Multi-dimensional feature merging for supporting evidence in a question and answering… Grant US-9773044-B2 United States of America 26 Sep 2017
Multi-dimensional feature merging for supporting evidence in a question and answering… Grant US-9753986-B2 United States of America 05 Sep 2017
Answer ranking in community question-answering sites Grant US-8346701-B2 United States of America 01 Jan 2013