POS Tagging and Corpus-Based Lexical ... - PAN Localization
POS Tagging and Corpus-Based Lexical ... - PAN Localization
POS Tagging and Corpus-Based Lexical ... - PAN Localization
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Stochastic Taggers<br />
<br />
<br />
<br />
<br />
Produce an often-reasonable output without seeming<br />
to know anything about the rules of a language<br />
Resolve <strong>Tagging</strong> ambiguities by using a trained<br />
corpus to compute the probability of a given word<br />
having a given tag in a given context<br />
Intuition behind all Stochastic taggers<br />
• Pick the most likely tag for this word<br />
A stochastic tagging algorithm: Hidden Markov<br />
Model (HMM)<br />
Thurseday, June 23, 2005 <strong>POS</strong> <strong>Tagging</strong> <strong>PAN</strong>LC 2005
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