An entropy-based method for assessing the number of spatial outliers. - Xutong Liu 001; Chang-Tien Lu; Feng Chen 001 (IRI, 2008)

A spatio-temporal-textual crime search engine. - Xutong Liu 001; Changshu Jian; Chang-Tien Lu (GIS, 2010)

Spatial outlier detection: random walk based approaches. - Xutong Liu 001; Chang-Tien Lu; Feng Chen 001 (GIS, 2010)

Spatial categorical outlier detection: pair correlation function based approach. - Xutong Liu 001; Feng Chen 001; Chang-Tien Lu (GIS, 2011)

A Graph-Based Approach to Detect Abnormal Spatial Points and Regions. - Chang-Tien Lu; Raimundo F. Dos Santos; Xutong Liu 001; Yufeng Kou (Int. J. Artif. Intell. Tools, 2011)

Robust Prediction and Outlier Detection for Spatial Datasets. - Xutong Liu 001; Feng Chen 001; Chang-Tien Lu (ICDM, 2012)

On detecting spatial categorical outliers. - Xutong Liu 001; Feng Chen 001; Chang-Tien Lu (GeoInformatica, 2014)

Spatial Prediction for Multivariate Non-Gaussian Data. - Xutong Liu 001; Feng Chen 001; Yen-Cheng Lu; Chang-Tien Lu (ACM Trans. Knowl. Discov. Data, 2017)