1. Master, Dept. of Civil Engineering, National Taiwan Univ., Taipei 10617, Taiwan.
2. Research Fellow, Australasian Joint Research Centre for Building Information Modeling, Curtin Univ., Perth 6845, Australia.
3. Professor, Dept. of Civil Engineering, National Taiwan Univ., Taipei 10617, Taiwan (corresponding author).
4. Professor, Dept. of Civil Engineering, National Taiwan Univ., Taipei 10617, Taiwan.