Advanced Concepts for Next Generation Portals. - Christian Zirpins; Harald Weinreich; Andreas Bartelt; Winfried Lamersdorf (DEXA Workshop, 2001)

Geschäftsmodelle der Electronic Information: Modellbildung und Klassifikation. - Andreas Bartelt; Christian Zirpins; Dietrich Fahrenholtz (GI Jahrestagung (2), 2001)

Generative Softwarekonstruktion auf Basis typisierter Komponenten. - Frank Griffel; Christian Zirpins; Stefan Müller-Wilken (Kommunikation in Verteilten Systemen, 2001)

Service-Oriented Modelling for e-Business Applications Components. - Giacomo Piccinelli; Mathias Sallé; Christian Zirpins (WETICE, 2001)

Interaction-Driven Definition of e-Business Processes. - Christian Zirpins; Giacomo Piccinelli (COMPSAC, 2002)

Web Service Interfaces for Inter-Organisational Business Processes: An Infrastructure for Automated Reconciliation. - Giacomo Piccinelli; Wolfgang Emmerich; Christian Zirpins; Kevin Schütt (EDOC, 2002)

Process-Based Optimisation of Data Exchange for B2B Interaction. - Christian Zirpins; Kevin Schütt; Giacomo Piccinelli (NETWORKING Workshops, 2002)

A Service Oriented Approach to Interorganisational Cooperation. - Christian Zirpins; Winfried Lamersdorf; Giacomo Piccinelli (I3E, 2003)

The FRESCO Framework: An Overview. - Giacomo Piccinelli; Christian Zirpins; Winfried Lamersdorf (SAINT Workshops, 2003)

A Provision-centric Model for Electronic Services. - Clare Gryce; Giacomo Piccinelli; Christian Zirpins (WETICE, 2003)

Object Orientation and Web Services. - Christian Zirpins; Giacomo Piccinelli; Winfried Lamersdorf; Anthony Finkelstein (ECOOP Workshops, 2004)

Evolution of Service Processes by Rule Based Transformation. - Christian Zirpins; Giacomo Piccinelli (I3E, 2004)

Flexible coordination of service interaction patterns. - Christian Zirpins; Winfried Lamersdorf; Toby Baier (ICSOC, 2004)

Lifting XML Schema to OWL. - Matthias Ferdinand; Christian Zirpins; David Trastour (ICWE, 2004)

Dienstorientierte Kooperationsmuster in servicebasierten Grids. - Christian Zirpins; Winfried Lamersdorf (Prax. Inf.verarb. Kommun., 2004)

Special issue: Engineering design and composition of service-oriented applications. - Jen-Yao Chung; George Feuerlicht; Winfried Lamersdorf; Christian Zirpins (Comput. Syst. Sci. Eng., 2006)

Third International Workshop on Engineering Service-Oriented Applications: Analysis, Design & Composition. - George Feuerlicht; Christian Zirpins; Guadalupe Ortiz 001; Yen-Jao Chung; Winfried Lamersdorf; Wolfgang Emmerich (ICSOC Workshops, 2007)

Managing Quality of Human-Based eServices. - Robert Kern; Christian Zirpins; Sudhir Agarwal 001 (ICSOC Workshops, 2008)

Introduction: Fourth International Workshop on Engineering Service-Oriented Applications (WESOA 2008). - Christian Zirpins; Guadalupe Ortiz 001; Yen-Jao Chung; Wolfgang Emmerich (ICSOC Workshops, 2008)

An E-Service SOA Model for Virtual Service Enterprises. - Christian Zirpins; Wolfgang Emmerich (Virtual Enterprises and Collaborative Networks, 2008)

A reference model of virtual service production networks. - Christian Zirpins; Wolfgang Emmerich (Serv. Oriented Comput. Appl., 2008)

Perspectives for Web Service Intermediaries: How Influence on Quality Makes the Difference. - Ulrich Scholten; Robin Fischer; Christian Zirpins (EC-Web, 2009)

A Service-Oriented Approach to Document-Centric Situational Collaboration Processes. - Nelly Schuster; Christian Zirpins; Stefan Tai; Steve Battle; Nils Heuer (WETICE, 2009)

Pattern-based e-service modelling for virtual service enterprises. - Christian Zirpins; Wolfgang Emmerich (Serv. Oriented Comput. Appl., 2009)

A Mashup Tool for Collaborative Engineering of Service-Oriented Enterprise Documents. - Nelly Schuster; Raffael Stein; Christian Zirpins (CAiSE Forum (Selected Papers), 2010)

The MoSaiC model and architecture for service-oriented enterprise document mashups. - Nelly Schuster; Christian Zirpins; Mathis Schwuchow; Steve Battle; Stefan Tai (Mashups, 2010)

Participatory Design of Public Sector Services. - Alan Hartman; Anshu N. Jain; Jay Ramanathan; Antonis Ramfos; Willem-Jan van den Heuvel; Christian Zirpins; Stefan Tai; Yannis Charalabidis; Aljosa Pasic; T. Johannessen (EGOVIS, 2010)

A Service Mashup Tool for Open Document Collaboration. - Nelly Schuster; Raffael Stein; Christian Zirpins; Stefan Tai (ICSOC, 2010)

Engineering Service-Oriented Applications 6th International Workshop WESOA 2010. - Christian Zirpins; George Feuerlicht; Winfried Lamersdorf; Guadalupe Ortiz 001 (ICSOC Workshops, 2010)

A Document-Centric Approach to Open Collaboration Processes. - Nelly Schuster; Christian Zirpins; Stefan Tai (ICWE Workshops, 2010)

On the Use of Feature Models for Service Design: The Case of Value Representation. - Erik Wittern; Christian Zirpins (ServiceWave Workshops, 2010)

An Extendable Toolkit for Managing Quality of Human-Based Electronic Services. - David Bermbach; Robert Kern; Pascal Wichmann; Sandra Rath; Christian Zirpins (Human Computation, 2011)

Reliable metering of commercial service mashups. - Christian Zirpins; Elmar Jakobs; Volker Kuttruff (Mashups/Dataview@ECOWS, 2011)

Seventh International Workshop on Engineering Service-Oriented Applications (WESOA 2011). - George Feuerlicht; Howard Foster; Winfried Lamersdorf; Guadalupe Ortiz 001; Christian Zirpins (ICSOC Workshops, 2011)

A Tool Suite to Model Service Variability and Resolve It Based on Stakeholder Preferences. - Erik Wittern; Christian Zirpins; Nidhi Rajshree; Anshu N. Jain; Ilias Spais; Konstantinos Giannakakis (ICSOC Workshops, 2011)

Validating Service Value Propositions Regarding Stakeholder Preferences. - Erik Wittern; Christian Zirpins (ICST Workshops, 2011)

DYNO: A notation to leverage dynamic network effects in PaaS ecosystems. - Ulrich Scholten; Robin Fischer; Christian Zirpins; Simone Scholten (SOCA, 2011)

How to balance flexibility and coordination? Service-oriented model and architecture for document-based collaboration on the Web. - Nelly Schuster; Christian Zirpins; Ulrich Scholten (SOCA, 2011)

Dynamic and Goal-Based Quality Management for Human-Based Electronic Services. - Robert Kern; Hans Thies; Christian Zirpins; Gerhard Satzger (Int. J. Cooperative Inf. Syst., 2012)

Introduction to the 8th International Workshop on Engineering Service-Oriented Applications (WESOA'12). - George Feuerlicht; Winfried Lamersdorf; Guadalupe Ortiz 001; Christian Zirpins (ICSOC Workshops, 2013)

Introduction to the 9th International Workshop on Engineering Service-Oriented Applications (WESOA'13). - George Feuerlicht; Winfried Lamersdorf; Guadalupe Ortiz 001; Christian Zirpins (ICSOC Workshops, 2013)

Consumer-Driven API Testing with Performance Contracts. - Johannes Stählin; Sebastian Lang; Fabian Kajzar; Christian Zirpins (ESOCC Workshops, 2016)

Situational Data-Analytics for the Web-of-Things. - Christian Zirpins (MOTA@Middleware, 2016)

Service feature modeling: modeling and participatory ranking of service design alternatives. - Erik Wittern; Christian Zirpins (Softw. Syst. Model., 2016)

Experiences on Migrating RESTful Web Services to GraphQL. - Maximilian Vogel; Sebastian Weber; Christian Zirpins (ICSOC Workshops, 2017)

Parallelized Training of Deep NN: Comparison of Current Concepts and Frameworks. - Sebastian Jäger; Hans-Peter Zorn; Stefan Igel; Christian Zirpins (DIDL@Middleware, 2018)

Dynamic Re-Configuration of Conversationally Initiated Automated Negotiations. - Robin Kloe; Thorsten Zylowski; Christian Zirpins (EDOC Workshops, 2020)

Towards a Peer-to-Peer Federated Machine Learning Environment for Continuous Authentication. - David Monschein; José Antonio Peregrina Pérez; Tim Piotrowski; Zoltán Nochta; Oliver P. Waldhorst; Christian Zirpins (ISCC, 2021)

A third-party replication service for dynamic hidden databases. - Stefan Hintzen; Yves Liesy; Christian Zirpins (Serv. Oriented Comput. Appl., 2021)

Optimized Throttling for OAuth-Based Authorization Servers. - Peter Schuller; Julia Siedl; Nicolas Getto; Sebastian Thomas Schork; Christian Zirpins (EDOC Workshops, 2022)

Towards a Metadata Management System for Provenance, Reproducibility and Accountability in Federated Machine Learning. - José Antonio Peregrina Pérez; Guadalupe Ortiz 001; Christian Zirpins (ESOCC Workshops, 2022)

Towards Data Governance for Federated Machine Learning. - José Antonio Peregrina Pérez; Guadalupe Ortiz 001; Christian Zirpins (ESOCC Workshops, 2022)

Publisher Correction to: A third-party replication service for dynamic hidden databases. - Stefan Hintzen; Yves Liesy; Christian Zirpins (Serv. Oriented Comput. Appl., 2022)

FL-APU: A Software Architecture to Ease Practical Implementation of Cross-Silo Federated Learning. - F. Stricker; José Antonio Peregrina Pérez; David Bermbach; Christian Zirpins (CoRR, 2025)