Amel Benna, Nacer Boudjlida, Hassina Talantiki,
SAWSDL, MEDIATION and XQUERY for web services
8th international conference on New Technologies in Distributed Systems : Notere 2008, Lyon France, june 23-27, 2008, volume 1, ACM edition, 2008 ISBN 978-1-59593-937-1, P. 12-21