The Value of Paraphrase for Knowledge Base Predicates - Bingcong Xue; Sen Hu; Lei Zou; Jiashu Cheng (The Thirty-Fourth AAAI Conference on Artificial Intelligence, AAAI 2020, The Thirty-Second Innovative Applications of Artificial Intelligence Conference, IAAI 2020, The Tenth AAAI Symposium on Educational Advances in Artificial Intelligence, EAAI 2020, Ne, 2020)