Yang, Yinfei ; Yuan, Steve ; Cer, Daniel ; Kong, Sheng-yi ; Constant, Noah ; Pilar, Petr ; Ge, Heming ; Sung, Yun-Hsuan ; Strope, Brian ; Kurzweil, Ray: Learning Semantic Textual Similarity from Conversations, 2018. - cite arxiv:1804.07754Comment: 10 pages, 8 Figures, 6 Tables