For sites primarily or exclusively focused on automatically tagging texts and corpora by part of speech. Does not include general corpus annotation tools.
CLAWS Tagger
From the UCREL corpus annotation project. Documentation, free online trial, licensing information.
Infogistics Parser/Chunker
Online demo of a system that tags and chunks English into phrases. Freely downloadable for research purposes.
Lingsoft's morphological analyzers
Two-level morphological analyzers for English, German, Swedish, Finnish, Danish, and both forms of Norwegian. On-line demos and licensing information.
The original Brill tagger (in the AI repository)
Eric Brill's original trainable rule-based part-of-speech tagger, which is based on error-driven transformation-based learning (TBL). Comes with a model for English. Written in C (with some Perl code).
QTAG
Downloadable Java-powered tagger, from the University of Birmingham.
TiP Ltd., Poland
TiP is a Polish natural language research and software development company delivering linguistic components for Polish to major IT companies.
TnT: Trigrams 'n Tags
Statistical part-of-speech tagger trainable on different languages and tagsets. Trained and trainable versions. Online demo, noncommercial licensing information, documentation.
TreeTagger
A language independent part-of-speech tagger, available in versions adapted to German and to English. Documentation, downloads, license information, demos.
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Last update:
July 27, 2011 at 6:24:05 UTC
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