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International Journal on Advances in Systems and Measurements, vol 5 no 3 & 4, year 2012, http://www.iariajournals.org/systems_and_measurements/ well as comments and questions that participants asked during training. Data were analyzed according to the research questions and lessons learnt from researchers’ viewpoint were presented as a part of the analysis. This case study included certain limitations. First, regarding internal validity, data were collected using qualitative research methods. Quantitative methods, such as a customer satisfaction survey on service desk could have provided a richer view on the organization. However, the qualitative case study method is well-suited to research business process-related challenges in organizational context. Additionally, we used a rich set of data sources and three researchers to build a detailed view of the organization and its customer support. Second, concerning case selection and external validity, the case organization was a partner of the software engineering unit’s research project. Thus, convenience sampling was used as a sampling strategy. It is a generally accepted way to obtain case organizations. Third, this study included one service area of the case organization. A larger number of cases and comparison between them based on the preselected categories would have increased the quality of case study. This study can act, for example, as a pilot case study for further studies. During the study we identified several targets for further research. Further research could explore, for example, the role of social media in service desks, impact of service desk improvements on the business, or IT service management process assessment tools. ACKNOWLEDGMENT This paper is based on research in KISMET project funded by the National Technology Agency TEKES (no. 70035/10), European Regional Development Fund (ERDF), and industrial partners. We would also like to acknowledge research contribution from University of Southern Queensland, Australia and Griffith University, Australia in this study. REFERENCES [1] M. Jäntti, “Examining challenges in it service desk system and processes: A case study,” in Proceedings of the 7th International Conference on Systems 2012 (ICONS2012). CPS Publishing, 2012, pp. 105–108. [2] J. Peppard, “Managing it as a portfolio of services,” European Management Journal, vol. 21, no. 4, pp. 467–483, August 2003. [3] C. Shaw and J. Ivens, Building Great Customer Experiences. Palgrave-Macmillan, 2005. [4] P. Bernard, Foundations of ITIL. Zaltbommel, Netherlands: Van-Haren Publishing, 2012. [5] L.-J. Zhang, J. Zhang, and H. Cai, Services Computing. 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[20] ISO/IEC, TR 20000-4:2010 - Information technology - Service management - Part 4: Process Reference Model. Geneva, Switzerland, International Organization for Standardization, 2010. [21] A. Mesquida, A. Mas, E. Amengual, and J. Calvo-Manzano, “It service management process improvement based on iso/iec15504: A systematic review,” Information and Software Technology, vol. 54, no. 3, 2012. [22] ISO/IEC 2004, ISO/IEC 15504-2:2004 - Information technology - Process Assessment - Part 2: Performing an Assessment. Geneva, Switzerland, International Organization for Standardization, 2004. 2012, © Copyright by authors, Published under agreement with <strong>IARIA</strong> - www.iaria.org 214
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