Towards the automatic lemmatization of 16th century mexican spanish: a stemming scheme for the CHEM

Authors:
Alfonso Medina-Urrea
Affiliations:
GIL, Instituto de Ingeniería, UNAM, Coyoacán, DF, Mexico
Venue:
CICLing'06 Proceedings of the 7th international conference on Computational Linguistics and Intelligent Text Processing
Year:
2006

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Abstract

Two of the problems that should arise when developing a stemming scheme for diachronic corpora are: (1) morphological systems of natural languages may vary throughout time, and these changes are normally not documented sufficiently; and (2) they exhibit very diverse orthographic characteristics. In this short paper, a stemming strategy for a diachronic corpus of Mexican Spanish is briefly described, which partially faces up to these problems. Success rates of the method are contrasted to those of a Porter stemmer.