A Business Model for Charging and Accounting of Internet Services. - Helmut Kneer; Urs Zurfluh; Gabriel Dermler; Burkhard Stiller (EC-Web, 2000)

A Model for Value-Added Internet Service Provisioning. - Helmut Kneer; Urs Zurfluh; Burkhard Stiller (I3E, 2001)

Tradable Service Level Agreements To Manage Network Resources For Streaming Internet Services. - Helmut Kneer; Harald Häuschen; Kurt Bauknecht (ECIS, 2002)

An Agent-Based Framework for Monitoring Service Contracts. - Helmut Kneer; Henrik Stormer; Harald Häuschen; Burkhard Stiller (EC-Web, 2002)

A Contracting Protocol for Managing Quality of Service in a Multi-Provider Environment. - Helmut Kneer; Raymond Marfurt (ICWI, 2002)