Identifying science concepts and student misconceptions in an interactive essay writing tutor. - Steven Bethard; Ifeyinwa Okoye; Md. Arafat Sultan; Haojie Hang; James H. Martin; Tamara Sumner (BEA@NAACL-HLT, 2012)

Fusing Text and Frienships for Location Inference in Online Social Networks. - Hansu Gu; Haojie Hang; Qin Lv; Dirk Grunwald (Web Intelligence, 2012)