Examples of using Tagger in English and their translations into Chinese
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Political
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Ecclesiastic
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Programming
Tagger's theory rests on one big assumption.
Now we can set up a tagger and use it to tag a sentence.
A tagger can also model our knowledge of unknown words;
Qiqqa: Freeware PDF reader, indexer, tagger and annotator.
Photo Tagger supports iOS 8.0(or later).
Here we see a special case of an n-gram tagger, namely a bigram tagger.
The Brill tagger, described in Section 5.6, is a good example of this strategy.
In other words,we can build a chunker using a unigram tagger(Section 5.4).
I liked that the Mission's taggers kept right on going, under the nose of the DHS.
Your Turn: See if you can come up with patterns toimprove the performance of the above regular expression tagger.
During training, a unigram tagger will probably learn that UNK is usually a noun.
Assuming we always pick the most likely tag in such ambiguous contexts,we can derive a lower bound on the performance of a trigram tagger.
And Michel Tagger, an astrophysicist at the CEA, thinks he can explain why.
Inspect the diagnostic files created by the Brill tagger rules. out and errors. out.
Brill taggers have another interesting property: the rules are linguistically interpretable.
To deal with this situation, we can train, run, and evaluate taggers using lists of tagged sentences, as shown in Example 5-5.
Train a bigram tagger with no backoff tagger, and run it on some of the training data.
Kent Newsome, full-time uber-blogger and part-time viral link tagger, has asked me to contribute to his ambitious project to rebuild his RSS feeds list.
A POS tagger could use such information to decide that the word right, when preceded by a determiner, should be tagged as ADJ.
Create a new kind of unigram tagger that looks at the tag of the previous word, and ignores the current word.
N-gram taggers can be defined for large values of n, but once n is larger than 3 we usually encounter the sparse data problem;
However, since our tagger did not find any chunks, its precision, recall, and F-measure are all zero.
Define a regular expression tagger(using RegexpTagger()) that tests for at least five other patterns in the spelling of words.
However, a filter called“Tagger” then classifies tweets by topics of interest, such as“Infrastructure Damage” and“Donations”.
For the classifier- based tagger itself, we will use the same approach that we used in Section 6.1 to build a part-of-speech tagger.
The only information an n-gram tagger considers from prior context is tags, even though words themselves might be a useful source of information.