4Ozan E.Virtual reality in requirement analysis for CIM system development suitable for SMEs[J].International Journal of Production Research,2002(7):3693-3708.
5Merunka V.Object-oriented approach in requirement engineering for the analysis of information systems[J].Journal of Forest Science,2005(3):13-18.
6Drake J M.Approach and case study of requirement analysis based on acquisition ontology[J].International Journal of Intelligent Systems,2000(4):1125-1155.