1. Research Scientist, IBM Research and Development Centre, IBM Canada 3600 Steeles Ave. East, Markham, ON; formerly, Ph.D., Dept. of Civil Engineering, Univ. of New Brunswick, 17 Dineen Dr., Fredericton, NB, Canada E3B 5A3 (corresponding author).
2. Associate Professor, Dept. of Civil Engineering, Univ. of New Brunswick, 17 Dineen Dr., P.O. Box 4400, Fredericton, NB, Canada E3B 5A3.
3. Professor, Dept. of Geodesy and Geomatics Engineering, Univ. of New Brunswick, 15 Dineen Dr., P.O. Box 4400, Fredericton, NB, Canada E3B 5A3.