The Mitkov Algorithm for Anaphora Resolution in Portuguese

Authors:
Amanda Rocha Chaves;Lucia Helena Rino
Affiliations:
Universidade Federal de São Carlos, Brazil;Universidade Federal de São Carlos, Brazil
Venue:
PROPOR '08 Proceedings of the 8th international conference on Computational Processing of the Portuguese Language
Year:
2008

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Abstract

This paper reports on the use of the Mitkov's algorithm for resolution of third person pronouns in texts written in Brazilian Portuguese. A system for anaphora resolution was built that embeds most of the Mitkov's features. Some of his resolution factors were directly incorporated into the system; others had to be slightly modified for language adequacy. The resulting approach was intrinsically evaluated on hand-annotated corpora. It was also compared to Lappin & Leass's algorithm, also customized to pronoun resolution in Portuguese. Success rate was the only evaluation measure used.