@inproceedings{SchlegelTamm2009, author = {Schlegel, Martin and Tamm, Gerrit}, title = {Online Service Quality of Web-based E-Mail-Services: an Empirical Study for The German Market}, series = {42th Hawaii International Conference on System Science (HICSS-42), Hawaii}, booktitle = {42th Hawaii International Conference on System Science (HICSS-42), Hawaii}, url = {http://nbn-resolving.de/urn:nbn:de:0298-opus4-6566}, pages = {1 -- 10}, year = {2009}, abstract = {E-mail services represent an essential part of the IT landscape of enterprises. Besides in-house hosting, every company can make use of offers from specialized Application Service Providers (ASPs). Former research has shown a lack of transparency in the market for web-based services. This paper summarizes the results of a study on professional web-based e-mail services catering to the German-speaking market. This research mainly addresses following questions: What are the similarities and differences between the various services in the market? To which extent do the offered services meet a corporation's requirements? What kind of methodology can be used to analyze and to compare web-based services? And, with that in mind, do web-based e-mail-services represent a serious alternative to in-house hosting of e-mail-services? To answer these questions we compared information of selected service providers on the basis of a multi-scenario utility analysis.}, language = {en} } @inproceedings{WinklerKorolevaTamm2009, author = {Winkler, Till J. and Koroleva, Ksenia and Tamm, Gerrit}, title = {Wireless City Initiatives in Europe: towards a Service-Oriented Approach}, series = {2009 Conference on Techniques and Applications for Mobile Commerce, M{\´e}rida (Spain)}, booktitle = {2009 Conference on Techniques and Applications for Mobile Commerce, M{\´e}rida (Spain)}, pages = {36 -- 47}, year = {2009}, abstract = {The application of wireless technologies in urban areas is at the beginning of a transformation. While municipalities worldwide have invested in deploying wireless access infrastructures, the services which build up on these and add value for individuals and organizations are still at their early stage. Especially for European municipalities there is still a looming potential. This paper explores the current status of municipal wireless adoption in Europe based on the analysis of 25 initiatives in European metropolitan areas and derives a setup approach for wireless city initiatives which focuses on the definition and evaluation of innovative services. The approach includes overall design requirements, a generic stakeholder analysis as well as clusters for innovative wireless services and is illustrated by a case example of an ongoing wireless city project in Germany.}, language = {en} } @inproceedings{HartmannTakahashiMukameletal.1994, author = {Hartmann, Michael and Takahashi, Akira and Mukamel, Shaul and Schreiber, Michael}, title = {Soliton and Exciton Effects in Femtosecond Pump Probe Spectroscopy of Conjugated Polymers}, series = {International Conference on Excitonic Processes in Condensed Matter, Darwin}, booktitle = {International Conference on Excitonic Processes in Condensed Matter, Darwin}, url = {http://nbn-resolving.de/urn:nbn:de:0298-opus4-5859}, year = {1994}, abstract = {Keine Angabe - No details}, language = {en} } @inproceedings{HartmannTakahashiMukamel1994, author = {Hartmann, Michael and Takahashi, Akira and Mukamel, Shaul}, title = {Soliton and Exciton Effects on Photoexcited Conjugated Polymers}, series = {2nd International Topical Conference on Optical Probes of Conjugated Polymers and Fullerenes, Salt Lake City}, booktitle = {2nd International Topical Conference on Optical Probes of Conjugated Polymers and Fullerenes, Salt Lake City}, year = {1994}, abstract = {Keine Angabe - No details}, language = {en} } @inproceedings{WangTakahashiHartmannetal.1993, author = {Wang, Hong Xiang and Takahashi, Akira and Hartmann, Michael and Mukamel, Shaul}, title = {Quantum Confinement and Nonlinear Optical Response of Conjugated Molecules}, series = {International Symposia on Optoelectronic Packaging and Interconnects, Los Angeles}, booktitle = {International Symposia on Optoelectronic Packaging and Interconnects, Los Angeles}, url = {http://nbn-resolving.de/urn:nbn:de:0298-opus4-5911}, year = {1993}, abstract = {Keine Angabe - No details}, language = {en} } @inproceedings{HartmannSchaeferSchmittRink1991, author = {Hartmann, Michael and Sch{\"a}fer, Wilfried and Schmitt-Rink, Stefan}, title = {Time-resolved and time-integrated four-wave-mixing signals of two-dimensional magneto-excitons}, series = {International Meeting on Optics of Excitons in Confined Systems, Giardini Naxos}, booktitle = {International Meeting on Optics of Excitons in Confined Systems, Giardini Naxos}, year = {1991}, abstract = {Keine Angabe - No details}, language = {en} } @inproceedings{HamannTammKaempfer2013, author = {Hamann, Lisa and Tamm, Gerrit and K{\"a}mpfer, Sascha}, title = {Analysis and comparison of existing maturity models for business processes}, series = {IADIS e-Society 2013 Conference, Lisbon}, booktitle = {IADIS e-Society 2013 Conference, Lisbon}, year = {2013}, abstract = {The continuous optimization of business processes is becoming an increasingly important factor for a company's long-term success. Maturity models for business processes aim at maintaining a distinct quality of processes and help to determine the maturity level of the processes and the company's maturity. Previous research has shown the lack of transparency and standardization for maturity models. In particular, existing maturity models were not scientifically compared and evaluated among themselves. Uncertainty and unawareness in selection and application of adequate maturity models can be observed in applied science and practice. The aim of the scientific work was to evaluate existing business process maturity models in terms of strengths and weaknesses in order to provide a comprehensive and reliable knowledge-based on specific evaluation criteria setting. The conclusions have been used to take advantage of one of the pre-chosen models to measure the maturity of a business process. The examined models were CMMI, BPMM-OMG, PEMM and EDEN. The applied methodology consists of literature research, empirical findings and practical application. The empirical findings comprise a purpose-made questionnaire and an outcome weighted in terms of importance and / or appliance. A particular challenge of the research was to compare the different maturity models based on their criteria, scales and general scope.}, language = {en} } @inproceedings{Towers2013, author = {Towers, Ian}, title = {It didn't work out like we thought it would: understanding unwanted outcomes of a planned organizational change}, series = {XXXIII Sunbelt Social Networks Conference of the International Network for Social Network Analysis (INSNA), Hamburg}, booktitle = {XXXIII Sunbelt Social Networks Conference of the International Network for Social Network Analysis (INSNA), Hamburg}, year = {2013}, abstract = {Keine Angabe No details}, language = {en} } @inproceedings{Towers2013, author = {Towers, Ian}, title = {Organizational Change: Processes and Levels}, series = {15th IAMB Conference, Lisbon}, booktitle = {15th IAMB Conference, Lisbon}, year = {2013}, abstract = {Keine Angabe No details}, language = {en} } @inproceedings{TowersTernes2013, author = {Towers, Ian and Tern{\`e}s, Anabel}, title = {Change journeys, language and reflexivity}, series = {8th International Conference in Critical Management Studies, Manchester}, booktitle = {8th International Conference in Critical Management Studies, Manchester}, year = {2013}, abstract = {When planned organisational change happens, the members of the organisation experience it in different ways at different times. Their "change journeys" begin with the original response to the change initiative and they pass through a sequence of steps from the initial realisation that there is a discrepancy or inconsistency with pre-existing schemas (i.e. when the individual learns of a change, or perceives that there has been a change) to an actual change in their own schemas (George and Jones, 2001), which is the point where the change journey has (temporarily) ended and the destination been reached. Such a journey becomes possible when individuals start to question their own position(s) in regard to the change, when they start taking into account their own reactions to it together with developments and responses to the change initiative at the meso and macro-level over time. As individuals reach different understandings about themselves during the change process, their change journey itself changes: they may set out for a new destination, or continue to the original destination but follow a different route. Much of the literature on reactions to change ignores the tendency of individuals to pay attention to their own reasons for how they react and tends to view responses to change-especially resistance- almost as an involuntary reflex rather than as part of a complex process of interpretation and action carried out by self-aware individuals. This paper reports on how reflexivity is a vital aspect of the change journey. We carried out a longitudinal, multi-level qualitative study of a planned change initiative at PCo, the Canadian subsidiary of a European pharmaceutical company, which involved the introduction of a new organisational structure- the creation of a matrix structure. Grounded theory was used to guide the research. More than sixty in-depth interviews were carried out over a period of eighteen months. The data from these interviews were supplemented by quantitative data. We describe how members of the organisation thought through what the change was "really" about and what it meant for them. They told stories and passed on anecdotes, which provided a way of demonstrating their own analysis of the change and their role in it, and of then building on this in order to achieve particular goals, like simply securing their own position or moving up the career ladder. We show that there was an element of playfulness in these processes. The employees analysed their own position and changed this according to developments in their groups and in the organisation. For some, it was like playing a game where they had to react to what was going on and change their tactics and strategy. This could then meant replanning their own change journeys. In analysing this process, we pay particular attention to the role of language. Language is not simply a mechanism of communication, but rather a fundamental aspect of organisation and organising (eg Westwood and Linstead, 2001). One view is that organisation exists only through language, leading to views of organisation as text, or as narrative, or as constituted in discourse (e.g. Mumby and Clair, 1997). So there is great value at investigating discourse during change processes because language, in the form of conversations, stories and rumours, is a significant factor in the way change is conceptualised (Balogun and Johnson, 2005). Conversation - "language-based interactions of individuals within organisations" (Woodilla, 1998: 33)- is one of the most common forms of communication in the workplace. Studies of managerial activities (e.g. Mintzberg, 1973) have shown that managers spend a large part of their time in carrying out oral communications. The act of conversation and the content of conversation produce action (Hardy et al., 2000), which indicates why conversations can play an important part in a change process. The way in which organisational members negotiate meaning in the change process is through discursive practices and textual objects (Anderson, 2005). Indeed, coherent language use can play a significant role in the outcome of change initiatives (Sillince, 1999) and there are fragmented and competing discourses within an organisation during a change process. Stories play a significant role in the creation and maintenance of meaning in organisations. Stories are passed from one person to another through conversation, and storytelling is "something done around the water cooler" (Boje at al., 2001: 166). The informal nature of storytelling does not mean that it is not important. Boje (1991) shows how the use of stories enabled change to take place, as when an executive's storytelling enabled him to convince colleagues to move in new direction. Indeed, Tsoukas (2005) argues that organisational change is the process of constructing and sharing new meanings and interpretations of organisational activities. Discourse, then, is a mechanism through which change happens and through which change journeys are planned and re-planned and made. The members of an organisation use discourse in all its various forms to reflect on and change (or not) their own position and to influence the change journeys of others.}, language = {en} } @inproceedings{TowersTernes2013, author = {Towers, Ian and Tern{\`e}s, Anabel}, title = {Become a responsible manager by watching TV}, series = {27th Annual Conference Managing to Make a Difference, Liverpool}, booktitle = {27th Annual Conference Managing to Make a Difference, Liverpool}, year = {2013}, abstract = {Keine Angabe No details}, language = {en} } @inproceedings{TowersTernesShauchenka2013, author = {Towers, Ian and Tern{\`e}s, Anabel and Shauchenka, Natallia}, title = {Testing the impact of gamification on the interest in urban planning}, series = {12th Annual Worldwide Forum on Education and Culture, Rome}, booktitle = {12th Annual Worldwide Forum on Education and Culture, Rome}, year = {2013}, abstract = {Keine Angabe No details}, language = {en} } @inproceedings{IbachTammHorbank2005, author = {Ibach, Peter and Tamm, Gerrit and Horbank, Matthias}, title = {Dynamic Value Webs in Mobile Environments Using Adaptive Location-Based Services}, series = {38th Hawaii International Conference on System Sciences (HICSS-38 2005), Hawaii}, booktitle = {38th Hawaii International Conference on System Sciences (HICSS-38 2005), Hawaii}, year = {2005}, abstract = {Web Services appear promising to facilitate interoperability and enable Dynamic Value Webs - the on-demand aggregation of services even across enterprise boundaries. However, past experiences have shown interoperability limitations in practice mainly due to information asymmetries on the Web Services markets. This Paper describes a service-oriented architecture for building Dynamic Value Webs in mobile environments using adaptive Location-Based Services. Our concept addresses the following three predominant difficulties: (1) service adaptivity to changing conditions in mobile environments, (2) interoperability including higher levels of semantics, and (3) assuring trustworthiness to all affected parties.}, language = {en} } @inproceedings{HochsteinTammBrenner2005, author = {Hochstein, Axel and Tamm, Gerrit and Brenner, Walter}, title = {Service-oriented IT-Management: benefit, Cost and Success Factors}, series = {13th European Conference on Information Systems (ECIS 2005), Regensburg}, booktitle = {13th European Conference on Information Systems (ECIS 2005), Regensburg}, year = {2005}, abstract = {Due to an enhanced customer focus in the planning, development and delivery of IT services, service-oriented IT management has become increasingly important. This paper investigates to what effect service-oriented IT management has already been put into place in European companies. Benefit and cost categories of integrating service-oriented principles into IT management processes are analyzed. Additionally success factors for implementing serviceoriented IT management are investigated. For this purpose, six case studies were conducted. The situation of IT management before and after implementation was analyzed and comments are made on the corresponding transformation projects. Based on the case studies, this paper shows three typical benefit categories of service-oriented IT management. Eight cost categories for implementing and operating service-oriented IT management processes are discussed and six success factors of pertinent re-organization projects are identified. Findings can serve as guidelines for other IT organizations and can be used as enabler for getting informed decisions regarding the initiation of service-oriented IT management. Finally, the article highlights four current trends for service-oriented IT management and further research is outlined.}, language = {en} } @inproceedings{TammZarnekow2005, author = {Tamm, Gerrit and Zarnekow, R{\"u}diger}, title = {Umsetzung eines ITIL-konformen IT-Service-Support auf der Grundlage von Web-Services}, series = {7. Internationale Tagung Wirtschaftsinformatik, Bamberg}, booktitle = {7. Internationale Tagung Wirtschaftsinformatik, Bamberg}, year = {2005}, abstract = {Die Umsetzung von IT-Service-Support-Prozessen auf der Basis des Referenzmodells IT Infrastructure Library (ITIL) geschieht in vielen Unternehmen derzeit mit hoher Priorit{\"a}t. Obwohl zur Unterst{\"u}tzung der Support-Prozesse eine Vielzahl von Softwarel{\"o}sungen zur Verf{\"u}gung stehen, basieren diese heute nicht auf Service-orientierten-Architekturen. Die Vorteile einer Service-orientierten-Architektur werden daher im Rahmen des IT-Service-Supports nicht genutzt. Der Beitrag zeigt am Beispiel eines zentralen ITIL-Support-Prozesses, dem Incident-Management, wie dieser technisch auf der Basis von Web-Services umgesetzt werden kann. Die Grundlage bilden sechs Fallstudien, in denen die Gestaltung ITIL-basierter Support-Prozesse untersucht wurde. Aufbauend auf den Fallstudien wird ein generischer Incident-Management-Prozess definiert und mit Hilfe von Web-Services umgesetzt. Dabei kommen sowohl atomare als auch aggregierte Web-Services zum Einsatz. F{\"u}r ein konkretes Service-Anliegen wird der Prozessablauf grafisch beschrieben. Die Umsetzung erfolgt exemplarisch unter Zuhilfenahme der Web Services Description Language (WSDL).}, language = {de} } @inproceedings{Ternes2013, author = {Tern{\`e}s, Anabel}, title = {Sustainable Customer Service as Success Factor in the Airline Sector}, series = {1st International Civil Aviation Symposium (ICAS), Cairo}, booktitle = {1st International Civil Aviation Symposium (ICAS), Cairo}, year = {2013}, abstract = {A high number of airlines has been switching its business concept from fixed prices for economy or business class to a system of bundles, where customers can choose among a different set of services and book flights to different prices, depending on their individual preferences. This paper aims at finding out which services are those consumers regard as most important and what therefore makes an airline a sustainable choice in terms of service. For that purpose a survey has been conducted for approx. one week, where participants have answered a set of questions online and offline. In the second chapter, the authors will explain certain ground assumptions of online consumers, stressing the importance of user-friendly websites as well as the cost of the most popular extra services offered by regular airlines and also low-cost carriers. Keeping this in mind, the survey's results will be presented in chapter four. 105 participants gave their opinion on what makes an airline's service sustainable to them, the result being a mixture of good cabin crew soft skills, a minimum degree of comfort and efficiency throughout the whole time of purchasing a flight, being on board and leaving the aircraft. A user-friendly booking procedure as well as being able of leaving the airplane fast and receiving its luggage without further waiting has - according to the survey - won over seats in the front row, high-quality menus and entertainment programs. Even the sustainability aspect having been regarded as a factor of high-quality services, is not a major criterion for travelers. What in most cases makes an airline sustainable for passengers is friendly personnel. The bundle systems are preferred, since the cabin crew aspect has not vanished completely in the airline sector, even among low budget airlines. To receive transparency and flexibility when booking a flight, saving money but knowing that a certain quality will almost always be delivered through soft skills on board could be the reason why passengers feel more comfortable with the new business concepts.}, language = {en} } @inproceedings{Ternes2012, author = {Tern{\`e}s, Anabel}, title = {Communication Conflicts and Social Media: on the Communication Culture of Contributors in Social Media Platforms}, series = {2nd Global Conference Commmunication \& Conflict, Salzburg}, booktitle = {2nd Global Conference Commmunication \& Conflict, Salzburg}, year = {2012}, abstract = {Keine Angabe - No details}, language = {en} } @inproceedings{TernesMittelstaedt2013, author = {Tern{\`e}s, Anabel and Mittelst{\"a}dt, Alexandra}, title = {Using Facebook for Political Action?: social Networking Sites and Political Participation of Young Adults}, series = {(Mis)Understanding Political Participation: ECREA Symposium, M{\"u}nchen}, booktitle = {(Mis)Understanding Political Participation: ECREA Symposium, M{\"u}nchen}, year = {2013}, abstract = {Keine Angabe - No details}, language = {en} } @inproceedings{Ternes2013, author = {Tern{\`e}s, Anabel}, title = {Management of crisis situations: employee communication in Internet}, series = {The knowledge-based organization in the era of globalization and internationalization, Poprad}, booktitle = {The knowledge-based organization in the era of globalization and internationalization, Poprad}, year = {2013}, abstract = {Keine Angabe - No details}, language = {en} } @inproceedings{TernesShauchenkaTowers2014, author = {Tern{\`e}s, Anabel and Shauchenka, Natallia and Towers, Ian}, title = {Storytelling: how can storytelling improve sustainable thinking and acting in companies}, series = {4th Global Conference on Living Responsibly: ethical Issues in Everyday Life, Lisbon}, booktitle = {4th Global Conference on Living Responsibly: ethical Issues in Everyday Life, Lisbon}, year = {2014}, abstract = {We discussed the realisation of corporate social responsibility and responsible living in general with employers and employees in different companies and organisations. We found out, that most of the participants think, that they know too little about the corporate social responsibility activities of their company, evaluate the atmosphere as not really good and don't see their own responsibility. Also they mentioned, that the employees mostly talk with each other about emotions and stories, less about facts and information. In the discussion all agreed, that it would be much more effective, if information about social responsibility is delivered by stories—by storytelling. We prove this by a questionnaire, where we give the participants the same information about employees social and corporate social activities in a short news with numbers and also in the form of storytelling. We ask them, which text they would tell their friends, neighbours or colleagues and which text would attract them at most to motivate themselves for acting more responsible. We also ask the employees how they think this could be realised. With the result we can show, how you can sensitize and activate people for bringing more attention, awareness and activity to a more responsible living inside and outside companies.}, language = {en} }