An analysis of web services support for dynamic business process outsourcingPaul GrefenHeiko Ludwiget al.2006Information and Software Technology
Cremona: An architecture and library for creation and monitoring of WS-AgreementsHeiko LudwigAsit Danet al.2004ICSOC 2004
Web services on demand: WSLA-driven automated managementAsit DanDoug Daviset al.2004IBM Systems Journal
Web services QoS: External SLAs and internal policies or: How do we deliver what we promise?H. Ludwig2003IEEE WISE 2003
A three-level framework for process and data management of complex e-servicesPaul GrefenHeiko Ludwiget al.2003IJCIS: Cooperative Information Systems
The WSLA Framework: Specifying and Monitoring Service Level Agreements for Web ServicesAlexander KellerHeiko Ludwig2003J Network Syst Manage
Managing dynamic services: A contract based approach to a conceptual architectureAlexander KellerGautam Karet al.2002NOMS 2002
Defining and monitoring service level agreements for dynamic e-businessAlexander KellerHeiko Ludwig2002LISA 2002
A service level agreement language for dynamic electronic servicesH. LudwigAlexander Kelleret al.2002WECWIS 2002