Thanks to those who responded. I was wondering if taking a bag of words approach might work. For example chunking the sentences to be analyzed and running a Lucene query against an index storing sentiment polarity. Has anyone had success with this approach? I do not need a super accurate system, something that is "reasonably" accurate.
Also, could you suggest good publicly available training datasets? I am aware of the Cornell Movie Reviews dataset[1] Thanks AS [1] http://www.cs.cornell.edu/people/pabo/movie-review-data/ ----- Original Message ---- From: Vivek Balaraman <[EMAIL PROTECTED]> To: java-user@lucene.apache.org Sent: Saturday, March 1, 2008 6:35:04 AM Subject: Re: Lucene for Sentiment Analysis We've been working on Sentiment Analysis. We use GATE and Wordnet for the lexical / semantic analysis and J Free Charts for the visualization. The domain is reviews on retail banking and in general our accuracy is around 75% and recall around 25% We tried out lingpipe as well which also gave good results. Tx Vivek Balaraman On Sat, Mar 1, 2008 at 3:16 AM, Aaron Schon <[EMAIL PROTECTED]> wrote: > Hello, I was interested to learn about using Lucene for text analytics > work such as for Sentiment Analysis. Has anyone done work along these lines? > if so, could you share your approach, experiences, accuracy levels obtained > etc. > > Thanks, > AS > > > > > ____________________________________________________________________________________ > Looking for last minute shopping deals? > Find them fast with Yahoo! Search. > http://tools.search.yahoo.com/newsearch/category.php?category=shopping > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
