To find the exact paper you need, try searching academic databases like Google Scholar for: "2channel" AND "corpus" AND "Japanese" "text mining" AND "2ch.net" "sentiment analysis" AND "anonymous forum data"
: This type of research often uses 2ch data to categorize user behaviors without individual identities.
: Many researchers refer to various curated versions of this data. A prominent example is the work by researchers like Shinsuke Mori , who has published extensively on processing 2ch text for language modeling.