Write some software -- 2

I need you to develop some software for me. I would like this software to be developed for Mac using [login to view URL] Analytic Team is currently building a Review and sentiment Analytic platform. We need a program (Algorithm) which is capable of classifying review and sentiment as either negative or positive. The program should also be able to generate summary of positive and negative reviews and also a graph report of the reviews for extractions. I read about the Bayes Classifier where the algorithm is link with Unigrams( bag of words), wordnet or Dictionary and the likes... For example when some give a sentiment about a product like say * The picture quality of a particular phone is Bad* . The program should be able to classified this as a negative sentiment of the Picture . We seek for highly professional individuals who have have implemented such a project in time past.