Using negative voting to diversify answers in non-factoid question answering.

@inproceedings{achananuparp-2009-using, author = {Palakorn Achananuparp and Christopher C. Yang and Xin Chen}, editor = {David Wai-Lok Cheung and Il-Yeol Song and Wesley W. Chu and Xiaohua Hu and Jimmy Lin}, title = {{Using negative voting to diversify answers in non-factoid question answering}}, booktitle = {{Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009}}, pages = {1681--1684}, publisher = {ACM}, year = {2009}, url = {https://doi.org/10.1145/1645953.1646203}, doi = {https://doi.org/10.1145/1645953.1646203} }