ACL 2011 Debrief Lin Ziheng 1

Portland 2

Pride parade 3

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Invited talk: Watson DeepQA David Ferrucci, IBM 5

Interesting papers: Sentiment analysis Target-dependent Twitter Sentiment Classification – Long Jiang, Mo Yu, Ming Zhou, Xiaohua Liu, Tiejun Zhao – Classify a tweet as +ve, -ve, or neutral – Query dependent features, eg, iPad, Lady Gaga – Context: related tweets, eg, retweets, replies 6

Interesting papers: Sentiment analysis Content Models with Attitude – Christina Sauper, Aria Haghighi, Regina Barzilay – A joint prob topic model to jointly identity product properties (battery life, image, …) and the aggregate user sentiment 7

Interesting papers: Sentiment analysis Contrasting Opposing Views of News Articles on Contentious Issues – Souneil Park, Kyung Soon Lee, Junehwa Song – News articles are always biased  difficult for readers to understand the conflicting arguments and contention – Build a opponent-based frame 8

Interesting papers: Summarization Coherent Citation-Based Summarization of Scientific Papers – Amjad Abu-Jbara and Dragomir Radev – Previous approaches: extract and select citation sentences – Produce readable and cohesive citation-based summary Multiple references in one citation sentence Sentence ordering Position and format of reference 9

My talk Automatically Evaluating Text Coherence Using Discourse Relations – Ziheng Lin, Hwee Tou Ng, Min-Yen Kan – Last day of main conference  – Feedbacks is quite good Many questions in Q&A Received an after the talk 10