002)CrossRefGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Jorge C. B. Coelho
    • 1
  • Vinicius M. Muller
    • 1
  • Sandra Collovini
    • 1
  • Renata Vieira
    • 1
  • Lucia H. M. Rino
    • 2
  1. 1.Universidade do Vale do Rio dos SinosBrazil
  2. 2.Universidade Federal de São CarlosBrazil

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