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- Bodin, Hristina, et al.
(författare)
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Attenuation of pharmaceutical substances : phytoremediation using constructed wetlands
- 2018
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Ingår i: 13th Society of Wetland Scientists (SWS) Europe Chapter Meeting. ; , s. 19-22
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- Introduction: Currently, wastewater treatment plants (WWTPs) do not efficiently remove pharmaceutical substances (PS). Thus, such substances are now frequently found in aquatic ecosystems worldwide. Also, concentrations of some PS in treated effluents exceed Environmental Quality Standards proposed by EU legislation. One resource-efficient option for increasing PS removal in WWTP effluents is to use constructed wetlands (CWs) as an attenuation step (Breitholtz et al. 2012; Li et al. 2014). However, very little research has been done on how to maximize the PS attenuation capacity of CWs. Therefore, a project with the aim to investigate reduction of different pharmaceutical substances in CWs with different vegetation compositions and water depths, was performed at the Experimental Wetland Area (EVA) located 20 km north of Halmstad, Sweden.
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| 5. |
- Hägg, Elizabeth, et al.
(författare)
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Customer Service process IT-enabled support Fit or misfit? - A real world case
- 2008
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Ingår i: Proceedings of 31th Information Systems Research Seminar in Scandinavia. - : IRIS. - 9789186073121 ; , s. 22-
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Konferensbidrag (refereegranskat)abstract
- This paper is a description of a real world case which focuses on a method to define the major gaps between functional requirements and existing support in a traditional ERP system. To identify and define the major gaps the method is using short interviews, existing documentation and graphic process diagrams. The report covers the process Customer Contact – Order Acknowledgement for a global chemicals manufacturer, Perstorp. The group in focus for this study is Customer Service. The results of this case were presented to Perstorp’s Customer Service as well as IT management as background material to assess improvement possibilities for both processes, IT support and for a new ERP strategy. Many other businesses are in similar situations. The aim in publishing this research paper is that these findings can be of practical use to other businesses as well as be an empirical foundation for other papers and possibly further research.
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- Johansson, Lars-Olof, et al.
(författare)
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Graphical modeling techniques and usefulness in the Model Driven Arcitechture : Which are the criteria for a "good" Computer independent model?
- 2008
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Ingår i: Proceedings of The 31st Information Systems Research Seminar in Scandinavia (IRIS31). - : IRIS. - 9789186073121 ; , s. 13-
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Konferensbidrag (refereegranskat)abstract
- The Object Management Group (OMG) has presented a framework for model driven development: Model Driven Architecture (MDA). The departure point of this paper is an interest in process oriented modeling techniques relevant for a computer independent model in the MDA. We searched for the answer on the question what constitutes a "good" computer independent model (CIM). To get an answer we were using OMG:s demands of the modeling techniques that should be used when developing CIMs and found four process oriented modeling techniques which could serve as candidates. These four process oriented modeling techniques is analyzed based by Moody"s quality criterions. The findings indicates that there are only one candidate, BPMN, that meets some of Moody"s quality criterions, but there also drawbacks in BPMN, such as the criterions; expressiveness and emphasis.
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| 7. |
- Kjellin, Harald, et al.
(författare)
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Minimizing the time spent on transformations between computer independent models and platform independent models
- 2008
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Ingår i: Proceedings of The 31st Information Systems Research Seminar in Scandinavia (IRIS31). - : IRIS. - 9789186073121 ; , s. 12-
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Konferensbidrag (refereegranskat)abstract
- A well known trade-off effect with modelling is that when it is user friendly it becomes ambiguous and when it has a formal notation, that makes it unambiguous, it becomes less user friendly. A well known solution to this dilemma is to use models on various levels of formalism where the least formalized models are known to be more user friendly and the most formalized models are well suited for being directly translated to program code. This article investigates how the user friendliness at an informal level can be combined with the accuracy needed at a more formal level of modeling. It aims at combining an informal user friendly perspective with a formal developer perspective in order to minimize the time spent on transformation mapping between user friendly models and developer models. Theoretical data and empirical data indicates possibilities of minimizing the work with transformations between models. The results show that a number of developed criteria can be used to secure the user friendliness of models that are used in communications between the designer and the end user.
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| 8. |
- Kjellin, Harald, et al.
(författare)
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Minimizing the time spent on transformations between computer independent models and platform independent models
- 2008
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Ingår i: Asproth, V. (ed), Proceedings of 31th Information Systems Research Seminar in Scandinavia. - Sundsvall : Mittuniversitetet. - 9789186073121
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Konferensbidrag (refereegranskat)abstract
- A well known trade-off effect with modelling is that when it is user friendly it becomes ambiguous and when it has a formal notation, that makes it unambiguous, it becomes less user friendly. A well known solution to this dilemma is to use models on various levels of formalism where the least formalized models are known to be more user friendly and the most formalized models are well suited for being directly translated to program code. This article investigates how the user friendliness at an informal level can be combined with the accuracy needed at a more formal level of modeling. It aims at combining an informal user friendly perspective with a formal developer perspective in order to minimize the time spent on transformation mapping between user friendly models and developer models. Theoretical data and empirical data indicates possibilities of minimizing the work with transformations between models. The results show that a number of developed criteria can be used to secure the user friendliness of models that are used in communications between the designer and the end user.
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