Yik-Cheung Tam Tanja Schultz Correlated Bigram LSA for Unsupervised Language Model Adaptation. 1633-1640 2008 NIPS http://books.nips.cc/papers/files/nips21/NIPS2008_0298.pdf conf/nips/2008 db/conf/nips/nips2008.html#TamS08