NLP: any easy and good methods to find semantic similarity between words?

Question

I don\'t know whether StackOverflow covers NLP, so I am gonna give this a shot. I am interested to find the semantic relatedness of two words from a specific domain, i.e. \"imag

Answer 1

Take a look at Latent Semantic Indexing http://en.wikipedia.org/wiki/Latent_semantic_indexing it specifically addresses your problem. However you need to come up with some way to correlate these meta concepts with either positive or negative sentiments. Sentiment analysis http://en.wikipedia.org/wiki/Sentiment_analysis should help you.