Ted Pedersen, professor, Department of Computer Science, co-authored two papers that were presented at workshops held in conjunction with the annual conference on Empirical Methods in Natural Language Processing. The first, "Why Do They Leave: Modeling Participation in Online Depression Forums", was presented at the 4th International Workshop onNatural Language Processing for Social Media . Authors include Farig Sadeque, Ted Pedersen, Thamar Solorio, Prasha Shrestha, Nicolas Rey-Villamizar and Steven Bethard. The second paper, "Analysis of Anxious Word Usage on Online Health Forums”, was presented at the Seventh International Workshop on Health Text Mining and Information Analysis. This paper authors include Nicolas Rey-Villamizar, Prasha Shrestha, Farig Sadeque, Steven Bethard, Ted Pedersen, Arjun Mukherjee and Thamar Solorio.