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Every day, participants of online communities form and share their opinions, experiences, advice and social support, most of which is expressed freely and without much constraint. These online discussions are often a key resource of information for many important topics, such as parenting, fitness, travel and more. However, these discussions also are intermixed with a clutter of disagreements, humor, flame wars and trolling, requiring readers to filter the content before getting the information they are looking for. And while the field of Information Retrieval actively explores ways to allow users to more efficiently find, navigate and consume this content, there is a lack of shared datasets on forum discussions to aid in understanding these discussions a bit better.
To aid researchers in this space, we are releasing the Coarse Discourse dataset, the largest dataset of annotated online discussions to date. The Coarse Discourse contains over half a million human annotations of publicly available online discussions on a random sample of over 9,000 threads from 130 communities from reddit.com.
To create this dataset, we developed the Coarse Discourse taxonomy of forum comments by going through a small set of forum threads, reading every comment, and deciding what role the comments played in the discussion. We then repeated and revised this exercise with crowdsourced human editors to validate the reproducibility of the taxonomy’s discourse types, which include: announcement, question, answer, agreement, disagreement, appreciation, negative reaction, elaboration, and humor. From this data, over 100,000 comments were independently annotated by the crowdsourced editors for discourse type and relation. Along with the raw annotations from crowdsourced editors, we also provide the Coarse Discourse annotation task guidelines used by the editors to help with collecting data for other forums and refining the task further.
For machine learning and natural language processing researchers trying to characterize the nature of online discussions, we hope that this dataset is a useful resource. Visit our GitHub repository to download the data. For more details, check out our ICWSM paper, “Characterizing Online Discussion Using Coarse Discourse Sequences.”
AcknowledgmentsThis work was done by Amy Zhang during her internship at Google. We would also like to thank Bryan Culbertson, Olivia Rhinehart, Eric Altendorf, David Huynh, Nancy Chang, Chris Welty and our crowdsourced editors.