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I have a big dataset of posts from an online community (discussion/help forum) and I want to analyze the interactions between users based on the posts they have written.
Every post is in a thread, however, the posts are not hierarchical; a message posted to a thread doesn't show whom the author replied to, and all messages are on the same level (i.e. no indentation). Considering the simplest ways, this would leave me three choices as for network building: create a complete graph out of a thread (connect everyone with everyone), create a star-graph with the thread-starter in the middle or connect users to the previous person who replied.
Do you happen to know papers on building such an interaction network out of non-hierarchical discussions, but not with the above mentioned methods?
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