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- Walldius, Åke, et al.
(författare)
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User certification of workplace software : assessing both artefact and usage
- 2009
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Ingår i: Behavior and Information Technology. - : Informa UK Limited. - 0144-929X .- 1362-3001. ; 28:2, s. 101-120
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Tidskriftsartikel (refereegranskat)abstract
- This article summarises activities and results from the quality assessment project 'Quality Assurance of IT Support at Work' (ITQ) which has been performed by Swedish researchers in close cooperation with trade unions 1999-2005. The ITQ project is part of a network, UsersAward, which works for the goal to develop and implement a strategy for good software products on the work floor. A main result of the ITQ project is the first version of a software certification programme, User Certified 2002, which is described in some detail. The underlying theoretical arguments for its design and the performed pilot projects which have informed its implementation are also presented. The outcome of performed certifications is discussed in terms of stakeholder response; in terms of whether to certify artefact, processes, or both; and in terms of the relationship between software certification, standardisation, and public procurement agreements. One conclusion from the project is that a viable software certification programme has to cover the software's built-in features, its deployment process, and its actual situated usage. A second conclusion is that the buying organisation has to implement integrative processes in which its organisational development and its implementation of IT systems are coordinated. Conclusions are also drawn with respect to the set of organisational patterns underlying the UsersAward initiative-certifications, user panels, user surveys, user conferences and a yearly IT Prize contest. Finally, implications and plans for the future, especially international research and union cooperation activities, and further development of the certification process are described.
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| 2. |
- Berggren, Eric, et al.
(författare)
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Continuous Track Stiffness Measurement : An Effective Method To Investigate The Structural Conditions Of The Track
- 2002
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Ingår i: Railway Engineering Conference.
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Konferensbidrag (refereegranskat)abstract
- Vertical track stiffness and its variations along the track are important parameters that affect the conditionof the track, in particular the deterioration of track geometry and ballast degradation. The track stiffness isalso an important factor that has to be considered when upgrading the track for traffic of higher axle loads and higher speeds. Within the EU project EUROBALT II, Banverket (Swedish National Rail Administration) has developed a method to continuously measure the vertical track stiffness. Recently,Banverket has made further improvement of the method and carried out extensive measurements in Sweden using our track-loading test vehicle. Different combinations of excitation frequency and speedhave been tested. The measurement results have shown a significant correlation with actual geotechnical conditions and depth of soil layers. The measurement method has also shown very good repeatability. In this paper, we introduce the method of continuous track stiffness measurement and report the promising results we have obtained. It can be concluded that the continuous track stiffness measurement provides an effective way to investigate the structural condition of the track and should be a very useful tool for determining the cause of certain track problems.
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