Xiang Ren 0001 Meng Jiang 0001 Jingbo Shang Jiawei Han 0001 Building Structured Databases of Factual Knowledge from Massive Text Corpora. 1741-1745 2017 SIGMOD Conference https://doi.org/10.1145/3035918.3054781 conf/sigmod/2017 db/conf/sigmod/sigmod2017.html#RenJSH17