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Sökning: WFRF:(Bäckström Johannes)

  • Resultat 1-5 av 5
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1.
  • Allard, Bert, 1945-, et al. (författare)
  • Mining waste management in the Baltic Sea Region : Min-Novation project
  • 2013
  • Bok (refereegranskat)abstract
    • Mining waste and what to do about it is a common challenge facing companies, local authorities, environmental organizations, policymakers and increasingly other stakeholders in several countries of the Baltic Sea Region. From 2011 to 2013, a network of scientific and regional expertise brought together in the Min-Novation project has put this topic in the spotlight. The importance of the management of waste from extractive industries is due to the substantial share this waste has in the overall stream of waste generated in the EU. In 2010, 672 Mt or 28.3% of the total waste generated in the EU was attributable to the mining and quarrying industry, second only to construction (34.4%) and ahead of manufacturing (11.0%) and households (8.7%)1. Apart from this, mining waste is the raw material for one of the more visible man-made landmarks that surround us, with waste heaps of various shapes and sizes dotting the landscape up and down the Baltic Sea Region. Despite this dual prominence, mining waste is most often seen only as an environmental problem and in no way a resource. To move away from a one-sided view of mining waste, a life-cycle approach, which recognises that value can be recovered from waste and re-introduced into the product cycle is of the essence. It cannot be stressed enough that mining waste is a source of secondary raw materials, the use of which helps to protect the natural mineral deposits for future generations. Equally important is an appreciation of how the waste can be re-cycled in the excavation process (preventionand recovery) and adapted to create value for local communities (reclamation and revitalisation). However, for there to be effective mining waste management, both in the prevention stage, as well as in the recovery stage, and finally during land reclamation many conditions must be fulfilled. Of these the most important are access to appropriate technologies and methods and common sense legislation. Another condition not without importance is social acceptance for the recovery of waste located in old landfills. The Min-Novation Network over a span of 3 years has worked to understand and appreciate mining waste both as a corporate, community, regulatory and strategic issue. Set against the background of mining activity and waste management in the partner countries: Estonia, Finland, Germany, Norway, Poland and Sweden, both good practices and problem areas, which need to be addressed have been presented in this monograph. The purpose of this monograph is to show a cross-section of topics that affect how mining waste management works today, and which will play a decisive role in whether management of mining waste remains – an issue of primarily local relevance or whether it becomes a growth opportunity of national and EU-wide importance. The monograph focuses primarily on issues related to the management of waste from extractive industries in the countries whose representatives were involved in the Min-Novation project. Examples from outside the Baltic Sea Region of the use of waste heaps as an industrial heritage of the mining regions and also as attractions for local communities are presented as well. Indeed, every experience is valuable for the environment and socio-economic development of the Baltic Sea Region.
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2.
  • Nohlberg, Marcus, et al. (författare)
  • Talking security to managers : How to do it
  • 2007
  • Ingår i: Proceedings of the 6<sup>th</sup> International Conference on Perspectives in Business Information Research. - Tampere : Tampere University. - 9789514471216 ; , s. 104-113
  • Konferensbidrag (refereegranskat)abstract
    • Seven security specialists working close to managers were interviewed about what managers wanted to know about security, as well as other security issues and asked to perform a scenario. This information was analyzed, and the major conclusion of the study is that managers are interested in knowing about security mainly regarding financial and strategic matters, formulated in managerial terms rather than technical and grouped in sets of crossinformationrather than individual detailed data. A trend of giving the users themselves more responsibility for security was also noticed which is potentially worrisome due to the increased insider threat.
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3.
  • Nohlberg, Marcus, et al. (författare)
  • User-centered security applied to the development of a management information system
  • 2007
  • Ingår i: Information Management & Computer Security. - : Emerald Group Publishing Limited. - 0968-5227 .- 1758-5805. ; 15:5, s. 372-381
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose – This paper aims to use user-centred security development of a prototype graphical interface for a management information system dealing with information security with upper-level management as the intended users.Design/methodology/approach – The intended users were studied in order to understand their needs. An iterative design process was used where the designs were first made on paper, then as a prototype interface and later as a final interface design. All was tested by subjects within the target user group.Findings – The interface was perceived as being successful by the test subjects and the sponsoring organization, Siguru. The major conclusion of the study is that managers use knowledge of information security mainly for financial and strategic matters which focus more on risk issues than security issues. To facilitate the need of managers the study presents three heuristics for the design of management information security system interfaces.Research limitations/implications – This interface was tested on a limited set of users and further tests could be done, especially of users with other cultural/professional backgrounds.Practical implications – This paper presents a useful set of heuristics that can be used in development of management information systems as well as other practical tips for similar projects.Originality/value – This paper gives an example of a successful user-centred security development process. The lessons learned could be beneficial in software development in general and security products in particular.
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5.
  • Norberg, Johannes, et al. (författare)
  • Estimating the prevalence of atrial fibrillation in a general population using validated electronic health data
  • 2013
  • Ingår i: Clinical Epidemiology. - 1179-1349. ; 5:1, s. 475-481
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The purpose of this study was to determine the prevalence of atrial fibrillation (AF) in the general population and to validate an administrative diagnosis register, ie, the National Patient Register (NPR), and an electrocardiography (ECG) database in estimating disease prevalence.METHODS: The study was conducted in a well defined region in northern Sweden (population n=75,945) which consists of one hospital and eleven primary health care centers. Subjects with AF were identified by searching the combined inpatient and outpatient International Classification of Diseases (ICD)-based NPR (ICD-10 code I48) and an ECG database with computer-interpreted AF from January 1, 2004 to December 31, 2010. All identified cases with AF were validated.RESULTS: AF was confirmed in 2,274 patients. The overall prevalence was 3.0% (3.4% in men and 2.6% in women). AF prevalence rose steadily with age, and was 16.8% in patients aged 75 years and older and 21.9% in patients 85 years and older. Of all patients with validated AF, the NPR identified 93.2%. The ECG database identified an additional 6.8%, of which 81% were over 70 years of age. According to the NPR, the proportion of false positives and false negatives was 3.5% and 6.8%, respectively. The corresponding figure for the ECG database was 11.3% and 9.2%, respectively.CONCLUSION: Our study shows a high prevalence of AF, especially among the elderly. Searching the ECG database enhanced the detection of AF. The reliability of the NPR was high, with a relatively low proportion of false positives and negatives.
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