@Inproceedings\{NunoMiguelAntunesFreire_9_2006,
author = {Nuno Miguel Antunes Freire and José Borbinha},
title = {Metadata Spaces: The concept and a case with REPOX},
booktitle = {ECDL 2006 - 10th European Conference on Research and Advanced Technology for Digital Libraries},
volume = {4172},
pages = {516-519},
publisher = {Springer Berlin / Heidelberg},
series = {Lecture Notes in Computer Science},
year = {2006},
month = {September},
}