My research interests lie in databases that handle non-standard data, such as: Currently, my research focuses are in the efficient retrieval and query processing ofnon-standard data for distributed spatial databases and mobile information systems. I also conduct some research in the area of Digital Libraries.

I am director of the Southern Alberta Digital Library (SADL) project at the University of Lethbridge done in collaboration with the Greenstone Project ( at the University of Waikato, New Zealand.

Graduate Students

Refereed Journal Articles

Refereed Conference Papers

Poster Papers

Book Chapters