Skyline queries based on user locations and preferences for making location-based recommendations. - Kazuki Kodama; Yuichi Iijima; Xi Guo 001; Yoshiharu Ishikawa (GIS-LBSN, 2009)

Direction-based spatial skylines. - Xi Guo 001; Yoshiharu Ishikawa; Yunjun Gao (MobiDE, 2010)

Multi-objective Optimal Combination Queries. - Xi Guo 001; Yoshiharu Ishikawa (DEXA (1), 2011)

Direction-based surrounder queries for mobile recommendations. - Xi Guo 001; Baihua Zheng; Yoshiharu Ishikawa; Yunjun Gao (VLDB J., 2011)

Privacy Preservation for Location-Based Services Based on Attribute Visibility. - Masanori Mano; Xi Guo 001; Tingting Dong; Yoshiharu Ishikawa (IMMoA, 2012)

Combination Skyline Queries. - Xi Guo 001; Chuan Xiao 001; Yoshiharu Ishikawa (Trans. Large Scale Data Knowl. Centered Syst., 2012)

Processing Probabilistic Range Queries over Gaussian-Based Uncertain Data. - Tingting Dong; Chuan Xiao 001; Xi Guo 001; Yoshiharu Ishikawa (SSTD, 2013)

Personalized Privacy Aware Framework for Moving Objects in Participatory Sensing. - Dorothy Kalui; Xi Guo 001; Dezheng Zhang; Yonghong Xie; Zhiyong Yang 007 (CIT/IUCC/DASC/PICom, 2015)

Reverse Direction-Based Surrounder Queries. - Xi Guo 001; Yoshiharu Ishikawa; Aziguli Wulamu; Yonghong Xie (APWeb, 2015)

Disease Diagnosis Supported by Hierarchical Temporal Memory. - Yajing Fu; Xi Guo 001; Yonghong Xie; Dezheng Zhang; Hailing Li (UIC/ATC/ScalCom, 2015)

Processing Skyline Groups on Data Streams. - Aziguli Wulamu; Hailing Li; Xi Guo 001; Yonghong Xie; Yajing Fu (UIC/ATC/ScalCom, 2015)

Reverse direction-based surrounder queries for mobile recommendations. - Xi Guo 001; Yoshiharu Ishikawa; Yonghong Xie; Aziguli Wulamu (World Wide Web, 2017)

Velocity-Dependent Nearest Neighbor Query. - Xue Miao; Xi Guo 001; Xiaochun Yang; Lijia Yang; Zhaoshun Wang; Aziguli Wulamu (APWeb/WAIM (2), 2021)

MTS-CAM: A Multi-Time-Scale Convolutional Attention Mechanism for Time Series Forecasting. - Shuaijie Zhang; Aziguli Wulamu; Xi Guo 001; Turdi Tohti (CSCWD, 2025)