@article {1969346, title = {Validating Heterogeneous and Competing Knowledge Bases Using a Black-box Approach}, journal = {Expert Systems With Applications}, volume = {9}, year = {1995}, month = {1995}, pages = {591-598}, keywords = {Accounting, Dean{\textquoteright}s Office}, author = {Brown,Carol and Nielson,Norma L and O{\textquoteright}Leary,Daniel E and Phillips,Mary Ellen} }