title: semantic and pedagogic interoperability mechanisms in the ariadne educational repository e forte , f haenni , k warkentyne , e duval , k cardinaels , e vervaet , k hendrikx , m forte , f simillion 1999. authors: nan. venue: sigmod record. year: nan
title: semantic and pedagogic interoperability mechanisms in the ariadne educational repository sigmod record ,. authors: e forte , f haenni , k warkentyne , e duval , k. venue: nan. year: 1999.0