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9848 Uppsatser om Contextual indexing and faceted taxonomic access system - Sida 28 av 657
Testramverk för distribuerade system
When developing software that is meant to be distributed over several different computers and several different networks while still working together against a common goal there is a challenge in testing how updates within a single component will affect the system as a whole. Even if the performance of that specific component increases that is no guarantee for the increased performance of the entire system. Traditional methods of testing software becomes both hard and tedious when several different machines has to be involved for a single test and all of those machines has to be synchronized as well.This thesis has resulted in an exemplary application suite for testing distributed software. The thesis describes the method used for implementation as well as a description of the actual application suite that was developed. During the development several important factors and improvements for such a system was identified, which are described at the end of the thesis even though some of them never made it into the actual implementation.
Molnet och dess möjligheter och utmaningar : En kvalitativ studie i hur molnet förändrar systemutvecklingsarbetet
As companies grow, their need for computing power will increase, which traditionally resulted in companies having to invest in more IT resources. Now, with cloud computing, companies can easily hire computer power over the Internet, on-demand. Cloud computing offers a highly scalable environment where companies can store data and host their services. This paper employs a qualitative study with interviews and literature studies to explore opportunities and challenges associated with cloud computing from a system developer perspective. The aim of the paper is to find out how cloud computing changes the conditions for system development. The paper contributes with four different opportunities and challenges that the system developer must handle to succeed in the world of cloud computing.
Den moderna världens feminism ? en kunskapsöversikt om västcentristisk feminism och globaliseringen av nyliberalism
AbstractThis literal review intended to assess and shed light upon if west-centric feminism justifiesthe neoliberal globalization that reproduces the reproduction of inequality in the world.The result indicated that sex is not sufficient to categorize a universal group of women andthat other aspects of social structures such as class, caste, ethnicity, race, religion and ageshould be included in transnational feminism, and that this discourse needs to becharacterized by contextual understanding of culture and power. Neoliberalism has createdspace for personal freedom and choice, but all do not possess the same conditions to utilisetools to attain positive progress in regard to these choices. Furthermore, this study hasrevealed that feminism is subordinate to the globalization of neoliberalism and that thepost-feminist trend could be perceived as being discrepant with a progressive transnationalfeminist movement..
Kombinerat system för ventilation och rumsuppvärmning : Parameterundersökning i simuleringsmodell för takvärmesystem
A large amount of our time is spent indoors in an artificial climate. To make the experience pleasant there are requirements on the ventilation and the heating system. At the present time the most common form of heating is a radiator system complemented with a ventilation system. A ceiling heating system with combined heating and ventilation can replace the two separated systems. The benefit with a ceiling heating solution is that it saves space since the radiator system is no longer needed.
Brännkammare för träpulver : Teoretisk analys och praktisk försök
The thesis describes a completely new biofuel system to generate particle-free heat from combustion of ash-containing biofuel particles at high temperatures.The suggested system gives opportunities to introduce biofuels in new areas.Main components in the suggested system is a heat radiating combustion chamber intended for pulverized wood, combined with regenerators to extract heat from flue gases and simultaneously preheating the combustion air.The thesis contains a description of the suggested system, theoretical considerations, calculations regarding the combustion, and includes results from tests performed.The results from calculations and tests performed concludes that the system is workable and possible to apply..
"Det var stressigt, man visste typ inget" : Vägledningen inför gymnasievalet, ur ett elevperspektiv
The purpose of this investigation was to study what students in in the first year of the social science program in high school think about the guidance they had access to during their time at primary school. This is to ensure that it the guidance students are entitled to and contribute to the development of the business. The survey was conducted at two different high schools in southern Sweden. A total of 57 students participated in the survey. The results show that 46 and 29 percent of students at the two schools did not feel they had the information they needed for their upper secondary school The results proving what previous research reached that students selection process can lead to stress and uncertainty associated with the choice to high school. The results of the present study showed that girls in particular have high standards for themselves and experience stress and anxiety associated with their selection to a greater extent than boys.
Optimerad bildsökning ? Bör vissa egenskaper prioriteras vid sökning efter en viss kategori av bilder?
As the information society becomes increasingly flooded with digital images, the need for efficient image retrieval systems increases as well. To handle the vast amounts of data involved, the indexing process needs to be run automatically, using content-based descriptors extracted directly from the digital image, such as colour composition, shape and texture features. These content-based image retrieval systems are often slow and cumbersome, and can appear confusing to an ordinary user who does not understand the underlying mechanisms. One step towards more efficient and user-friendly retrieval systems might be to adjust the weight placed on various descriptors depending on which image category is being searched for. The results of this thesis show that certain categories of digital images would benefit from having extra weight assigned to colour, texture or shape features when searching for images of that category..
Teknik : hur arbetar pedagoger med tekniska system i förskolan?
Syftet med undersökningen är att ta reda på om begreppet ?Tekniska system? tas upp i förskolan. Dessutom undersöks hur förskolorna arbetar med teknik enligt den reviderade läroplanen, Lpfö 98.Som metod användes enkäter där pedagoger satt i arbetslagsgrupper och besvarade frågor. Enkäten används för att få en bättre bild av hur ålder, kön, tidigare utbildningar och yrkeserfarenhet förhåller sig till kunskapen av teknikämnet.Undersökningen visar att alla förskolor använde sig av begreppet tekniska system på ett eller annat sätt i samtal med barnen, till exempel vid toalettbesök, samt frågor ?vart tar rören vägen vidare till reningsverket??Vidare framkommer det att fler fortbildningsdagar och studiebesök är önskvärt för att pedagogerna ska få en större vetskap om begreppet tekniska system.
Inlandskommunens digitala klyfta : En kvalitativ studie om hur Vilhelmina kommun kan nå alla invånare
This surveys hypothesis is based on the notion that all citizens have the right to access information of the municipality they live in. The aim of the study is to examine how residents of Vilhelmina municipality take note of the current information, and also how they would proceed to access information in the future. In order to conceptualise the results these following theories were used: digital divide, digital immigrants, digital native, uses and gratification theory, social capital, communications strategies and two-way communication. The survey is conducted with four focus group interviews and one separate interview with a person working at the municipal office. The focus groups were divided into age categories in order to see the similarities and differences between the groups' media habits and preferences of future communications.
GPS-baserad virtuell geografisk inhägnad för mobil enhet
The aim of this paper is to find an algorithm to establish and maintain a virtual enclosure around a mobile unit. The area may take any form and should be scalable up to and including national borders. The enclosure is managed on the mobile unit. The target system is Android. Smartphones, tablets and more recently, cameras is examples of mobile units.
Integritetsperspektiv på självhämtningshyllor ? En fenomenografisk studie om högskolebibliotekschefers uppfattningar av självhämtningshyllor
The purpose of this Master thesis is to examine how college library managers perceive shelves of book reservation system in an integrity perspective. Privacy is an important part of everyday life in the society of today and according to some people, for example a former library lawyer in the Swedish Royal Library, these shelves conflicts with the Swedish law of Secrecy (Sekretesslagen 9 kap. 22 §). I am therefore interested in how they perceive this system: what weaknesses and strengths it has, why they implemented it, how they have interpreted this law. To answer this I have used a qualitative method called phenomenography and done interviews with five college library managers.
Tillblivelsen av "Klassifikationssystem för svenska bibliotek"
The study's aim is to create an understanding for the question why Sweden in 1921chose to create its own classification system for public libraries instead of adapting e.g.the Dewey-system which - at this time - was internationally we11 spread. It examines thesocial changes which proceeded the creation of the Swedish Library Association (SLA)in 1915 and discusses in depth the work of the committee appointed by SLA to createthe classification system. Special interest is also given to the relation between SLACSand the Dewey-system.The study shows that the main influence on the codttee's work was the formerSwedish tradition of classification practice. The Dewey-system was seen as inappropriateto adapt in the Swedish libraries because of the vast changes that wouldhave to be done, and the fact that the decimal notation was practically unused in anylibraries in Sweden.From a methodological point of view, the study tries to apply a critical hermeneuticalapproach as developed by Paul Ricoeur.The study contains an extended English summary..
Barn kommunicerar om film
The aim of this master?s thesis is to obtain greater understanding of how children relate to the film medium and their experiences. This is obtained by listening to the children and observing their verbal and nonverbal communication in two focus group interviews. Children?s access to and selection of film are due to adult?s restrictions.
Vilken mjukvarubaserad fjärranslutningslösning är passande för ett mindre företag?
Syftet med denna undersökning är att ta reda på vilken mjukvarubaserad fjärranslutningslösning som passar för ett mindre företag, då de har mindre ekonomiska tillgångar än ett större företag behöver de vara mer noggranna med sina produktval. Arbetet är utfört med litteraturstudier och en enkätundersökning till ett tiotal mindre företag, samt en laborationsmiljö där tester av de olika fjärranslutningslösningarnas egenskaper har utförts.Område valdes då ämnet fjärranslutning knappt behandlads under utbildningstiden, och fördjupar sig därför inom området.Resultatet visar vad mindre företag anser vara de viktigaste egenskaperna med en fjärranslutningslösning. Även de värden som uppkom vid tester i laborationsmiljön kommer att presenteras i resultatet. De samlade resultaten kommer sedan visa på vilken mjukvarubaserad lösning som passar bäst för ett mindre företag. .
Utveckling av programvara till ett inbyggt styrsystem
This thesis considers the development of the software for an, newly developed, embedded real-time control system, based on a Periferal Interface Controller (PIC). The control system is developed to be used for several different applications. In this thesis work, software for two different applications are developed. The first task is a time controlled system, while the other task is implementation of aPI-/PID-controller. A user interface is also developed and implemented.The time controlled system is an automatic horse feeder, which is used for feeding horses at certain predefined points in time.