Patent ID: 8620906
Filing Date: 2013-12-31
Classification: G06F,G06Q

Abstract:
1. A system comprising: at least one processor operable to execute: a search engine to retrieve, from a collection of product reviews, product review results using at least two input product names; a template builder to build comparative sentence templates to define a relationship between the at least two product names, each comparative sentence template having a weight as a function of the defined relationship between the at least two product names, the search engine extracting one or more snippets matching at least one of the comparative sentence templates within each product review result; a review ranking device to rank the product review search results based on the one or more extracted snippets, each snippet having a same weight as its matched comparative sentence template; and an aggregator to calculate a ranking score of each product review result by aggregating weights of the one or more extracted snippets within each product review result, wherein the review ranking device ranks the product review results in the order of the ranking scores thereof, and wherein a weight of a first comparative sentence template from the comparative sentence templates defining an explicit relationship is higher than a weight of a second comparative sentence template from the comparative sentence templates defining an implicit relationship.