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  • 151.
    Ahlin, Karin
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Computer and System science.
    Saarikko, Ted
    Umeå University.
    Exploiting Information: Seeking Long-term Preservation of organisational knowledge2013Conference paper (Refereed)
    Abstract [en]

    Long-term preservation of organisational knowledge gives the business opportunities to reuse stored knowledge. This preservation of knowledge is present both in the organisation as such, found explicitly in the organisational stock, and also in the individual workers, implicit in their flow of action. Theoretically have the reuse of knowledge been named organisational memory and also been addressed in knowledge management. In a single case-study of a manufacturing company, the authors study the utilisation of product configuration information (PCI) and its role in meeting requirements on long-time preservation of product-related knowledge. This structured and standardised information is used throughout the organisation, serving as a base for both organisational and individual knowledge for the entire company. Since the information has been used in the same way for decades it is a part of the organisation´s culture and influences structures and procedures connected to the information base. The result of the study implies that usage of PCI grants the individual worker a high degree of task-related freedom as well as intra-organisational mobility. The downside for the individuals is the long time period it takes to get familiar with PCI due to its complexity. For the organisation as such, PCI provides a stable stock of knowledge which is available over extended periods of time, drastically reducing dependence upon individual workers.

  • 152.
    Ahlin, Karin
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
    Saariko, Ted
    Göteborgs Universitet.
    A semiotic perspective on semantics interoperability2012Conference paper (Refereed)
    Abstract [en]

    While information technology enables us to access more material than ever before, we need to come to grips with the disagreeable fact that data is not information. Sharing data without safeguarding comprehension may lead to confusion at best and disaster at worst. The issue at hand is one of ensuring semantic interoperability between actors from disparate contexts. Research into this problem is plentiful, but typically focused around specific subject matters, limiting its appeal to a limited range of scholars and practitioners. Based upon a literary study, we identify two extreme approaches to managing semantic interoperability. These are denoted top-down and bottom-up. We illustrate real world instances of these approaches using the TFI-model based on a case study encompassing two organizations. Our theoretical model is found to be a viable lens through which to generalize and interpret issues pertaining to semantic interoperability between human actors. We therefore see a need for further research into human-based on semantic interoperability.

  • 153.
    Ahlin, Karin
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Computer and System science.
    Åslund, Anna
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Quality Technology and Management, Mechanical Engineering and Mathematics.
    Utveckling och test av arbetsmetod för identifiering av nytta och värde i produktionsprocessen i framtagande av teknikinformation.2014Report (Other academic)
  • 154.
    Ahlqvist, Theresé
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information and Communication systems.
    Hur ett tvärfunktionellt samarbete kan motverka stuprörsstrukturer: Kommunikationens roll i det organisatoriska gränssnittet mellan olika avdelningar2016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Stovepipes, or also called silos, appear in many different organizations and sectors and contribute to problems when employees or managers tend to look more to their own, or the individual departments, objectives rather than to the organizations. The purpose of this study was to identify different communicative factors that promote stovepipes in order to further identify the most critical factor to disarm. A case study has been done at a selected company, with a stovepipe structure, in order to achieve the purpose of the study. The case study has included interviews and observations to identify different problem areas which then have been compared with three communicative factors identified in previous studies. The factor that had the most connections to the problem areas have been considered the most critical factor. The result of the study indicates that “A lack of understanding each other's work” is the most critical factor in stovepipe structures and that it can be prevented by following five recommendations: bring up positive collaboration continually, raise problems with each other instead of with others, identify different communication paths in and between the departments, implement a long-term model for preventing stovepipes and set up workshops between the involved departments. The conclusion of the study is that stovepipes create several undesirable effects in the organization but that the efforts to counter these problems do not have to be complicated. Following five small steps into a better collaboration and communication can be enough to be on your way to a better organizational structure.

  • 155.
    Ahlrén, Caroline
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering and Sustainable Development.
    Sundler, Sofie
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering and Sustainable Development.
    Underlag till klimatledningssystem för skolor2010Independent thesis Basic level (degree of Bachelor), 30 credits / 45 HE creditsStudent thesis
    Abstract [en]

    The climate issue is a significant question, and the problem is mainly caused by human activities. Everyone can help to counteract the enhanced Greenhouse effect by reducing the amounts of energy they use and by not consuming more products then they need.

    Schools are some of societies many consumers and therefore contribute to the Greenhouse effect. The School also has an important task; to teach and disseminate knowledge and information about the climate and the environment. According to the Swedish National Agency for Education, Skolverket, must all schools regularly consider the environment and sustainable development throughout the entire education process. Unfortunately, this is not the case for many schools in Sweden today.

    One of many tools that can be used to coordinate environmental work and initiatives, and also to make it more efficient, is environmental management systems. The most well known environmental management systems are developed for companies and consist of, for example, ISO 14001 and EMAS. Schools also have their specific versions of environmental management systems. In Sweden there are two of this kind; Green Flagg (Grön Flagg) and School for Sustainable Development (Skola för hållbar utveckling). There is also a third, called Environmental diploma (Miljödiplomering), though this particular one can be used both in companies, schools and other organizations. The authors regard these management systems as fine but insufficient. They need to be complemented by another management system aimed at climate and energy, which will work both as a startup for School for Sustainable Development and a continuation from Green Flagg.

    This study has had the aim of finding the components that need to make up such a climate management system. The system needs to be; easy to introduce into the school activities, be of good use in the tuition and contribute to lessen the schools impact on the climate. The study is based on literature relevant for the subject as well as two parallel empirical studies, where environmental work and environmental management systems in two schools were evaluated.

    The result of the study showed that most schools integrate environmental issues in their education, although to a varying extent. Environmental work in schools today need more structure and the authors regards environmental management systems adapted to the school activities, as helpful tools. To ensure that such a management system will be used, it needs to be limited to a more specific issue. The authors have, in this study, chosen to work with climate and energy as the main focus. The management system should be built as a conventional environmental management system suited for companies, for example ISO 14001, and contain the following components:

     PDCA

     Physical environmental aspects

     Documentation

     Clearly rooted in governing documents

     Communication

     Tools

     Stairs of knowledge

     Continuous updates and follow-up:s

     Distinction

     

  • 156.
    Ahlstrand, Hilda
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Östlund, Karoline
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Hur går snacket som gör somliga namn mindre anställningsbara?: - En kvalitativ studie om hur det i grupp talas om värme och kompetens kring arbetssökanden av utländsk härkomst2016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
  • 157.
    Ahlström, André
    Mid Sweden University, Faculty of Human Sciences, Department of Business, Economics and Law.
    Bankbranschen: En studie om branschstruktur och konkurrensstrategi i Enköping2015Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
  • 158. Ahlström, B H
    et al.
    Skarsäter, I
    Danielson, Ella
    Mid Sweden University, Faculty of Human Sciences, Department of Health Sciences.
    The meaning of major depression in family life: the viewpoint of the ill parent2010In: Journal of Clinical Nursing, ISSN 0962-1067, E-ISSN 1365-2702, Vol. 19, no 1-2§, p. 284-293Article in journal (Refereed)
    Abstract [en]

    Aim and objective.

    The aim was to elucidate the meaning of major depression in family life

    from the viewpoint of an ill parent.

    Background.

    Major depression according to Diagnostic and Statistical Manual of

    Mental Disorders is common and may appear repeatedly over several

    years, and affects family life. Depression in parents has a negative

    impact on family function and children's health; however, studies

    regarding the deeper understanding of major depression in family life

    are lacking.

    Design.

    A qualitative explorative study using narrative interviews with eight

    parents who were identified with major depression.

    Methods.

    A phenomenological-hermeneutic method of interpretation was used for

    analysing interview texts and included naive understanding, a

    structural analysis where text was divided into meaning units, which

    were condensed and abstracted, and finally a comprehensive

    understanding.

    Result.

    Two themes were extracted: 'to be afflicted in an almost unmanageable

    situation' with sub-themes 'feeling hopelessly bad', 'being worthless',

    'being unsatisfied' and the theme 'to reconcile oneself to the

    situation' with sub-themes 'being active', 'being satisfied' and

    'maintaining parenthood'.

    Conclusion.

    Comprehensive understanding revealed the parents' simultaneous

    suffering and dignity in family life; suffering with serious lack of

    well-being and health, destroyed self-confidence and unhappiness, and

    dignity with strength, confidence and joy in children. The movement

    between suffering and dignity complicated family life. Dignity was

    threatened by the awareness that suffering in major depression was

    recurrent. Dignity had to be repeatedly restored for self and the

    family, and family dignity has to be restored before others outside the

    family circle.

    Relevance to clinical practice.

    A deeper understanding of the meaning of major depression in family

    life is helpful and for healthcare professionals to prevent individual

    and family suffering by assisting and preserving dignity.

     

  • 159. Ahlström, B H
    et al.
    Skärsäter, I
    Danielson, Ella
    Mid Sweden University, Faculty of Human Sciences, Department of Health Sciences.
    Major depression in a family: what happens and how to manage - a case study2007In: Issues in Mental Health Nursing, ISSN 0161-2840, E-ISSN 1096-4673, Vol. 28, no 7, p. 691-706Article in journal (Refereed)
    Abstract [en]

    Major depression challenges the ways of living for both individuals and families. The aim of this study was to describe what happens and how to manage major depression in a family. The case in this paper is a family with a mother who is suffering major depression and her son and daughter. Narrative interviews and qualitative content analysis were conducted. The findings revealed six themes: "a stealthy intruder," "moving slowly to helplessness," "saving the situation," "protecting oneself and others," "conveying things that are beyond words," and the "dispersal of shadows." These themes elucidated the family members' varying views of depression and the unique ways they managed the situation.

     

     

  • 160.
    Ahlström, Jenny
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Nursing Sciences.
    Höglund, Susanne
    Mid Sweden University, Faculty of Human Sciences, Department of Nursing Sciences.
    Sjuksköterskans roll i den palliativa vården - en litteraturöversikt.2015Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
  • 161.
    Ahlström, Pauline
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Health Sciences.
    Wie, Lina
    Mid Sweden University, Faculty of Human Sciences, Department of Health Sciences.
    Att återgå till arbete efter stressrelaterad ohälsa: -En intervjustudie om betydelsen av psykosociala faktorer2015Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
  • 162.
    Ahlström, Richard
    Mid Sweden University, Faculty of Human Sciences, Department of Social Sciences.
    Debt2011In: Encyclopedia of consumer culture / [ed] Southerton, Dale, New York: Sage Publications, 2011, 1Chapter in book (Refereed)
  • 163.
    Ahlström, Richard
    Mid Sweden University, Faculty of Human Sciences, Department of Social Sciences.
    The emotional impact of severe debts on the individual2007In: Proceedings of the Nordic Policy Research Conference 2007, 2007Conference paper (Refereed)
  • 164.
    Ahlström, Richard
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Social Sciences.
    Savemark, Mattias
    Mid Sweden University, Faculty of Human Sciences, Department of Social Sciences.
    Dödsfall under och efter skuldsanering2010Report (Other academic)
    Abstract [sv]

    Konsumentverket har enligt skuldsaneringslagen (SFS 2006:548) uppdrag att stödja och vägleda den budget- och skuldrådgivning som kommunerna skall svara för. Detta innefattar bland annat utbildning, metodutveckling, kunskapsbyggande och information samt utvärdering. Som ett led i detta har verket initierat en utvärdering av verksamheten från, såväl ett gäldenärsperspektiv som ur ett samhällsekonomiskt perspektiv. Föreliggande rapport är en del av en kommande större rapport rörande bl.a. ekonomi och hälsoaspekter i samband med överskuldsättning och skuldrådgivning i kommunerna. Författare är docent Richard Ahlstöm och forskningsassistent Mattias Savemark. De slutsatser och ståndpunkter som redovisas här är författarnas egna och de ansvarar för delrapportens riktighet och innehåll.

  • 165.
    Ahlström, Therese
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Social Work.
    Olsson, Annette
    Mid Sweden University, Faculty of Human Sciences, Department of Social Work.
    Att tala med tangenterna: En intervjustudie om ungdomars interaktion och identitetsskapande genom sociala medier2013Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Syftet med denna studie var att beskriva och analysera hur ungdomar använder och förhåller sig till sociala medier samt hur de uppfattar och reflekterar kring möjligheter och begränsningar i förhållande till sitt identitetsskapande. Vi har genom en kvalitativ forsknings design genomfört semistrukturerade intervjuer med sex ungdomar. Varefter vi noga lyssnat igenom intervjuerna, transkriberat, sammanställt och analyserat resultatet. Vi valde ungdomar för att de är inne i en identitetsskapande ålder samt att de är representativa användare av sociala medier. Resultatet visar att samtliga ungdomar är i någon form beroende av den mediala interaktionen och att detta påverkar identitetsskapandet. Vidare visar också resultatet att det mänskliga mötet är betydande då reaktioner direkt kan tolkas i en så kallad ansikte mot ansikte interaktion.

  • 166.
    Ahlund, Claes
    Uppsala Universitet.
    Den skandinaviska universitetsromanen 1877-18901990Doctoral thesis, monograph (Other academic)
  • 167. Ahlund, Claes
    Den svenska invasionsberättelsen - en bortglömd litteratur2003In: Tidskrift för litteraturvetenskap, ISSN 1104-0556, no 3, p. 82-103Article in journal (Refereed)
  • 168.
    Ahlund, Claes
    Mid Sweden University, Faculty of Human Sciences, Department of Humanities.
    Den undflyende renässansen. Heidenstam, nittitalet och livsglädjen2008In: Aorta, ISSN 1402-7984, no 19, p. 47-50Article in journal (Other academic)
  • 169.
    Ahlund, Claes
    Mid Sweden University, Faculty of Human Sciences, Department of Humanities.
    Diktare i krig: K.G. Ossiannilsson, Bertil Malmberg och Ture Nerman från debuten till 19202007Book (Other academic)
  • 170.
    Ahlund, Claes
    Uppsala universitet.
    Doktor Glas och den fria viljan1985In: Horisont, ISSN 0439-5530, no 1, p. 12-21Article in journal (Other academic)
  • 171.
    Ahlund, Claes
    Mid Sweden University, Faculty of Human Sciences, Department of Humanities.
    Empiriker i det levande livets land: Henrik Schücks Wivalliusbild2007In: Hela världen är en teater: Åtta essäer om Lars Wivallius, Stockholm: Kungl. Vitterhets Historie och Antikvitets Akademien, 2007, p. 268-Chapter in book (Other academic)
  • 172. Ahlund, Claes
    En mental militarisering: den svenska litteraturen före och under första världskriget2003In: Samlaren : tidskrift, ISSN 0348-6133, Vol. 124, p. 134-157Article in journal (Refereed)
  • 173.
    Ahlund, Claes
    Uppsala universitet.
    Esteticismens unghinkar och aktionens anteckningar kring händelserna 19091986In: Hjärnstorm, ISSN 0348-6958, no 25/26, p. 17-19Article in journal (Other academic)
  • 174. Ahlund, Claes
    Fallets lag och jagets stjärna: en studie i Stig Dagermans författarskap = [The law of the fall and the star of the self] : [a study of the writings of Stig Dagerman]1998Book (Other academic)
  • 175.
    Ahlund, Claes
    Uppsala universitet.
    Folkhemsnattens lågande Lucifer: En introduktion till Hans Granlids romanvärld1987In: Hjärnstorm, ISSN 0348-6958, no 28, p. 11-15Article in journal (Other academic)
  • 176. Ahlund, Claes
    Från epifani till sammanbrott.: Novellstrukturer hos Lars Ahlin och Stig Dagerman1998In: Nordlit : arbeidstidsskrift i litteratur, ISSN 0809-1668, no 3, p. 87-120Article in journal (Other academic)
  • 177. Ahlund, Claes
    Författarna och första världskriget.: De krigförande länderna och det neutrala Sverige2001In: Vänbok till Alvar Wallinder, Gävle: Högskolan i Gävle , 2001, p. 119-Chapter in book (Other academic)
  • 178. Ahlund, Claes
    Förklaringsögonblickets förvandlingar: Om Dagermans transformation av en ahlinsk epifanimodell1998In: Tidskrift för litteraturvetenskap, ISSN 1104-0556, Vol. 27, no 1, p. 25-48Article in journal (Refereed)
  • 179.
    Ahlund, Claes
    Mid Sweden University, Faculty of Human Sciences, Department of Humanities.
    Individen, nationen och romanen: Från Vilhelm Mobergs Soldat med brutet gevär till Salman Rushdies Midnight’s Children2008In: Provins, ISSN 0280-9974, no 4, p. 70-77Article in journal (Other academic)
  • 180.
    Ahlund, Claes
    Mid Sweden University, Faculty of Human Sciences, Department of Humanities.
    Kampdiktarens gränser och begränsningar: exemplet K. G. Ossiannilsson2008In: Gränser i nordisk litteratur / Borders in Nordic literature, vol. I: IASS XXVI 2006. Vol. 1 / [ed] Heidi Grönstrand & Ulrika Gustafsson, Åbo, Finland: Åbo Akademis Förlag, 2008, p. 119-126Conference paper (Refereed)
  • 181. Ahlund, Claes
    Krig och kultur i konservativ och radikal belysning: Annie Åkerhielm och Frida Stéenhoff från sekelskiftet till första världskriget2005In: Samlaren: tidskrift för svensk litteraturvetenskaplig forskning, ISSN 0348-6133, E-ISSN 2002-3871, Vol. 126, p. 97-150Article in journal (Refereed)
  • 182. Ahlund, Claes
    Medusas huvud: dekadensens tematik i svensk sekelskiftesprosa = [The head of Medusa] : [the theme of decadence in Swedish prose of the turn of the century]1994Book (Other academic)
  • 183.
    Ahlund, Claes
    Mid Sweden University, Faculty of Human Sciences, Department of Humanities.
    Om dekadensens externalisering: exemplet Bertil Malmberg2006In: Aorta : journal för retrogardistisk kultur, ISSN 1402-7984, p. 40-45Article in journal (Other scientific)
  • 184. Ahlund, Claes
    Om Kristussymboliken i Stig Dagermans Bröllopsbesvär1998In: Horisont, ISSN 0439-5530, no 1, p. 59-66Article in journal (Other academic)
  • 185. Ahlund, Claes
    Sterilitet och kysk dekadens: Sekelslut i Sverige. Tema: Fin de siècle.1993In: Allt om böcker, ISSN 0280-2260, no 5-6, p. 16-20Article in journal (Other academic)
  • 186. Ahlund, Claes
    Stig Dagerman som lyriker i "Birgitta svit"1996In: Samlaren: tidskrift, ISSN 0348-6133, Vol. 1996, p. 28-50Article in journal (Refereed)
  • 187. Ahlund, Claes
    Strindberg och sekelskiftets fysionomi: dekadens och nydaning i Götiska rummen och Svarta fanor2002In: On the threshold: new studies in Nordic literature / [ed] Janet Garton and Michael Robinson, Norwich: Norvik Press, 2002, p. 490-Chapter in book (Other academic)
  • 188.
    Ahlund, Claes
    Mid Sweden University, Faculty of Human Sciences, Department of Humanities.
    Tyrannen, riksföreståndaren och diktatorn: K. G. Ossiannilsson som fascistisk diktare2006In: Tidskrift för litteraturvetenskap, ISSN 1104-0556, no 2, p. 27-53Article in journal (Refereed)
  • 189.
    Ahlund, Claes
    Mid Sweden University, Faculty of Human Sciences, Department of Humanities.
    "Under späkelsernas gissel. Karlfeldt och kriget"2008In: Edda. Nordisk tidsskrift for litteraturforskning, ISSN 0013-0818, E-ISSN 1500-1989, Vol. 95, no 3, p. 234-248Article in journal (Refereed)
    Abstract [en]

     

    The war poetry of Erik Axel Karlfeldt (1864-1931) is a neglected part of the poet's work. The aim of this article is to discuss three poems from Flora och Bellona (1918): "Det röda korset" ("The Red Cross"), "Svart Jul" ("Black Christmas") and "En pesthymn" ("A Hymn of Pestilence"). Attention is paid to the ideological level of the poems, but also to their poetic structure. The poems are related to Peter Hallberg's discussion of Karlfeldt's archaistic imagery, to Esaias Tegnér's "Svea", but also to the contemporary political poetry of outspoken nationalists and socialists. Compared to the explicit political poetry, Karlfeldt's poetry is complex, often ambivalent in its criticism of both belligerents and alternately displaying despair and optimism. "En pesthymn" can be seen as a turning point, mirroring the outbreak in 1918 of the Finnish Civil War. In this poem, the ambivalent moral judgements of the poet's preceding war poetry are replaced by unequivocal political support for the "Whites".

     

     

     

     

  • 190. Ahlund, Claes
    et al.
    Landgren, Bengt
    Från etableringsfas till konsolidering: svensk akademisk litteraturundervisning 1890-19462003Book (Other academic)
  • 191.
    Ahlén, Emelie
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Social Work.
    Rahmani, Shermineh
    Mid Sweden University, Faculty of Human Sciences, Department of Social Work.
    Hur unga utlandsfödda invandrare blir bemötta i det svenska samhället.: En kvalitativ och kvantitativ studie om diskriminering och rasism2010Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Sammanfattning: Ungdomar med utländsk bakgrund har enligt tidigare studier sämre förutsättning i skolan, arbeten och inom rättsväsendet, på grund av diskriminering. Syftet med denna uppsats har varit att ta reda på hur unga utlandsfödda ungdomar blir bemötta i det svenska samhället, samt att se om det finns vissa specifika mönster till varför det uppstår diskriminering i bland annat skolan. Till vår undersökning använde vi oss av teorier om - diskriminering och rasism, som används i analysen av det empiriska materialet. Vår utgångspunkt i uppsatsen har varit att ta reda på varför diskriminering och rasism sker i samhället. Vi hade ett antal frågeställningar som kan ses nedan, som besvarats i arbetet.

    • Hur blir invandrarungdomar bemötta i det svenska samhället utifrån deras etniska bakgrund?
    • Spelar ungdomarnas genus någon roll i hur de blir bemötta i det offentliga samhället?
    • Finns det skillnader mellan ungdomar med olika bakgrund beroende på deras vilken världsdel de kommer ifrån?
    • Påverkar ungdomarnas socioekonomiska och kulturella bakgrund, hur de blir bemötta i det svenska samhället?

           För att besvara dessa frågeställningar, delade vi ut enkäter till 42 ungdomar i en mellan stor stad i åldrarna 16 – 24 år i olika skolor. När resultatet av enkäterna var sammanställda valde vi att ha en fokusgrupp med fyra deltagande som hade deltagit i enkätundersökningen. Syftet med att ha en fokusgrupp var att få en fördjupad kunskap om vissa svar kring rasism och diskriminering. Vårt resultat i studien visade att ungdomar med utländsk bakgrund, blir diskriminerade ute i samhället utav skolan, polisen, socialtjänsten, i affärer, på arbetsplatser samt på andra platser i samhället som till exempel på bussen. Dessa slutsatser stärktes och jämfördes sedan med tidigare forskning i en analysdel, samt en avslutad diskussion.

  • 192.
    Ahmad, Hana
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Social Work.
    Zouari, Bouchra
    Mid Sweden University, Faculty of Human Sciences, Department of Social Work.
    Kvinnlig köönsstympning i Sverige - En kvalitativ studie om Socialtjänstens arbete mot kvinnlig köönsstympning2016Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
  • 193.
    Ahmad, Jawad
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    Andersson, Henrik
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    Sidén, Johan
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    Sitting Posture Recognition using Screen Printed Large Area Pressure Sensors2017In: Proceedings of IEEE Sensors, IEEE, 2017, p. 232-234Conference paper (Refereed)
    Abstract [en]

    In the biomedical sector, pressure sensors exhibit an important role towards monitoring and recognition of sitting posture for wheelchair users, which is helpful for pressure ulcer prevention and cure.  In this paper, a flexible and inexpensive screen printed large area pressure sensing system is presented. The large area sensor comprise three layers, is able to cancel-out false pressure detection, and achieves a sitting classification accuracy over 80 percent. The sensor matrix contains 16 sensors distributed over an area of 23.5 cm × 21.5 cm and the pressure points are monitored at a scanning rate of 77 Hz. The sensor system provides wireless communication and a Windows based GUI is developed that allows real-time presentation of pressure data by means of a pressure map. The presented sensor design targets smart wheelchairs but is suitable for any low cost and high throughput pressure distribution monitoring systems. 

  • 194.
    Ahmad, Naeem
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
    Modelling and optimization of sky surveillance visual sensor network2012Licentiate thesis, comprehensive summary (Other academic)
    Abstract [en]

    A Visual Sensor Network (VSN) is a distributed system of a largenumber of camera sensor nodes. The main components of a camera sensornode are image sensor, embedded processor, wireless transceiver and energysupply. The major difference between a VSN and an ordinary sensor networkis that a VSN generates two dimensional data in the form of an image, whichcan be exploited in many useful applications. Some of the potentialapplication examples of VSNs include environment monitoring, surveillance,structural monitoring, traffic monitoring, and industrial automation.However, the VSNs also raise new challenges. They generate large amount ofdata which require higher processing powers, large bandwidth requirementsand more energy resources but the main constraint is that the VSN nodes arelimited in these resources.This research focuses on the development of a VSN model to track thelarge birds such as Golden Eagle in the sky. The model explores a number ofcamera sensors along with optics such as lens of suitable focal length whichensures a minimum required resolution of a bird, flying at the highestaltitude. The combination of a camera sensor and a lens formulate amonitoring node. The camera node model is used to optimize the placementof the nodes for full coverage of a given area above a required lower altitude.The model also presents the solution to minimize the cost (number of sensornodes) to fully cover a given area between the two required extremes, higherand lower altitudes, in terms of camera sensor, lens focal length, camera nodeplacement and actual number of nodes for sky surveillance.The area covered by a VSN can be increased by increasing the highermonitoring altitude and/or decreasing the lower monitoring altitude.However, it also increases the cost of the VSN. The desirable objective is toincrease the covered area but decrease the cost. This objective is achieved byusing optimization techniques to design a heterogeneous VSN. The core ideais to divide a given monitoring range of altitudes into a number of sub-rangesof altitudes. The sub-ranges of monitoring altitudes are covered by individualsub VSNs, the VSN1 covers the lower sub-range of altitudes, the VSN2 coversthe next higher sub-range of altitudes and so on, such that a minimum cost isused to monitor a given area.To verify the concepts, developed to design the VSN model, and theoptimization techniques to decrease the VSN cost, the measurements areperformed with actual cameras and optics. The laptop machines are used withthe camera nodes as data storage and analysis platforms. The area coverage ismeasured at the desired lower altitude limits of homogeneous as well asheterogeneous VSNs and verified for 100% coverage. Similarly, the minimumresolution is measured at the desired higher altitude limits of homogeneous aswell as heterogeneous VSNs to ensure that the models are able to track thebird at these highest altitudes.

  • 195.
    Ahmad, Naeem
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    Modelling, optimization and design of visual sensor networks for sky surveillance2013Doctoral thesis, comprehensive summary (Other academic)
  • 196.
    Ahmad, Naeem
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    Imran, Muhammad
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    Khursheed, Khursheed
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    Lawal, Najeem
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    O'Nils, Mattias
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    Model, placement optimization and verification of a sky surveillance visual sensor network2013In: International Journal of Space-Based and Situated Computing (IJSSC), ISSN 2044-4893, E-ISSN 2044-4907, Vol. 3, no 3, p. 125-135Article in journal (Refereed)
    Abstract [en]

    A visual sensor network (VSN) is a distributed system of a large number of camera nodes, which generates two dimensional data. This paper presents a model of a VSN to track large birds, such as golden eagle, in the sky. The model optimises the placement of camera nodes in VSN. A camera node is modelled as a function of lens focal length and camera sensor. The VSN provides full coverage between two altitude limits. The model can be used to minimise the number of sensor nodes for any given camera sensor, by exploring the focal lengths that fulfils both the full coverage and minimum object size requirement. For the case of large bird surveillance, 100% coverage is achieved for relevant altitudes using 20 camera nodes per km² for the investigated camera sensors. A real VSN is designed and measurements of VSN parameters are performed. The results obtained verify the VSN model.

  • 197.
    Ahmad, Naeem
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    Imran, Muhammad
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    Khursheed, Khursheed
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    Lawal, Najeem
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    O'Nils, Mattias
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    Solution space exploration of volumetric surveillance using a general taxonomy2013In: Proceedings of SPIE - The International Society for Optical Engineering / [ed] Daniel J. Henry, 2013, p. Art. no. 871317-Conference paper (Refereed)
    Abstract [en]

    Visual surveillance systems provide real time monitoring of the events or the environment. The availability of low cost sensors and processors has increased the number of possible applications of these kinds of systems. However, designing an optimized visual surveillance system for a given application is a challenging task, which often becomes a unique design task for each system. Moreover, the choice of components for a given surveillance application out of a wide spectrum of available alternatives is not an easy job. In this paper, we propose to use a general surveillance taxonomy as a base to structure the analysis and development of surveillance systems. We demonstrate the proposed taxonomy for designing a volumetric surveillance system for monitoring the movement of eagles in wind parks aiming to avoid their collision with wind mills. The analysis of the problem is performed based on taxonomy and behavioral and implementation models are identified to formulate the solution space for the problem. Moreover, we show that there is a need for generalized volumetric optimization methods for camera deployment.

  • 198.
    Ahmad, Naeem
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
    Khursheed, Khursheed
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
    Imran, Muhammad
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
    Lawal, Najeem
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
    O'Nils, Mattias
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
    Cost Optimization of a Sky Surveillance Visual Sensor Network2012In: Proceedings of SPIE - The International Society for Optical Engineering, Belgium: SPIE - International Society for Optical Engineering, 2012, p. Art. no. 84370U-Conference paper (Refereed)
    Abstract [en]

    A Visual Sensor Network (VSN) is a network of spatially distributed cameras. The primary difference between VSN and other type of sensor network is the nature and volume of information. A VSN generally consists of cameras, communication, storage and central computer, where image data from multiple cameras is processed and fused. In this paper, we use optimization techniques to reduce the cost as derived by a model of a VSN to track large birds, such as Golden Eagle, in the sky. The core idea is to divide a given monitoring range of altitudes into a number of sub-ranges of altitudes. The sub-ranges of altitudes are monitored by individual VSNs, VSN1 monitors lower range, VSN2 monitors next higher and so on, such that a minimum cost is used to monitor a given area. The VSNs may use similar or different types of cameras but different optical components, thus, forming a heterogeneous network.  We have calculated the cost required to cover a given area by considering an altitudes range as single element and also by dividing it into sub-ranges. To cover a given area with given altitudes range, with a single VSN requires 694 camera nodes in comparison to dividing this range into sub-ranges of altitudes, which requires only 96 nodes, which is 86% reduction in the cost.

  • 199.
    Ahmad, Naeem
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    Khursheed, Khursheed
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    Imran, Muhammad
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    Lawal, Najeem
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    O'Nils, Mattias
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
    Modeling and Verification of a Heterogeneous Sky Surveillance Visual Sensor Network2013In: International Journal of Distributed Sensor Networks, ISSN 1550-1329, E-ISSN 1550-1477, p. Art. id. 490489-Article in journal (Refereed)
    Abstract [en]

    A visual sensor network (VSN) is a distributed system of a large number of camera nodes and has useful applications in many areas. The primary difference between a VSN and an ordinary scalar sensor network is the nature and volume of the information. In contrast to scalar sensor networks, a VSN generates two-dimensional data in the form of images. In this paper, we design a heterogeneous VSN to reduce the implementation cost required for the surveillance of a given area between two altitude limits. The VSN is designed by combining three sub-VSNs, which results in a heterogeneous VSN. Measurements are performed to verify full coverage and minimum achieved object image resolution at the lower and higher altitudes, respectively, for each sub-VSN. Verification of the sub-VSNs also verifies the full coverage of the heterogeneous VSN, between the given altitudes limits. Results show that the heterogeneous VSN is very effective to decrease the implementation cost required for the coverage of a given area. More than 70% decrease in cost is achieved by using a heterogeneous VSN to cover a given area, in comparison to homogeneous VSN. © 2013 Naeem Ahmad et al.

  • 200.
    Ahmad, Naeem
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
    Lawal, Najeem
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
    O'Nils, Mattias
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
    Oelmann, Bengt
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
    Imran, Muhammad
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
    Khursheed, Khursheed
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
    Model and placement optimization of a sky surveillance visual sensor network2011In: Proceedings - 2011 International Conference on Broadband and Wireless Computing, Communication and Applications, BWCCA 2011, IEEE Computer Society, 2011, p. 357-362Conference paper (Refereed)
    Abstract [en]

    Visual Sensor Networks (VSNs) are networks which generate two dimensional data. The major difference between VSN and ordinary sensor network is the large amount of data. In VSN, a large number of camera nodes form a distributed system which can be deployed in many potential applications. In this paper we present a model of the physical parameters of a visual sensor network to track large birds, such as Golden Eagle, in the sky. The developed model is used to optimize the placement of the camera nodes in the VSN. A camera node is modeled as a function of its field of view, which is derived by the combination of the lens focal length and camera sensor. From the field of view and resolution of the sensor, a model for full coverage between two altitude limits has been developed. We show that the model can be used to minimize the number of sensor nodes for any given camera sensor, by exploring the focal lengths that both give full coverage and meet the minimum object size requirement. For the case of large bird surveillance we achieve 100% coverage for relevant altitudes using 20 camera nodes per km2 for the investigated camera sensors.

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