WEB-FORUM-52

The WEB-FORUM-52 gold standard comprises (i) 13 web forums from the health domain, (ii) 15 forums obtained from a Wikipedia list of popular forums (https://en.wikipedia.org/wiki/List_of_Internet_forums), (iii) 13 forums mentioned on a list of popular German Web forums (https://www.beliebte-foren.de), (iv) nine forums obtained from WPressBlog (https://www.wpressblog.com/free-forum-posting-sites-list/) and (v) two additional forums. For most forums two web pages (from different threads) were used and stored together with gold standard annotations that have been manually created by domain experts and describe the post text, post date, post user and direct URL to the post.