Unsupervised Modeling of Twitter Conversations Unsupervised Modeling of Twitter Conversations
Paper summary This paper models dialog acts in Twitter conversations and presents a corpus of 1.3 million conversations. They provide a status diagram showing the likelihood of transitions between dialogue acts. ![](http://i.imgur.com/eTTVcXO.png) ### Methodology Unsupervised LDA modelling of Twitter conversations, evaluated by held-out test conversations. Uses a conversation+topic model (segmenting post words into those that involve the topic of conversation, the dialogue act, or something else). Trained on 10,000 randomly sampled conversations (conversation length 3-6) from the corpus. ### Corpus 1.3 million conversations with each conversation containing between 2 and 243 posts. In summer 2009, they selected a random sample of Twitter users by gathering 20 randomly selected posts per minute, then queried to get all their posts. Followed any replies to collect conversations. Removed non-English conversations and non-reply posts.

Summary by AcaWiki 5 years ago
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