Improve the effectiveness of the opinion retrieval and opinion polarity classification.

@inproceedings{zhang-2008-improve, author = {Wei Zhang and Lifeng Jia and Clement T. Yu and Weiyi Meng}, editor = {James G. Shanahan and Sihem Amer-Yahia and Ioana Manolescu and Yi Zhang and David A. Evans and Alek Kolcz and Key-Sun Choi and Abdur Chowdhury}, title = {{Improve the effectiveness of the opinion retrieval and opinion polarity classification}}, booktitle = {{Proceedings of the 17th ACM Conference on Information and Knowledge Management, CIKM 2008, Napa Valley, California, USA, October 26-30, 2008}}, pages = {1415--1416}, publisher = {ACM}, year = {2008}, url = {https://doi.org/10.1145/1458082.1458309}, doi = {https://doi.org/10.1145/1458082.1458309} }