Software Engineering Institute, Beijing University of Aeronautics and Astronautics, Beijing 100083, P. R. China;
Software Engineering Institute, Beijing University of Aeronautics and Astronautics, Beijing 100083, P. R. China;
Software Engineering Institute, Beijing University of Aeronautics and Astronautics, Beijing 100083, P. R. China;
process engineering; process modeling; project management; supporting environment; integration;