Measuring the Importance of User-Generated Content to Search Engines 2019 inproceedings vincent2019ugcinsearch Authors Nicholas Vincent, Isaac Johnson, Patrick Sheehan, Brent Hecht Venue Proceedings of the International AAAI Conference on Web and Social Media URL https://www.nickmvincent.com/static/icwsm2019_ugcinsearch_arxiv.pdf DOI 10.1609/icwsm.v13i01.3248