Erika Valencia Jean-Paul Sansonnet Simplicial Complexes for Description Logics Terminologies. 257-266 2000 conf/dlog/2000 Description Logics http://SunSITE.Informatik.RWTH-Aachen.DE/Publications/CEUR-WS/Vol-33/Valencia257-266.ps db/conf/dlog/dlog2000.html#ValenciaS00