?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Notes+on+%22Epistemology+of+a+Rule-based+Expert+System%22&rft.creator=Clancey%2C+William+J.&rft.subject=Artificial+Intelligence&rft.subject=Epistemology&rft.description=In+the+1970s%2C+we+conceived+of+a+rule+explanation+as+supplying+the+causal+and+social+context+that+justifies+a+rule%2C+an+objective+documentation+for+why+a+rule+is+correct.+Today+we+would+call+such+descriptions+post-hoc+design+rationales%2C+not+proving+the+rules%C2%92+correctness%2C+but+providing+a+means+for+later+interpreting+why+the+rule+was+written+and+facilitating+later+improvements.&rft.date=1993&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F292%2F1%2F126.htm&rft.identifier=++Clancey%2C+William+J.++(1993)+Notes+on+%22Epistemology+of+a+Rule-based+Expert+System%22.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F292%2F