Word Substitution in Short Answer Extraction: A WordNet-based Approach. - Qingqing Cai; James Gung; Maochen Guan; Gerald Kurlandski; Adam Pease (GWC, 2016)

Querying Enterprise Knowledge Graph With Natural Language. - Junyi Chai 003; Yonggang Deng; Maochen Guan; Yujie He; Bing Li; Rui Yan (ISWC (Satellites), 2019)