Comments on: Chunk Extraction with NLTK http://streamhacker.com/2009/02/23/chunk-extraction-with-nltk/#utm_source=feed&utm_medium=feed&utm_campaign=feed Weotta be Hacking Sun, 05 Feb 2012 22:47:34 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: Graduation project | david.graus http://streamhacker.com/2009/02/23/chunk-extraction-with-nltk/comment-page-1/#comment-894 Graduation project | david.graus Wed, 31 Aug 2011 12:53:32 +0000 http://streamhacker.wordpress.com/?p=164#comment-894 [...] Possibly looking at keyphrase extraction instead of simple keywords [or maybe looking at word collocations/chunk extraction?].  [...] [...] Possibly looking at keyphrase extraction instead of simple keywords [or maybe looking at word collocations/chunk extraction?].  [...]

]]> By: dvdgrs » Graduation project http://streamhacker.com/2009/02/23/chunk-extraction-with-nltk/comment-page-1/#comment-855 dvdgrs » Graduation project Mon, 11 Jul 2011 14:12:04 +0000 http://streamhacker.wordpress.com/?p=164#comment-855 [...] Possibly looking at keyphrase extraction instead of simple keywords [or maybe looking at word collocations/chunk extraction?].  [...] [...] Possibly looking at keyphrase extraction instead of simple keywords [or maybe looking at word collocations/chunk extraction?].  [...]

]]> By: Jacob Perkins http://streamhacker.com/2009/02/23/chunk-extraction-with-nltk/comment-page-1/#comment-826 Jacob Perkins Wed, 04 May 2011 00:12:00 +0000 http://streamhacker.wordpress.com/?p=164#comment-826 you missed a closing parens for join, should be ''.join([w, t, c]) you missed a closing parens for join, should be ”.join([w, t, c])

]]> By: Nk http://streamhacker.com/2009/02/23/chunk-extraction-with-nltk/comment-page-1/#comment-825 Nk Wed, 04 May 2011 00:05:00 +0000 http://streamhacker.wordpress.com/?p=164#comment-825 Your code doesn't seem to work, there is a syntax error a line 16 "lines = [' '.join([w, t, c] for (w, (t, c)) in wtc if c]" Your code doesn’t seem to work, there is a syntax error a line 16 “lines = [' '.join([w, t, c] for (w, (t, c)) in wtc if c]”

]]> By: What's the best way to extract phrases from a corpus of text using Python? - Quora http://streamhacker.com/2009/02/23/chunk-extraction-with-nltk/comment-page-1/#comment-722 What's the best way to extract phrases from a corpus of text using Python? - Quora Tue, 09 Nov 2010 14:52:19 +0000 http://streamhacker.wordpress.com/?p=164#comment-722 [...] date here  Vineet Yadav, M.Tech Computational linguistics , II... Train nltk chunker(http://streamhacker.com/2009/02/...)Like NLTK, Montilingua( http://web.media.mit.edu/~hugo/m...) is end to end NLP framework, it uses [...] [...] date here  Vineet Yadav, M.Tech Computational linguistics , II… Train nltk chunker(http://streamhacker.com/2009/02/…)Like NLTK, Montilingua( http://web.media.mit.edu/~hugo/m...) is end to end NLP framework, it uses [...]

]]> By: Learning to do natural language processing with NLTK | JetLlib Journal http://streamhacker.com/2009/02/23/chunk-extraction-with-nltk/comment-page-1/#comment-542 Learning to do natural language processing with NLTK | JetLlib Journal Sun, 04 Apr 2010 22:13:12 +0000 http://streamhacker.wordpress.com/?p=164#comment-542 [...] Chunk Extraction with NLTK [...] [...] Chunk Extraction with NLTK [...]

]]> By: Jacob http://streamhacker.com/2009/02/23/chunk-extraction-with-nltk/comment-page-1/#comment-31 Jacob Tue, 30 Jun 2009 15:10:01 +0000 http://streamhacker.wordpress.com/?p=164#comment-31 Patrick, thanks for catching the typo. I've updated the article with the correct code. Patrick, thanks for catching the typo. I’ve updated the article with the correct code.

]]> By: Patrick http://streamhacker.com/2009/02/23/chunk-extraction-with-nltk/comment-page-1/#comment-30 Patrick Tue, 30 Jun 2009 08:47:41 +0000 http://streamhacker.wordpress.com/?p=164#comment-30 Nice article. Slight typo (missing a closing parenthesis after c]) in line #16 16. lines = [' '.join([w, t, c] for (w, (t, c)) in wtc if c] to 16. lines = [' '.join([w, t, c]) for (w, (t, c)) in wtc if c] Nice article.

Slight typo (missing a closing parenthesis after c]) in line #16
16. lines = [' '.join([w, t, c] for (w, (t, c)) in wtc if c]
to
16. lines = [' '.join([w, t, c]) for (w, (t, c)) in wtc if c]

]]> By: willdampier http://streamhacker.com/2009/02/23/chunk-extraction-with-nltk/comment-page-1/#comment-23 willdampier Thu, 26 Feb 2009 05:12:47 +0000 http://streamhacker.wordpress.com/?p=164#comment-23 I'm trying to use the results of the pos tagger (and now chunker) to pull out words and phrases to use as features in a classification problem as I talk about in http://megamicrobase.wordpress.com/2009/02/26/featuring-the-featureset/ ... since I'm dealing with mostly biomedical annotations I think I'll gain a lot of specificity by switching to a medical corpus for the pos tagging and chunk parser. I’m trying to use the results of the pos tagger (and now chunker) to pull out words and phrases to use as features in a classification problem as I talk about in http://megamicrobase.wordpress.com/2009/02/26/featuring-the-featureset/ … since I’m dealing with mostly biomedical annotations I think I’ll gain a lot of specificity by switching to a medical corpus for the pos tagging and chunk parser.

]]> By: Jacob http://streamhacker.com/2009/02/23/chunk-extraction-with-nltk/comment-page-1/#comment-22 Jacob Thu, 26 Feb 2009 03:09:04 +0000 http://streamhacker.wordpress.com/?p=164#comment-22 If you know the exact patterns you're looking for, you can also use the <a href="http://nltk.googlecode.com/svn/trunk/doc/api/nltk.chunk.regexp.RegexpParser-class.html" rel="nofollow">RegexpParser</a>. It'll be a lot more accurate than itertools.groupby :) If you know the exact patterns you’re looking for, you can also use the RegexpParser. It’ll be a lot more accurate than itertools.groupby :)

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