List of accepted papers: A HYBRID FRAMEWORK FOR SCALABLE OPINION MINING IN SOCIAL MEDIA Carlos Rodriguez-Penagos, Jens Grivolla and Joan Codina-Filba A USER AND NLP-ASSISTED STRATEGIC WORKFLOW FOR A SOCIAL SEMANTIC OWL 2-BASED KNOWLEDGE PLATFORM Jinan El-Hachem and Volker Haarslev PREDICTING THE 2011 DUTCH SENATE ELECTION RESULTS WITH TWITTER Erik Tjong Kim Sang and Johan Bos THE ROLE OF EMOTIONAL STABILITY IN TWITTER CONVERSATIONS Fabio Celli and Luca Rossi TOPIC CLASSIFICATION OF BLOG POSTS USING DISTANT SUPERVISION Stephanie Husby and Denilson Barbosa TOWARDS SCALABLE SPEECH ACT RECOGNITION IN TWITTER: TACKLING INSUFFICIENT TRAINING DATA Renxian Zhang, Dehong Gao and Wenjie Li UNSUPERVISED PART-OF-SPEECH TAGGING IN NOISY AND ESOTERIC DOMAINS WITH A SYNTACTIC-SEMANTIC BAYESIAN HMM William M. Darling, Michael J. Paul and Fei Song OPINION AND SUGGESTION ANALYSIS FOR EXPERT RECOMMENDATIONS Anna Stavrianou and Caroline Brun