@inproceedings{93f302ef35914b78984afdc66e579efc,
title = "Modelling roles in business systems using role objects",
author = "Ying Liang",
year = "2002",
month = jul,
language = "English",
isbn = "9780306472473",
pages = "423--430",
booktitle = "Proceedings of the UKSS 7th International Conference on Systems Theory and Practice in the Knowledge Age",
publisher = "Springer",
address = "United States",
note = "Seventh International Conference of the UK Systems Society ; Conference date: 07-07-2002 Through 10-07-2002",
}