Jie Yang 0028 Claudia Hauff Alessandro Bozzon Geert-Jan Houben Asking the right question in collaborative q&a systems. 179-189 2014 HT https://doi.org/10.1145/2631775.2631809 https://www.wikidata.org/entity/Q131117087 conf/ht/2014 db/conf/ht/ht2014.html#YangHBH14