Gaihua Fu Jianhua Shao Suzanne M. Embury W. A. Gray Algorithms for analysing related constraint business rules. 215-240 2004 50 Data Knowl. Eng. 2 http://dx.doi.org/10.1016/j.datak.2004.01.006 db/journals/dke/dke50.html#FuSEG04