Patent ID: 8626787
Filing Date: 2014-01-07
Classification: G06F,Y10S

Abstract:
1. A method comprising: receiving, by one or more processors of one or more computer devices, a phrase that includes a stopword; identifying, by the one or more processors, first documents, from a corpus of documents, that are relevant to the phrase; forming, by the one or more processors and based on the phrase, a modified phrase that omits the stopword; identifying, by the one or more processors, second documents, from the corpus of documents, that are relevant to the modified phrase; comparing, by the one or more processors, information associated with the first documents and information associated with the second documents; determining, by the one or more processors and based on comparing the information associated with the first documents and the information associated with the second documents, whether the phrase and the modified phrase are associated with different concepts; and storing, by the one or more processors, the information identifying the phrase, with the stopword, when the phrase and the modified phrase are associated with different concepts.