Generalized Expectation Criteria for Semi-Supervised Learning of Conditional Random Fields Gideon S Mann author Andrew McCallum author 2008-06 text Proceedings of ACL-08: HLT Johanna D Moore editor Simone Teufel editor James Allan editor Sadaoki Furui editor Association for Computational Linguistics Columbus, Ohio conference publication mann-mccallum-2008-generalized https://aclanthology.org/P08-1099/ 2008-06 870 878