A Three-Tier Architecture for Ubiquitous Data Access. - Sumi Helal; Joachim Hammer; Jinsuo Zhang; Abhinav Khushraj (AICCSA, 2001)

Incremental Hoarding and Reintegration in Mobile Environments. - Abdelsalam Helal; Abhinav Khushraj; Jinsuo Zhang (SAINT, 2002)