@article {citation212,
	title = {Log-determinant relaxation for approximate inference in discrete Markov random field},
	journal = {Signal Processing, IEEE Transactions on},
	volume = {54},
	number = {6},
	year = {2006},
	month = {06/2006},
	pages = {2099-2109},
	issn = {1053-587X},
	doi = {10.1109/TSP.2006.874409},
	url = {http://www.cs.berkeley.edu/~jordan/papers/WaiJor_IEEE_TSP_05.pdf},
	author = {M. J. Wainwright and M. I. Jordan}
}
