Jan Marco Leimeister
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Leimeister
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Jan Marco
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janmarco.leimeister@unisg.ch
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+41 71 224 3330
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  • Publication
    Socio-technical Design of Ubiquitous Computing Systems
    (Springer, 2014)
    David, Klaus
    ;
    Geihs, Kurt
    ;
    Leimeister, Jan Marco
    ;
    Roßnagel, Alexander
    ;
    Schmidt, Ludger
    ;
    Stumme, Gerd
    ;
    Wacker, Arno
    By using various data inputs, ubiquitous computing systems detect their current usage context, automatically adapt their services to the user's situational needs and interact with other services or resources in their environment on an ad-hoc basis. Designing such self-adaptive, context-aware knowledge processing systems is, in itself, a formidable challenge. This book presents core findings from the VENUS project at the Interdisciplinary Research Center for Information System Design (ITeG) at Kassel University, where researchers from different fields, such as computer science, information systems, human-computer interaction and law, together seek to find general principles and guidelines for the design of socially aware ubiquitous computing systems. To this end, system usability, user trust in the technology and adherence to privacy laws and regulations were treated as particularly important criteria in the context of socio-technical system design. During the project, a comprehensive blueprint for systematic, interdisciplinary software development was developed, covering the particular functional and non-functional design aspects of ubiquitous computing at the interface between technology and human beings. The organization of the book reflects the structure of the VENUS work program. After an introductory part I, part II provides the groundwork for VENUS by presenting foundational results from all four disciplines involved. Subsequently, part III focuses on methodological research funneling the development activities into a common framework. Part IV then covers the design of the demonstrators that were built in order to develop and evaluate the VENUS method. Finally, part V is dedicated to the evaluation phase to assess the user acceptance of the new approach and applications. The presented findings are especially important for researchers in computer science, information systems, and human-computer interaction, but also for everyone working on the acceptance of new technologies in society in general.
    Type: book
    DOI: 10.1007/978-3-319-05044-7
    URI: https://www.alexandria.unisg.ch/handle/20.500.14171/87460
  • Publication
    Connect-U: A System for Enhancing Social Networking
    (Springer International Publishing, 2014)
    Atzmueller, Martin
    ;
    Behrenbruch, Kay
    ;
    Hoffmann, Axel
    ;
    Kibanov, Mark
    ;
    Macek, Bjoern-Elmar
    ;
    Scholz, Christoph
    ;
    Skistims, Hendrik
    ;
    Söllner, Matthias
    ;
    Stumme, Gerd
    ;
    David, Klaus
    ;
    Geihs, Kurt
    ;
    Leimeister, Jan Marco
    ;
    Roßnagel, Alexander
    ;
    Schmidt, Ludger
    ;
    Stumme, Gerd
    ;
    Wacker, Arno
    The application of ubiquitous and social computational systems shows a rapidly increasing trend in our everyday environments: Enhancing social interactions and communication in both online and real-world settings is an important issue in a broad range of application contexts. This chapter describes the development of ubiquitous and social software for enhancing social networking. The Connect-U demonstrator features a class of such applications. In particular, it comprises the Conferator and MyGroup applications for enabling smarter social interactions in the context of conferences and working groups. We describe the applied socio-technical design process, and discuss experiences and lessons learned.
    Type: book section
    DOI: 10.1007/978-3-319-05044-7_15
    URI: https://www.alexandria.unisg.ch/handle/20.500.14171/87486
  • Publication
    System Evaluation
    (Springer International Publishing, 2014)
    Behrenbruch, Kay
    ;
    Kieselmann, Olga
    ;
    Schuldt, Michaela
    ;
    Söllner, Matthias
    ;
    Schmidt, Ludger
    ;
    David, Klaus
    ;
    Geihs, Kurt
    ;
    Leimeister, Jan Marco
    ;
    Roßnagel, Alexander
    ;
    Schmidt, Ludger
    ;
    Stumme, Gerd
    ;
    Wacker, Arno
    Ubiquitous applications are complex systems, and need to be evaluated with respect to their social compatibility in an encompassing and interdisciplinary approach. Interdisciplinary work bears the challenge of maintaining the strengths and specialities of each discipline while yielding consistent results at the same time. Also, the evaluation should be well-matched with other activities in the process of development. The presented system evaluation is designed to fulfill these goals as part of the VENUS Development Method . The system evaluation brings a development circle to a conclusion, and generates consistent results that facilitate decisions for next steps. The evaluation also yields suggestions for possible, further improvements. System evaluation unites four disciplines: usability engineering , trust engineering , legal compatible technology design , and security analysis . This chapter describes the starting points of each discipline, and derives an interdisciplinary approach which encompasses a concerted operating plan as well as contentual interdisciplinary cooperation. The system evaluation provides joint solutions for empirical work, but also leaves room for disciplinary analyses.
    Type: book section
    DOI: 10.1007/978-3-319-05044-7_17
    URI: https://www.alexandria.unisg.ch/handle/20.500.14171/87505
  • Publication
    User Model
    (Springer International Publishing, 2014)
    Behrenbruch, Kay
    ;
    Söllner, Matthias
    ;
    Schuldt, Michaela
    ;
    Schmidt, Ludger
    ;
    David, Klaus
    ;
    Geihs, Kurt
    ;
    Leimeister, Jan Marco
    ;
    Roßnagel, Alexander
    ;
    Schmidt, Ludger
    ;
    Stumme, Gerd
    ;
    Wacker, Arno
    The acceptance of ubiquitous systems differs between individuals. This chapter presents research results on this topic in the form of a user model that systematically describes the influence of personality factors on the acceptance of Ubiquitous Computing (UC). In addition to the traditional factors of acceptance, trust and the perceived legal certainty are considered in the model. The result connects user characteristics with the determinants of the acceptance for UC. The findings are based on surveys conducted with the application Meet-U . Potentialities for using the results to design acceptable applications are derived.
    Type: book section
    DOI: 10.1007/978-3-319-05044-7_4
    URI: https://www.alexandria.unisg.ch/handle/20.500.14171/87506
  • Publication
    Requirement Patterns to Support Socio-Technical System Design
    (Springer International Publishing, 2014)
    Hoffmann, Axel
    ;
    Söllner, Matthias
    ;
    Hoffmann, Holger
    ;
    Leimeister, Jan Marco
    ;
    David, Klaus
    ;
    Geihs, Kurt
    ;
    Leimeister, Jan Marco
    ;
    Roßnagel, Alexander
    ;
    Schmidt, Ludger
    ;
    Stumme, Gerd
    ;
    Wacker, Arno
    Type: book section
    URL: http://www.springer.com/us/book/9783319050430
    DOI: 10.1007/978-3-319-05044-7_11
    URI: https://www.alexandria.unisg.ch/handle/20.500.14171/87805
  • Publication
    Meet-U: Mobile Social Network
    (Springer International Publishing, 2014)
    Niemczyk, Stefan
    ;
    Kniewel, Romy
    ;
    Schulz, Thomas
    ;
    Söllner, Matthias
    ;
    David, Klaus
    ;
    Geihs, Kurt
    ;
    Leimeister, Jan Marco
    ;
    Roßnagel, Alexander
    ;
    Schmidt, Ludger
    ;
    Stumme, Gerd
    ;
    Wacker, Arno
    A major challenge for ubiquitous system design is to create applications that are legal compatible and accepted by their intended users. Today's European data protection principles especially contradict the ideas of ubiquitous computing. Additionally, users have to deal with unconventional interaction concepts that create unknown usage situations. Resulting uncertainties leads to a low amount of trust and acceptance in such systems. We apply the VENUS Development Method to develop a ubiquitous smartphone application, called Meet-U. The application supports users during the organization of meetings. We present our results from the development process. Furthermore, a laboratory experiment with 283 undergraduate students was performed to evaluate different disciplinary and multidisciplinary aspects.
    Type: book section
    DOI: 10.1007/978-3-319-05044-7_14
    URI: https://www.alexandria.unisg.ch/handle/20.500.14171/87970
  • Publication
    Understanding the Formation of Trust
    (Springer International Publishing, 2014)
    Söllner, Matthias
    ;
    Hoffmann, Axel
    ;
    Hoffmann, Holger
    ;
    Wacker, Arno
    ;
    Leimeister, Jan Marco
    ;
    David, Klaus
    ;
    Geihs, Kurt
    ;
    Leimeister, Jan Marco
    ;
    Roßnagel, Alexander
    ;
    Schmidt, Ludger
    ;
    Stumme, Gerd
    ;
    Wacker, Arno
    Type: book section
    URL: http://www.springer.com/us/book/9783319050430
    DOI: 10.1007/978-3-319-05044-7_3
    URI: https://www.alexandria.unisg.ch/handle/20.500.14171/88173
  • Publication
    Support-U: Designing an Ambient Assisted Living System Using Interdisciplinary Development Patterns
    (Springer International Publishing, 2014)
    Voigtmann, Christian
    ;
    Söllner, Matthias
    ;
    David, Klaus
    ;
    Leimeister, Jan Marco
    ;
    David, Klaus
    ;
    Geihs, Kurt
    ;
    Leimeister, Jan Marco
    ;
    Roßnagel, Alexander
    ;
    Schmidt, Ludger
    ;
    Stumme, Gerd
    ;
    Wacker, Arno
    Type: book section
    URL: http://www.springer.com/us/book/9783319050430
    DOI: 10.1007/978-3-319-05044-7_16
    URI: https://www.alexandria.unisg.ch/handle/20.500.14171/88214