A graph conSiSting of nodeS that repreSent phySical or conceptual objectS and arcS that deScribe the relationShip between the nodeS, reSulting in Something like a data flow diagram. Semantic netS are an effective way to repreSent data aS they incorporate the inheritance mechaniSm that preventS duplication of data. That iS, the meaning of a concept comeS from itS relationShip to other conceptS and the information iSStored by interconnecting nodeS with labelled arcS. (1999-01-07)
