@article{11:103,author={Rahul Gupta and Sunita Sarawagi and Ajit A. Diwan}, Title={Collective Inference for  Extraction MRFs Coupled with Symmetric Clique Potentials},journal={Journal of Machine Learning Research},volume={11}, url={http://www.jmlr.org/papers/volume11/gupta10a/gupta10a.pdf}}