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15th IEEE Conference on Business Informatics, IEEE CBI 2013

作者： Krathu, Worarat Engel, Robert Pichler, Christian Zapletal, Marco Werthner, Hannes Institute of Software Technology and Interactive Systems Vienna University of Technology Austria

ISBN: (纸本)9780768550725

Inter-organizational relationships (IORs) are important for creating business potential and increasing business performance. The evaluation of IORs is necessary for analyzing the collaboration between businesses as well as for assessing business partners. However, the evaluation of IORs is ambiguous since it is usually measured by success factors, such as trust and information sharing, which are difficult to be measured quantitatively. In this paper, we propose using quantifiable Key Performance Indicators (KPIs) for measuring success factors. We aim to identify KPIs in inter-organizational scenarios where information is exchanged electronically based on EDIFACT message types. In particular, we i) derive inter-organizational KPIs and propose guidelines for their calculation from EDIFACT data elements, and ii) aggregate these KPIs to define quantitative measurements reflecting inter-organizational success factors. Therefore, we first define a method for the systematic selection of suitable data elements from EDIFACT message types based on frequency analysis. Second, we consider the semantics of data elements and message types in defining KPIs. Having these KPIs at hand supports the quantitative evaluation of success factors which in turn enables the evaluation of IORs. © 2013 IEEE.

关键词： Electronic data interchange

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Astera - A generic model for semantic multimodal information retrieval

Astera - A generic model for semantic multimodal information...

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Workshop on Integrating IR Technologies for Professional Search, IRPS 2013

作者： Sabetghadam, Serwah Lupu, Mihai Rauber, Andreas Institute of Software Technology and Interactive Systems Vienna University of Technology Austria

Finding useful information from large multimodal document collections such as the WWW is one of the major challenges of Information Retrieval (IR). The many sources of information now available - text, images, audio, video and more - increases the need for multimodal search. Particularly important is also the recognition, that each information item is inherently multimodal (i.e. has aspects in its information character that stem from different modalities) and forms part of a networked set of related information items. In this paper we propose a graph-based model for multimodal information retrieval based on a faceted view of information objects. For retrieval purposes, we consider both relatedness and similarity relations between objects. Copyright © by the paper's authors.

关键词： Information retrieval

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Making UML "hip": A first experience report on using modern teaching tools for object-oriented modelling

Making UML "hip": A first experience report on using modern ...

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2013 MODELS Educators' Symposium, EduSymp 2013, co-located with ACM/IEEE 16th International Conference on Model Driven Engineering Languages and systems, MODELS 2013

作者： Scholz, Marion Kaufmann, Petra Seidl, Martina Institute of Software Technology and Interactive Systems Vienna University of Technology Austria

We steadily aim at improving our first year's university course Introduction to Object-Oriented Modelling. To that end we explore how technological teaching support may be used to extend the classical class- room experience for the students. For several years, we used Web-based out-of-the-box e-learning tools for providing additional teaching support. This solution works well, but has some severe restrictions. In this paper, we show how to overcome these restrictions with a custom implementation. Further, we are now starting to explore mobile facilities as offered by smartphone Apps as well as social media facilities in order to enhance the learning experience in our modelling course. We report on our first experiences with these kinds of technologies.

关键词： Teaching

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Visual analysis of compliance with clinical guidelines 13

Visual analysis of compliance with clinical guidelines

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13th International Conference on Knowledge Management and Knowledge Technologies, i-KNOW 2013

作者： Bodesinsky, Peter Federico, Paolo Miksch, Silvia Institute of Software Technology and Interactive Systems Vienna University of Technology Vienna Austria

ISBN: (纸本)9781450323000

Clinical guidelines provide recommendations in the form of applicable actions in a specific clinical context. Computer Interpretable Guidelines (CIG) aim to achieve guideline integration into clinical practice to increase health care quality. Analyzing the compliance with a CIG can facilitate the implementation and assist in the design of CIGs, but to help medical experts in the detection of patterns in the wealth of the data is a challenging task. We suggest an approach based on visual analytics, intertwining interactive visualization and automated data analysis i.e. analysis of compliance with a CIG. Our solution covers highlighting and abstraction for time-oriented patient parameters, and aggregation of repeatedly missing actions into intervals;in addition valid, invalid, and missing actions are represented visually. Furthermore, we discuss a case study showing how the applied techniques can assist in the detection of interesting patterns. © 2013 ACM.

关键词： Medical information systems

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Current work practice and users' perspectives on visualization and interactivity in business intelligence

Current work practice and users' perspectives on visualizati...

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2013 17th International Conference on Information Visualisation, IV 2013

作者： Aigner, Wolfgang Institute of Software Technology and Interactive Systems Vienna University of Technology Vienna Austria

ISBN: (纸本)9780769550497

Business Intelligence (BI) provides methods for analyzing business-critical information and supports decision-making processes. Interactivity or the possibility to engage in an active discourse with the representation lies at the core of Information Visualization and Visual BI. However, current work practice and users' perspectives on visualization and interactivity in BI have not been investigated yet. As a first step in this direction, a qualitative empirical study was conducted among six IT-managers working in the field of BI. Main results are that interactive visual methods in BI are not used very often in practice. One of the main reasons reported is the fact that visualization is still two steps ahead and at the moment mostly more basic problems concerning data gathering, data modeling and data quality prevail. Moreover, most users are used to work with numbers and tables and are not aware of the possibilities in terms of visualization. However, the interviewed IT-managers acknowledged that using more interactive visual methods in BI would be beneficial for users. © 2013 IEEE.

关键词： Visualization

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From project-oriented to service-oriented software development: an industrial experience guided by a service reference model

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Journal of software Engineering Research and Development 2014年第1期2卷 1-21页

作者： Marcos Kalinowski Stefan Biffl Rodrigo Oliveira Spínola Sheila Reinehr Federal University of Juiz de Fora Rua José Kelmer s/n Juiz de Fora Brazil Institute of Software Technology and Interactive Systems CDL-Flex- Vienna University of Technology Vienna Austria University of Salvador Salvador Brazil Catholic University of the State of Paraná Curitiba Brazil

In organizations with software systems in production, new and often unexpected requirements for development come up due to strategic, tactical, and operational customer needs. In this context, it is a strategic advantage for software suppliers to be able to provide software services that meet these demands faster and with less overhead than negotiating traditional value-neutral project-oriented software deliveries. This article reports on the industrial experience of restructuring the supplier-side software development process into a value-based service-oriented format, guided by a service reference model. A service level agreement (SLA) was established between supplier and customer reflecting the business needs and values. The report describes the contractual aspects and internal managerial controls employed to facilitate the compliance of the provided services with the SLA, including the integrated use of a managerial spreadsheet, an issue-tracking system, and a Kanban chart. The feasibility and results of restructuring software development into a service-oriented format are evaluated. Major results were that only moderate effort was required, around one person month, due to the support of the service reference model and a sufficient level of previously installed capabilities, and that the goals regarding improved quality, productivity, and customer satisfaction were successfully achieved. Additionally we discuss stakeholder needs, the support from the service reference model, the lessons learned, and the success factors for such restructuring. Restructuring software development in the format of continuous service delivery, guided by a service reference model, is feasible and for suitable contexts can provide significant benefits concerning quality, productivity, and customer satisfaction.

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EvalBench: A software library for visualization evaluation

EvalBench: A software library for visualization evaluation

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15th Eurographics Conference on Visualization, EuroVis 2013

作者： Aigner, W. Hoffmann, S. Rind, A. Institute of Software Technology and Interactive Systems Vienna University of Technology Austria

It is generally acknowledged in visualization research that it is necessary to evaluate visualization artifacts in order to provide empirical evidence on their effectiveness and efficiency as well as their usability and utility. However, the difficulties of conducting such evaluations still remain an issue. Apart from the required know-how to appropriately design and conduct user studies, the necessary implementation effort for evaluation features in visualization software is a considerable obstacle. To mitigate this, we present EvalBench, an easy-to-use, flexible, and reusable software library for visualization evaluation written in Java. We é its design choices and basic abstractions of our conceptual architecture and demonstrate its applicability by a number of case studies. EvalBench reduces implementation effort for evaluation features and makes conducting user studies easier. It can be used and integrated with third-party visualization prototypes that need to be evaluated via loose coupling. Eval- Bench supports both, quantitative and qualitative evaluation methods such as controlled experiments, interaction logging, laboratory questionnaires, heuristic evaluations, and insight diaries. © 2013 The Author(s).

关键词： Visualization

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On successful team formation: Statistical analysis of a multiplayer online game

On successful team formation: Statistical analysis of a mult...

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15th IEEE Conference on Business Informatics, IEEE CBI 2013

作者： Pobiedina, Nataliia Neidhardt, Julia Moreno, Maria Del Carmen Calatrava Grad-Gyenge, Laszlo Werthner, Hannes E-Commerce Group Institute of Software Technology and Interactive Systems Vienna University of Technology Austria

ISBN: (纸本)9780768550725

Teamwork plays an important role in many areas of today's society, such as business activities. Thus, the question of how to form an effective team is of increasing interest. In this paper we use the team-oriented multiplayer online game Dota 2 to study cooperation within teams and the success of teams. Making use of game log data, we choose a statistical approach to identify factors that increase the chance of a team to win. The factors that we analyze are related to the roles that players can take within the game, the experiences of the players and friendship ties within a team. Our results show that such data can be used to infer social behavior patterns. © 2013 IEEE.

关键词： Statistical methods

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interactive visual transformation for symbolic representation of time-oriented data

Interactive visual transformation for symbolic representatio...

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3rd International Workshop on Human-Computer Interaction and Knowledge Discovery in Complex, Unstructured, Big Data, HCI-KDD 2013, Held at SouthCHI 2013

作者： Lammarsch, Tim Aigner, Wolfgang Bertone, Alessio Bögl, Markus Gschwandtner, Theresia Miksch, Silvia Rind, Alexander Institute of Software Technology and Interactive Systems Vienna University of Technology Austria Institute of Cartography Dresden University of Technology Germany

ISBN: (纸本)9783642391453

Data Mining on time-oriented data has many real-world applications, like optimizing shift plans for shops or hospitals, or analyzing traffic or climate. As those data are often very large and multi-variate, several methods for symbolic representation of time-series have been proposed. Some of them are statistically robust, have a lower-bound distance measure, and are easy to configure, but do not consider temporal structures and domain knowledge of users. Other approaches, proposed as basis for Apriori pattern finding and similar algorithms, are strongly configurable, but the parametrization is hard to perform, resulting in ad-hoc decisions. Our contribution combines the strengths of both approaches: an interactive visual interface that helps defining event classes by applying statistical computations and domain knowledge at the same time. We are not focused on a particular application domain, but intend to make our approach useful for any kind of time-oriented data. © 2013 Springer-Verlag.

关键词： Data mining

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Elements of software ecosystem early-stage design for collective intelligence systems

Elements of software ecosystem early-stage design for collec...

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2013 1st International Workshop on software Ecosystem Architectures, WEA 2013

作者： Musil, Juergen Musil, Angelika Biffl, Stefan Christian Doppler Laboratory for Software Engineering Integration for Flexible Automation Systems Institute of Software Technology and Interactive Systems Vienna University of Technology Vienna Austria

ISBN: (纸本)9781450323147

User-contribution driven software service platforms like crowd-sourcing and social media services represent an efficient way of aggregating and distributing knowledge. However, only little research has been reported on early-stage design of software ecosystems (SECOs) for software service platforms, in particular in the collective intelligence (CI) domain. In this work we analyze needs for CI-centered SECOs leading to new research challenges. We have identified self-organization and feedback mechanisms as essential characteristics in CI-centered SECOs and thus introduce design elements for structuring them properly at an early stage of design. We discuss the concept with a real-world use case from a widely used CI-centered SECO, Wikipedia. A major result is the successful mapping of the design elements to the specific SECO elements.

关键词： software architecture

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