SWORS: A System for the Efficient Retrieval of Relevant Spatial Web Objects. - Xin Cao 001; Gao Cong; Christian S. Jensen; Jun Jie Ng; Beng Chin Ooi; Nhan-Tue Phan; Dingming Wu 001 (Proc. VLDB Endow., 2012)

KORS: Keyword-aware Optimal Route Search System. - Xin Cao 001; Lisi Chen 001; Gao Cong; Jihong Guan; Nhan-Tue Phan; Xiaokui Xiao (ICDE, 2013)