Y. J. Jiang. A formalism for representing qualified knowledge and its implementation for large knowledge bases. PhD thesis, University of Manchester, UK, 1986. [doi]
@phdthesis{ethos-9409,
title = {A formalism for representing qualified knowledge and its implementation for large knowledge bases},
author = {Y. J. Jiang},
year = {1986},
url = {http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377662},
note = {British Library, EThOS},
researchr = {https://researchr.org/publication/ethos-9409},
cites = {0},
citedby = {0},
school = {University of Manchester, UK},
}