Sérgio Barretto Miguel Mira da Silva Using Integration Frameworks for Developing Context-Aware Applications. 100-111 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3295&spage=100 2004 conf/eusai/2004 EUSAI db/conf/eusai/eusai2004.html#BarrettoS04