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Description

In this experiment we evaluate POS 3-gram sequences in gender classification task by applying chi square test which checks for dependence between a specific class (male, female) and a feature.

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Description

Wordnet lemmatizer, Lemmagen lemmatizer and a lemmatizer from Pattern library are evaluated on a set of different golden standards.

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Description

Lancaster, Snowball, RSLP and Porter stemmers from Pattern and NLTK libraries are evaluated on a set of different golden standards.

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Description

POS taggers are evaluated in a settings where POS 3-gram sequences are used as features in a bag-of-words model for gender prediction

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Description

In this workflow we evaluate taggers on their contribution to performance in a lemmatization task, where POS tags are used as additional input for Wordnet lemmatizer during lemmatization. Accuracy of lemmatization is measured on GUM corpus with hand annotated lemmas.

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Description

In this workflow we evaluate taggers on their contribution to performance in a lemmatization task, where POS tags are used as additional input for Wordnet lemmatizer during lemmatization. Accuracy of lemmatization is measured on GUM corpus with hand annotated lemmas.

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Description

In this experiment we evaluate all implemented trainable POS taggers on 6 different golden standard corpora. All taggers are trained on NLTK Wall street journal sample.

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Description

In this experiment we evaluate all implemented trainable POS taggers on 6 different golden standard corpora. All taggers are trained on NLTK Wall street journal sample.

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Description

In this experiment we measure the influence of the size of the training set on POS tagger performance. 7 different POS taggers are trained on first 1000, 2000, 3000 and all sentences of the NLTK WSJ sample. Their performance is measured on GUM corpus.

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Description

In this experiment we measure the influence of the size of the training set on POS tagger performance. 7 different POS taggers are trained on first 1000, 2000, 3000 and all sentences of the NLTK WSJ sample. Their performance is measured on GUM corpus.

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Description

In this experiment we compare NLTK perceptron tagger to Chained tagger (created by chaining 2 N-gram taggers, Affix tagger and default tagger) on 6 different golden standard corpora

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Description

In this experiment we evaluate Chained tagger (created by chaining 2 N-gram taggers, Affix tagger and default tagger) on 6 different golden standard corpora.

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Description

In this experiment we compare taggers trained on NLTK WSJ sample to taggers trained on NPS Chat corpus on a corpus of tagged tweets.

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Description

In this experiment we compare taggers trained on NLTK WSJ sample to taggers trained on NPS Chat corpus on a corpus of tagged tweets.

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Description

In this workflow we compare pretrained taggers to taggers trained on NLTK Penn Treebank WSJ sample on 6 different golden standards

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Description

In this workflow we compare pretrained taggers to taggers trained on NLTK Penn Treebank WSJ sample on 6 different golden standards

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Description

In this workflow we measure the influence of different stemmers and lemmatizers on a performance of a classifier in a classification task.

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