The ?peer to peer? (P2P) is a technology of downloading and filesharing between online - Internet - users by the mean of specified software. Since June 1999, the Napster software has made the happiness of millions of individuals who used it to obtain and share free audio files Mp3. Rapidly, the major recording companies have prosecuted the Napster Company and managed to force it to close down. They were arguing against it for it is supporting the development on a large scale traffic of files protected by copyright and thus was threatening the whole music and movies economic world.

This thesis work aims to describe the prerequisites for a distributed treatment platform for real-time sharing of rounds performed by paediatric oncologists. The work started during the autumn 2004 and is directly aimed at improving the situation for the thirty or so specialist treating children with cancer. The work is not limited to the description of such a platform but also to select suitable software and hardware for the implementation of the platform and further more to coordinate the implementation. The production of several documents describing the platform is also part of this work. The work successfully led to the implementation of such a platform as described in the published article Barnradioterapi på distans Kristenssen et.

This thesis has been a part of Forsmarks Kraftgrupp AB's evaluation of a turbulencemodel used in simulation of turbulent flow called PRNS (Partially Resolved NumericalSimulation). This model has promising properties and may be of use in savingcomputational resources. The purpose of this thesis was to analyze this model andcompare it with industrially applied models such as k-omega SST and LES (Large EddySimulations).PRNS works as a hybrid of the k-omega SST and DNS (Direct Numerical Simulation)where a constant, RCP (Resolution Control Parameter) with a value between 0 and 1are selected. This constant is then used in the calculations and determines thebehavior of the simulation. When RCP is set to zero the equation are the same as fora DNS simulation and when RCP is set to one the equations for k-omega SST issolved.

Today?s society is one where technological advances are made daily, which increases the need to stop and assess the risks against users? integrity when integrating new technology in contemporary systems all the greater. We have taken two technologies, Near Field Communication and Certified Wireless USB, whose envisioned area of use is to be integrated into mobile phones, and evaluated what security threats are revealed for the respective technologies. The threats against security have been identified through research of the standards and existing reports for each technology. Practical experiments have not been conducted on account of us not having access to any equipment to run such trials.

Due to increasing product availability and higher demands on fast deliveries, the competition between companies is growing. To be able to satisfy the customers? requests an efficient logistics system with short throughput time is required. By using tools associated with Lean production companies are able to make great improvements in their manufacturing systems and reduce lead times to satisfy customer demands.There are two classifications associated with manufacturing, high variety and low volume (HVLV) and low volume and high variety (LVHV). The general belief is that the concept of Lean production is difficult to implement in a production environment with high variety and low volume due to the concept being adapted to mass production.

When performing studies that test the reactions of horses in different situations, important information may be available about the horse?s reactivity level. With information from these tests, accidents and dangerous situations may be prevented. When the behaviours from tests are compared with race performance it may be possible to evaluate if some behaviours are more desirable at the race track than others. The aim of this study was to see if behavioural responses correlated with physiological parameters (heart rate, cortisol), the trainer?s opinions and actual race performance.

Lawson Software, ett dotterbolag till Infor, är ett företag med mer än 4000 anställda i 40 länder. De levererar affärsystemlösningar och tjänster till företag inom hälsovård, tillverkning, distribution, underhåll och service.Grundsystemet i Lawsons affärssystem består av en mängd mindre applikationer som körs mot ett egenutvecklat system. Vad jag ska göra är att undersöka möjligheten att övervaka dessa applikationer genom en smartphone och bygga en prototyp för övervakningen i Java, för Android.Applikationen mottogs positivt av Lawson och det finns redan planer på vidare utveckling av den efter exjobbets avslut..

En grafisk ritare i flygande system måste under dess utveckling verifieras för att bekräfta att den fungerar. Då bilderna som ritas inte behöver vara identiska mot referensbilder genererade av en fungerande ritare så ställer det krav på verifieringsprocessen att kunna acceptera en viss grad av "fel". Att automatisera den processen är i högsta grad intressant för att minska kostnaden. Uppsatsen presenterar en samling lösningar på delproblem som kan uppstå, däribland ett sätt att utvinna eventuell transformation mellan två bilder..

The purpose of this thesis was to examine why so many CRM-projects didn`t reach the expected goals that companies management envisaged. The purpose was divided into two research questions. ? How should companies? management design the strategic projection of the CRM implementation? ? How will employees? attitude to changes influence the result of the CRM implementation? The case company was a Swedish technical consulting company: interviews were conducted with two represents from two different departments. The findings of the study were that management often strongly believes that software will sort out most of the upcoming problems and forget the factor that education of employees is at least equal important.

The purpose of this thesis work is to create a prototype for an augmented reality application that isaimed to support service technician when performing service and maintenance of machines andengines. The prototype will be used for investigating what technical limitations there is and toestablish basic usability for the user interface. The method that is used is user studies and analysis toevaluate use cases and user stories. An iterative work process is then applied for design and theprototype is continuously user tested.The resulting prototype uses a Samsung Galaxy Tab 2 running on Android operating system. Theframework used for augmented reality is NyARToolkit which handles marker recognition andconnections to Android.

An Android-application that is intended to be used during airsoftgames (a gamesimilar to paintball) has been developed. In this application, which is called TactiX,players can join different teams and see their team members on a map. Through theapplication players can interact with one another in a variety of ways. They can send text messages, give orders and send drawings to each other. Players can also make observations of enemy players on the map.

Randomness is a complex area of computer science, where only pseudo random numbers are possible to generate algorithmically.This report presents established algorithms for random number generation by conducting a basic study of relevant literature, while testing distribution and speed of the algorithms contained within the C++11 Random library. The results are compared to the algorithm XORShift and a modified version of it. The study shows that the modified algorithm passes all tests in Small Crush, andthat the run time is shorter than for those in the Random library. The conclusion is that it is possible to, with simple means, modify an algorithm to outperform the algorithms of the C++11 Random library..

Denna rapport beskriver utvecklingsprocessen av en programvara som jag har skapat för ett företag inom livsmedelsindustrin. Detta företag har tillverkat en ny produktgren och krävde ett verktyg för administrering av allt från produktion till leveranser. Då den befintliga programvaran inte var lämpad för denna uppgift, utvecklades en skräddarsydd lösning för just detta ändamål och med hänsyn till företagets kompetens och utrustning. Den som läser denna rapport bör ha grundläggande förståelse för programutveckling samt programmeringsspråket C#..

Bakgrund och problemdiskussion: Affärssystembranschen befinner sig i ett paradigmskifte, ett paradigmskifte som karakteriseras av att affärssystem har börjat säljas som tjänst och utmärks av en nyttobaserad betalningsmodell där kunden betalar en hyreskostnad för att kunna nyttja programvaran. Att sälja IT-stöd som tjänst kallas för Software as a Service (SaaS) och den omfattande tjänsteleveransen väntas bli det nya sättet att leverera affärssystem i framtiden. Dubey och Wagle (2007) menar att då erbjudandet ändras krävs det även förändringar i affärsmodellen. Denna diskussion leder fram till studies problemformulering:? Vilka problem kan uppstå i affärsmodellen när en leverantör i affärssystembranschen övergår till att erbjuda SaaS?Syfte: Syftet med denna uppsats är att beskriva de eventuella problem som kan uppstå då en affärsmodell ändras.

This bachelor thesis looks at developers knowledge about web security both regarding their own view on their knowledge and their actual knowledge about vulnerabilities and how you mitigate against them. Web developers knowledge regarding web security are becoming more and more important as more applications and services moves to the web and more and more items become connected to the internet. We are doing this by conducting a survey among developers that are currently studying in the field or are working in the field to get a grip on how the knowledge is regarding the most common security concepts. What we saw was that the result varies between the different concepts and many lack much of the knowledge in web security that is getting increasingly more important to have..