System and Methods for Evaluating Feature Opinions for Products, Services, and Entities

A method for evaluating a review having unstructured text, the method comprising the steps of:

• separating at least a portion of the unstructured text into one or more segments, each segment comprising one or more words;
• assigning lexical categories to one or more of the one or more words of each segment;
• identifying a feature word and an opinion word contained in the one or more segments;
• and
• calculating an opinion score based upon an opinion grouping, the opinion grouping including the feature word and the opinion word.

A system for evaluating a review having structured text, the system comprising:

• a review mapper for mapping the review to one or more of a product, service, or entity;
• a product mapper coupled to the review mapper for separating the structured text into one or more constituent parts;
• and
• a normalizer tool coupled to the product mapper for normalizing the one or more constituent parts to a predetermined format.

A method for creating a training model for a system for evaluating a review having unstructured text, the method comprising the steps of:

• displaying a series of text segments on an output device, each text segment comprising one or more words;
• receiving an identification of the words in each text segment that correspond to a feature or to an opinion;
• and
• creating a set of sample text segments and corresponding trained structures based upon the identification.