Patent ID: 8473510
Filing Date: 2013-06-25
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 potential 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 potential 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, the first documents and the second documents; determining, by the one or more processors and based on comparing the first documents and the second documents, whether the potential stopword is an actual stopword for the phrase; and updating, by the one or more processors, an exception list to include the phrase when the potential stopword is not an actual stopword for the phrase, the exception list including a plurality of phrases, with potential stopwords, that are to be processed using the potential stopwords.