@article{DBLP:journals/computer/Brachman83,
author = {Ronald J. Brachman},
title = {What IS-A Is and Isn't: An Analysis of Taxonomic Links in
Semantic Networks},
journal = {IEEE Computer},
volume = {16},
number = {10},
year = {1983},
pages = {30-36},
ee = {http://doi.ieeecomputersociety.org/10.1109/MC.1983.1654194},
bibsource = {DBLP, http://dblp.uni-trier.de}
}