Approximately Optimal Elimination Orderings for Sparce Matrices. - Wee-Liang Heng (1998)

High Performance Multimodal Networks. - Erik G. Hoel; Wee-Liang Heng; Dale Honeycutt (SSTD, 2005)

Editing and versioning dynamic network models. - Petko Bakalov; Erik G. Hoel; Wee-Liang Heng; Vassilis J. Tsotras (GIS, 2008)

Maintaining Connectivity in Dynamic Multimodal Network Models. - Petko Bakalov; Erik G. Hoel; Wee-Liang Heng; Vassilis J. Tsotras (ICDE, 2008)

Editing and versioning for high performance network models in a multiuser environment. - Petko Bakalov; Erik G. Hoel; Wee-Liang Heng; Sudhakar Menon; Vassilis J. Tsotras (GeoInformatica, 2011)

Time dependent transportation network models. - Petko Bakalov; Erik G. Hoel; Wee-Liang Heng (ICDE, 2015)

Fast transportation network traversal with hyperedges: (industrial paper). - Petko Bakalov; Erik G. Hoel; Wee-Liang Heng (SIGSPATIAL/GIS, 2016)