SIXTH FRAMEWORK PROGRAMME INFORMATION SOCIETY TECHNOLOGIES IST-FP6-004559 SODIUM “Service Oriented Development In a Unified fraMework” D6: Specification of Unified Service Composition Language (USCL) Identifier Date: 24/06/2005 Author(s): Cesare Pautasso, Thomas Heinis, Gustavo Alonso (ETHz) Distribution: All partners Workpackage: WP2 –Visual Service Composition Version: 1.5 Status: Draft Abstract: This document presents the specification of the SODIUM Unified Service Composition Language