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Proceedings of the Fourth International Workshop on Natural Language Processing for Social Media
Lun-Wei Ku | Jane Yung-jen Hsu | Cheng-Te Li

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Identifying and Categorizing Disaster-Related Tweets
Kevin Stowe | Michael J. Paul | Martha Palmer | Leysia Palen | Kenneth Anderson

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Identifying Eyewitness News-worthy Events on Twitter
Erika Doggett | Alejandro Cantarero

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Why Do They Leave: Modeling Participation in Online Depression Forums
Farig Sadeque | Ted Pedersen | Thamar Solorio | Prasha Shrestha | Nicolas Rey-Villamizar | Steven Bethard

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Twitter at the Grammys: A Social Media Corpus for Entity Linking and Disambiguation
Mark Dredze | Nicholas Andrews | Jay DeYoung

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Steps Toward Automatic Understanding of the Function of Affective Language in Support Groups
Amit Navindgi | Caroline Brun | Cécile Boulard Masson | Scott Nowson

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Detecting Social Roles in Twitter
Sunghwan Mac Kim | Stephen Wan | Cécile Paris

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Identifying Sensible Participants in Online Discussions
Siddharth Jain

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emoji2vec: Learning Emoji Representations from their Description
Ben Eisner | Tim Rocktäschel | Isabelle Augenstein | Matko Bošnjak | Sebastian Riedel

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Learning Latent Local Conversation Modes for Predicting Comment Endorsement in Online Discussions
Hao Fang | Hao Cheng | Mari Ostendorf

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Witness Identification in Twitter
Rui Fang | Armineh Nourbakhsh | Xiaomo Liu | Sameena Shah | Quanzhi Li

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How Do I Look? Publicity Mining From Distributed Keyword Representation of Socially Infused News Articles
Yu-Lun Hsieh | Yung-Chun Chang | Chun-Han Chu | Wen-Lian Hsu

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Hierarchical Character-Word Models for Language Identification
Aaron Jaech | George Mulcaire | Shobhit Hathi | Mari Ostendorf | Noah A. Smith

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Human versus Machine Attention in Document Classification: A Dataset with Crowdsourced Annotations
Nikolaos Pappas | Andrei Popescu-Belis