Continuous Software Engineering with Special Emphasis on Continuous Business-Process Modeling and Human-Centered Design

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1 Continuous Software Engineering with Special Emphasis on Continuous Business-Process Modeling and Human-Centered Design Peter Forbrig University of Rostock Chair in Software Engineering

2 Outline Introduction Continuous Software Engineering Agile Software Development Human-Centered Design Process Business Process Modeling Combining Agile & HCD & BP Modeling Summary & Outlook

3 Introduction Software is still developed by at least two different communities Software engineers (Customer-Centered Design) HCI specialists (User-Centered Design) Idea of agile software development is accepted by both communities A joined vision of the development process is still missing Joined modeling might be a solution.

Design) Idea of agile software development is accepted by both communities A

5 Life Cycle for BPM Linear BPM versus Nonlinear BPM (from Fleischmann, A., Schmidt, W., and Stary, C [5])

6 Agile Life Cycle- SCRUM

HUMAN-Centred Design Process ISO 9241 210

7 HUMAN-Centred Design Process ISO

8 Agile Usability Patterns for HCD Early Stages (Bertholdo et al. [2], In Marcus A. (Ed.) DUXU 2014 Part I; LNCS 8517, pp ) Sprint Zero A short Sprint before the code implementation to define a broader view of the product, general goals, to roughly plan the next sprints and to define design principles because of Missing the big picture of the system in the beginning.... One Sprint Ahead The UX team works at least one iteration ahead of the development team because of Making the development and the UX team synchronized, that both can collaborate and provide input to the development workflow. Parallel Tracks UX or usability team work in a parallel track with the development team in order to synchronise their activities. 8

because of Missing the big picture of the system in the beginning.

9 Integration of Agile Development and HCD Sy, D.: Adapting usability investigations for agile user-centered design. J. Usability Stud. 2 (3), pp , 2007.

10 Agile User-Centered Design Process (Paelke, V. and Nebe, K. Integrating Agile Methods for Mixed Reality Design Space Exploration. In Proceedings of the 7th ACM conference on Designing interactive systems (DIS '08). ACM, New York, NY, USA, pp

11 Suggested Human-Centered Design Process for SCRUM

12 Cross Pollination of HCD & Business- Process Modeling HCD is closely related with modeling (users, tasks, domain, ) BP models are often developed separately BP modeling & HCD should be based on the same kind of models Task models could be used as unification of classical task trees and BPM specifications Transformations into different representations Model-driven approaches might help to explore design alternatives

kind of models Task models could be used as unification of classical task trees and BPM specifications

13 Model-Driven UI Development

14 TERESA Approach

15 Generation of UI-Alternatives by Pattern Transformation UI-Pattern Explorer

16 Continuous Software Engineering (Fitzgerald, B. and Stol, K.-J.: Continuous software engineering and beyond: trends and challenges. In Proc. 1st International Workshop on Rapid Continuous Software Engineering RcoSE 2014, ACM, New York, NY, USA, pp. 1-9.)

17 Suggested Refinement Continuous Human-Centered Design Continuous Planning Continuous Requirements Engineering Continuous Business Process Modeling

18 Summary and Outlook Summary Human-Centred versus Customer-Centred Agile Development, HCD & BP Modelling Tool support for HCD Influences of Agile Development, HCD & BP Modeling Outlook Continuous Software Engineering Projects last as long as software is used Size of project teams adapts to amount changes Monitoring the running system Observing and interviewing users at runtime Integrating HCD and BPM Process into development process Longer Lasting Cycles One HCD Cycle Lasts two Development Cycles One HCD Cycle Lasts three Development Cycles

project teams adapts to amount changes Monitoring the running system Observing and interviewing users at runtime Integrating HCD and BPM

19 Thank you very much for your attention! Continuous Software Engineering with Special Emphasis on Continuous Business-Process Modeling and Human-Centered Design Peter Forbrig University of Rostock Chair in Software Engineering

Continuous Business-Process Modeling and Human-Centered

Managing the Agile Process of Human-Centred Design and Software Development. Peter Forbrig & Michael Herczeg. Universität Rostock & Universität Lübeck

Managing the Agile Process of Human-Centred Design and Software Development Peter Forbrig & Michael Herczeg Universität Rostock & Universität Lübeck Outline Introduction Influences Agile Software Development