?url_ver=Z39.88-2004&rft_id=doi%3A10.1016%2Fj.jlap.2010.04.001+&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Buscemi%2C+Maria+Grazia&rft.aufirst=Maria+Grazia&rft.aulast=Buscemi&rft.issn=1567-8326&rft.atitle=QoS+Negotiation+in+Service+Composition&rft.title=Journal+of+Logic+and+Algebraic+Programming&rft.date=2011&rft.volume=80&rft.issue=1&rft.pages=13-24&rft.genre=article