1. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton AB T6G 2W2, Canada. E-mail: hfan@ualberta.ca
2. Chair, NSERFC/Alberta Construction Industry Research Chair, Professor, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton AB T6G 2W2, Canada. E-mail: abouRizk@ualberta.ca
3. Assistant Professor, Dept. of Civil and Environmental Engineering, Yonsei Univ., Seoul 120-749 (corresponding author). E-mail: hyoungkwan@yonsei.ac.kr
4. Associate Professor, Dept. of Computing Science, Univ. of Alberta, Edmonton AB T6G 2E8, Canada. E-mail: zaiane@cs.ualberta.ca