Search for dissertations about: "multiple items"

Showing result 1 - 5 of 64 swedish dissertations containing the words multiple items.

  1. 1. Bidding in Combinatorial Auctions

    Author : Jim Wilenius; Arne Andersson; Peter Bro Miltersen; Uppsala universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; combinatorial auction; multiple-object; first-price; sealed-bid; game theory; multiple items; simultaneous auction; integer programming; equilibrium; strategy; reveue; Information technology; Informationsteknik; Datavetenskap; Computer Science;

    Abstract : This thesis concerns the interdisciplinary field of combinatorial auctions, combining the fields of computer science, optimization and economics. A combinatorial auction is an auction where many items are sold simultaneously and where bidders may submit indivisible combinatorial bids on groups of items. READ MORE

  2. 2. Walking ability, balance and accidental falls in persons with Multiple Sclerosis

    Author : Ylva Nilsagård; Lars-Gunnar Gunnarsson; Eva Denison; Katrin Boström; Christina H. Opava; Örebro universitet; []
    Keywords : multiple sclerosis; cooling garment; gait; walking; balance; reliability; validity; accidental falls; prediction; ICF; MEDICINE; MEDICIN; Medicin; Medicine;

    Abstract : By using a pragmatic paradigm, different research methodologies were employed in this thesis. MS-related symptoms may be exaggerated due to heatsensitivity and it is supposed that cooling garments relieve the symptoms. READ MORE

  3. 3. Statistical modeling in international large-scale assessments

    Author : Inga Laukaityte; Marie Wiberg; Kenny Bränberg; Ewa Rolfsman; Bernard Veldkamp; Umeå universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; multilevel model; plausible values; sampling weights; missing information; multiple imputation; non-monotone missing pattern; TIMSS; PISA; Statistics; statistik; pedagogik; Education;

    Abstract : This thesis contributes to the area of research based on large-scale educational assessments, focusing on the application of multilevel models. The role of sampling weights, plausible values (response variable imputed multiple times) and imputation methods are demonstrated by simulations and applications to TIMSS (Trends in International Mathematics and Science Study) and PISA (Programme for International Student Assessment) data. READ MORE

  4. 4. Psychosocial aspects on children with imperforate anus and their parents

    Author : Margret Nisell; Karolinska Institutet; Karolinska Institutet; Karolinska Institutet Department of Woman and Child Health Child and Adolescent Psychiatric Unit; []
    Keywords : MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Psychosocial experiences; Psychosocial function; Children with imperforate anus; Parents; Multiple informant assessment; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; Psychosocial experiences; Psychosocial function; Children with imperforate anus; Parents; Multiple informant assessment;

    Abstract : Aim: The overall aim of this thesis was to explore psychosocial consequences on children with high and intermediate imperforate anus and their parents.Material/Methods: Paper I was an explorative study involving interviews. READ MORE

  5. 5. Chemical intolerance : disability and health aspects from a biopsychosocial perspective

    Author : Anna Söderholm; Ingrid Liljelind; Steven Nordin; Berit Edvardsson; Christer Jansson; Umeå universitet; []
    Keywords : MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; Chemical intolerance; multiple chemical sensitivity; sensory hyperreactivity; environmental intolerance; International Classification of Functioning; Disability and Health ICF ; questionnaire development; reliability; validity; coping; lived experience; mixed method; Public health; folkhälsa;

    Abstract : Background: Chemical intolerance (CI) is a term used for individuals experiencing symptoms triggered by odorous and pungent substances such as perfume, cleaning agents, mold smell and tobacco smoke. The prevalence of CI range from 0.5-52% depending on definition, and it is overrepresented among women. READ MORE