System and Method for Extracting Aspect-Based Ratings from Product and Service Reviews

摘要

A system method that may include generating a text feature vector including a plurality of elements for an aggregate review text associated with one or more multi-aspect reviews of a product or service, each element of the text feature vector associated with a term in the aggregate review text, calculating an average aspect rating for each of a plurality of aspects having a rating in the one or more multi-aspect reviews of the product or service, generating a rating vector, the rating vector including a plurality of values and elements, each element of the rating vector corresponding to an average aspect rating, and generating an inference model based on the text feature vectors and a frequency of occurrence of each rating vector, such that the inference model may be applied to text reviews to infer aspect ratings associated with the text reviews.