Nile: A Query Processing Engine for Data Streams. - Moustafa A. Hammad; Mohamed F. Mokbel; Mohamed H. Ali; Walid G. Aref; Ann Christine Catlin; Ahmed K. Elmagarmid; Mohamed Y. Eltabakh; Mohamed G. Elfeky; Thanaa M. Ghanem; Robert Gwadera; Ihab F. Ilyas; Mirette S. Marzouk; et al. (ICDE, 2004)

SINA: Scalable Incremental Processing of Continuous Queries in Spatio-temporal Databases. - Mohamed F. Mokbel; Xiaopeng Xiong; Walid G. Aref (SIGMOD Conference, 2004)

Scalable Spatio-temporal Continuous Query Processing for Location-aware Services. - Xiaopeng Xiong; Mohamed F. Mokbel; Walid G. Aref; Susanne E. Hambrusch; Sunil Prabhakar (SSDBM, 2004)

PLACE: A Query Processor for Handling Real-time Spatio-temporal Data Streams. - Mohamed F. Mokbel; Xiaopeng Xiong; Walid G. Aref; Susanne E. Hambrusch; Sunil Prabhakar; Moustafa A. Hammad (VLDB, 2004)

SEA-CNN: Scalable Processing of Continuous K-Nearest Neighbor Queries in Spatio-temporal Databases. - Xiaopeng Xiong; Mohamed F. Mokbel; Walid G. Aref (ICDE, 2005)

Continuous Query Processing of Spatio-Temporal Data Streams in PLACE. - Mohamed F. Mokbel; Xiaopeng Xiong; Moustafa A. Hammad; Walid G. Aref (GeoInformatica, 2005)

Scalable Continuous Query Processing and Moving Object Indexing in Spatio-temporal Databases. - Xiaopeng Xiong (EDBT Workshops, 2006)

R-trees with Update Memos. - Xiaopeng Xiong; Walid G. Aref (ICDE, 2006)

LUGrid: Update-tolerant Grid-based Indexing for Moving Objects. - Xiaopeng Xiong; Mohamed F. Mokbel; Walid G. Aref (MDM, 2006)

Place: A Distributed Spatio-Temporal Data Stream Management System for Moving Objects. - Xiaopeng Xiong; Hicham G. Elmongui; Xiaoyong Chai; Walid G. Aref (MDM, 2007)

Scalability in spatio-temporal data management systems - Xiaopeng Xiong (2007)

Continuous Queries in Spatio-temporal Databases. - Xiaopeng Xiong; Mohamed F. Mokbel; Walid G. Aref (Encyclopedia of GIS, 2008)

Spatio-temporal Database. - Xiaopeng Xiong; Mohamed F. Mokbel; Walid G. Aref (Encyclopedia of GIS, 2008)

The RUM-tree: supporting frequent updates in R-trees using memos. - Yasin N. Silva; Xiaopeng Xiong; Walid G. Aref (VLDB J., 2009)

Continuous Queries in Spatio-Temporal Databases. - Xiaopeng Xiong; Mohamed F. Mokbel; Walid G. Aref (Encyclopedia of GIS, 2017)

Spatiotemporal Database. - Xiaopeng Xiong; Mohamed F. Mokbel; Walid G. Aref (Encyclopedia of GIS, 2017)