Opinion Mining


Hello everyone,
I needed a tool to do opinion mining and sentiment analysis and I found RapidMiner. I can remove stop words in a sentence but how can I identify and analyse negative/positive words in a sentence by using RapidMiner? I search in Text Processing operators but I can't really find, also I don't exactly know how complicated operators are used although I watched video tutorials.
Any help, please?
Thanks
I needed a tool to do opinion mining and sentiment analysis and I found RapidMiner. I can remove stop words in a sentence but how can I identify and analyse negative/positive words in a sentence by using RapidMiner? I search in Text Processing operators but I can't really find, also I don't exactly know how complicated operators are used although I watched video tutorials.
Any help, please?
Thanks
0
Answers
Read information here
http://www.cs.uic.edu/~liub/FBS/sentiment-analysis.html