Ibrahim Elsayed Peter Brezany A. Min Tjoa Towards Realization of Dataspaces. 266-272 2006 conf/dexaw/2006 DEXA Workshops http://doi.ieeecomputersociety.org/10.1109/DEXA.2006.140 db/conf/dexaw/dexaw2006.html#ElsayedBT06