Computer Science – Computation and Language
Scientific paper
1994-08-16
Computer Science
Computation and Language
6 pages, Proc. ANLP94, uuencoded and gzipped postscript
Scientific paper
We discuss combining knowledge-based (or rule-based) and statistical part-of-speech taggers. We use two mature taggers, ENGCG and Xerox Tagger, to independently tag the same text and combine the results to produce a fully disambiguated text. In a 27000 word test sample taken from a previously unseen corpus we achieve 98.5% accuracy. This paper presents the data in detail. We describe the problems we encountered in the course of combining the two taggers and discuss the problem of evaluating taggers.
Tapanainen Pasi
Voutilainen Atro
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