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Enabling Social Network Analysis in Distributed Collaborative Software Development SENSE 09 workshop in Kaiserslautern Tommi Kramer

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Agenda <ul><li>Introduction </li></ul><ul><li>Foundations and Technology </li></ul><ul><li>Solution Design and Implementation </li></ul><ul><li>Conclusion and Discussion </li></ul>

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Introduction <ul><li>Problem statement </li></ul><ul><ul><li>Functional and technological complexity of globally distributed SE </li></ul></ul><ul><ul><li>Social dependencies evolve around shared artifacts and involved stakeholders </li></ul></ul><ul><ul><li>Social Networks as facilitating factor in distributed SE projects </li></ul></ul>

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Introduction <ul><li>Research Objective </li></ul><ul><ul><li>Development of techniques for extracting data from collaborative development environments </li></ul></ul><ul><ul><li>Use and adaption of existing metrics for calculating Social Networks within distributed SE projects </li></ul></ul><ul><ul><li>Enhancement of existing Tra ce- Vis ualization-Tool (TraVis) </li></ul></ul>

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Introduction <ul><li>Methodology </li></ul><ul><ul><li>Design Science Research (Hevner et al., 2004) </li></ul></ul>

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<ul><li>Methodology </li></ul>Introduction Improving Traceability in Distributed Collaborative Software Development – A Design Science Approach ( Hildenbrand 2008)

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Agenda <ul><li>Introduction </li></ul><ul><li>Foundations and Technology </li></ul><ul><li>Solution Design and Implementation </li></ul><ul><li>Conclusion and Discussion </li></ul>

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Foundations and Technology <ul><li>TraVis 2.0 as a tool for wholistic trace visualization and rationale information </li></ul><ul><ul><li>Based on Java WebStart-Technology </li></ul></ul><ul><ul><li>Using Hessian Web Services for data exchange with Codebeamer </li></ul></ul><ul><ul><li>Intland Codebeamer Platform for collaborative SE </li></ul></ul><ul><li>Existing metrics for Social Network Analysis </li></ul><ul><ul><li>Betweenness > important for information flow </li></ul></ul><ul><ul><li>Diameter > degree of closeness among project members </li></ul></ul><ul><ul><li>Distance > describes information costs </li></ul></ul><ul><li>Adaption of metrics to TraVis data and data structure as well as extending TraVis GUI </li></ul>

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Foundations and Technology Codebeamer platform TraVis 2.0

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Agenda <ul><li>Introduction </li></ul><ul><li>Foundations and Technology </li></ul><ul><li>Solution Design and Implementation </li></ul><ul><li>Conclusion and Discussion </li></ul>

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Solution Design and Implementation <ul><li>Social Network Analysis - Algorithm </li></ul>

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Solution Design and Implementation <ul><li>Use Case: Expertise Location </li></ul>

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Solution Design and Implementation <ul><li>Use Case: Co-worker Awareness </li></ul>This is me!

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Solution Design and Implementation <ul><li>Integrated GUI </li></ul><ul><ul><li>Group clustering </li></ul></ul><ul><ul><li>Detailed user informations </li></ul></ul><ul><ul><li>Role filtering </li></ul></ul><ul><ul><li>SNA data </li></ul></ul><ul><ul><li>Visual highlighting </li></ul></ul>

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Agenda <ul><li>Introduction </li></ul><ul><li>Foundations and Technology </li></ul><ul><li>Solution Design and Implementation </li></ul><ul><li>Conclusion and Discussion </li></ul>

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Conclusion and Discussion <ul><li>Social Network Analysis was integrated in TraVis for a better understanding of project members' social environment consisting of socio-technical interrelations </li></ul><ul><li>Better awareness of a project's communication channels for project leads by highlighting the connections among team members </li></ul><ul><li>Increasing successful communication and collaboration of project workers by easily finding experts </li></ul><ul><li>Outlook and further research : </li></ul><ul><ul><li>Improving GUI, e.g. in terms of adding more role-based views and alternative visualizations of socio-technical dependencies </li></ul></ul><ul><ul><li>Trying to anticipate a user‘s navigation and enable intuitive navigation </li></ul></ul><ul><ul><li>Platform independence by importing functionality </li></ul></ul>

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Questions?

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References <ul><li>Andreas Becks, Tim Reichling, and Volker Wulf. Expertise Finding: Approaches to Foster Social Capital. Social Capital and Information Technology, pages 333–354, 2004. </li></ul><ul><li>Alan R. Hevner, Salvatore T. March, Jinsoo Park, and Sudha Ram. Design Science in Information Systems Research. MIS Quarterly, 28(1):75–105, 2004. </li></ul><ul><li>Tobias Hildenbrand. Improving Traceability in Distributed Collaborative Software Development - A Design Science Approach. Dissertation, University of Mannheim, Germany, Mannheim, Germany, 2008. </li></ul><ul><li>Tobias Hildenbrand, Michael Geisser, Lars Klimpke, and Thomas Acker. Designing and Implementing a Tool for Distributed Collaborative Traceability and Rationale Management. In Proceedings of the Multikonferenz Wirtschaftsinformatik (MKWI’08), Munich, Germany, 2008. accepted for publication. </li></ul><ul><li>Luis Lopez-Fernandez, Gregorio Robles, Jesus M. Gonzalez-Barahona, and Israel Herraiz. Applying Social Network Analysis Techniques to Community-Driven Libre Software Projects. Int. J. of Information Technology and Web Engineering, Universidad Rey Juan Carlos, Spain, 2006-09:22, 2006. </li></ul><ul><li>I. Nonaka and H. Takeuchi. Knowledge Creating Company, volume 77. Harvard Business Review, 1995. </li></ul><ul><li>Balasubramaniam Ramesh and Matthias Jarke. Towards Reference Models for Requirements Traceability. IEEE Transactions on Software Engineering, 27(1):58–93, 2001. </li></ul>