Classification of online discussions: is tree structure sufficient enough?

Mattias Mano, Ecole Polytechnique, Palaiseau
Vendredi 30 Septembre à 10h30, Salle 26-00/332
Abstract
Over the past years, online communities have considerably grown. Especially, a new kind of forums emerged: the "Questions and Answers" (Q&A) forums. They cover lots of different fields, from opinion questions (such as Yahoo! Answers, Reddit, Quora, ...) to really technical questions in Computer Science (Stack Overflow, Bugzilla, ...) or in Mathematics (Math Overflow). We study the opinion forum "Reddit - Change My View". Participants debate on society subject. Using graph theory modeling, I wonder if structural informations of the discussion (graph) are sufficient enough to be characteristic of what happen in the discussion.
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