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  • 101.
    Smite, Darja
    et al.
    Blekinge Institute of Technology, Karlskrona, Sweden.
    van Solingen, Rini
    Delft University of Technology, The Netherlands.
    Chatzipetrou, Panagiota
    Örebro University, Örebro University School of Business. Blekinge Institute of Technology, Karlskrona, Sweden.
    The Offshoring Elephant in the Room: Turnover Strategies for Addressing Turnover When Offshoring to India2019In: IEEE Software, ISSN 0740-7459, E-ISSN 1937-4194Article in journal (Refereed)
    Abstract [en]

    Staffing software projects with engineers from best-cost locations has become a commonality. However, distributed development is proved to be very challenging with many referenced problems, such as low productivity and quality, and high extra costs. One main reason for many challenges that is often overlooked is high employee turnover. In developing locations, such as India, turnover is significantly larger due to personal benefits from ‘job-hopping’. Why is turnover such a problem? Should then companies not source to countries with high turnover rates? Or are there any other strategies to apply? This research attempts to gain a better understanding of the impacts of employee turnover in offshoring to India and the strategies to address it. We share experience from two industrial cases, discuss important variables for portraying the true turnover state and its severe negative impacts. Furthermore, we put forward strategies to either reduce the turnover or combat its negative impact.

  • 102.
    Steccanella, Lorenzo
    Örebro University, School of Science and Technology.
    Fast, Continuos State Path Smoothing for Waist Articulated Vehicle2015Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    Autonomous navigation in real-world environments is an open challenging

    task. A way for compute trajectory for non holonomic vehicles is to use a lattice

    based motion planners, that can successfully generate kinematically and

    kinodynamically feasible motions, but an open problem of this approach is the

    inaccuracy of reaching the goal and the not smoothness of the path. The aim of

    the thesis is to solve this two problem. We relate to the work proposed by Andreasson

    et al. [10] for achive this problem implementing an Optimal Control

    problem with the ACADO tookit. The approach reveals to be successful, the

    paths after the application of the Optimal Control Problem results smoother

    and with a very accurate end position.

  • 103.
    Strand, Fredrik
    Örebro University, School of Science and Technology.
    MULTI-AGENT SIMULATION USING CONCURRENT COMPUTING2009Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Multi-Agent simulation have a wide area of use. Not only can it be used to plan for major constructions, it can also be used to simulate how people react in situations where when they loose their rational behaviours. Scenarios where this occurs could be in a fire or during a warm day in a traffic jam. The benefit for the society could be enormous if the concept of Multi-Agent simulation gets a wide use. In a realistic simulation one need as many agents as possible. If we as an example want to simulate a smaller city during an earthquake, it would be interesting to be able to have a large number of agents and see how they react to the catastrophe and each other. This is where concurrent computing have a potential use since it allows the simulation to run with higher performance and thus are we able to have more agents in the simulation. In an attempt to even further increase the amount of possible agents in the simulation, experiments of “cache-friendly” methods were carried out with successful results. This project is proposing one of many solutions on how to implement an engine capable of simulating a huge amount of agents using concurrent computing.

  • 104.
    Strömberg, Daniel
    Örebro University, School of Science and Technology.
    Scripthanteringsverktyg2014Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    AngryScriptManager is aninhouse developedtool used by the CAB company for developingscripts used by CAB in their daily business.The scripts has a tendency to become very large and the need to break them up into smaller pieces has now raised new demands of a tool to handlingthesesmall scripts and enabling putting them together into a large script.

     

    The application has been developed with a GUI where these small re-usable scripts are stored in a SQL Server database. The new functionality has been developed in C# with components from WPF and using design pattern MVVM. Some other techniques in this application are ReactiveUI, Entity Framework with CodeFirst and Repository Pattern.

  • 105.
    Strömberg, Niclas
    Örebro University, School of Science and Technology.
    Grundläggande undersökning och utveckling av GPS- spårningssystem för androidenheter2015Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This report details both the development of two separate applications for Android and a comparative evaluation between the two. The applications where supposed to regularly collect and transmit the device position to a server for tracking. The applications where meant to be used at orientation events to maintain locations of all participants in real-time. At the end of this report the evaluation tries to determine the most effective solution based on energy consumption and data transfer time.

     

    The project was performed for Progmera in Linköping, Sweden. The company had clients in the orientation business.

  • 106.
    To, Jimmy
    et al.
    Örebro University, School of Science and Technology.
    Lithell, Mattias
    Örebro University, School of Science and Technology.
    Sigma energy app2014Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Sigma energy app is a mobile application for subscribers to various energy subscriptions. The subscribers can use this mobile application to access information regarding their consumption, invoices and active subscriptions. The mobile application that was built consists of a GUI and a web API as middleman between the application and the database.                     

  • 107.
    Trenkler, Irmin
    Örebro University, School of Science and Technology.
    Managementsystem för livsmedelsindustrin2013Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This report describes the development of software that I have created for a company in the food industry. This company has created a new product line and required a tool to administer everything from production to shipping. Since the existing software was not suited for this task, a customized solution was developed for this purpose, based on the company's expertise and equipment.

     

    The reader of this report should have a basic understanding of software development and the programming language C#.

  • 108.
    Ullberg, Jonas
    Örebro University, School of Science and Technology.
    2009Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    Public demand for intelligent services in their home environments can be expected to grow in the near future once the required technology becomes more widely available and mature. Many intelligent home services cannot be provided in a purely reactive fashion though since they require contextual knowledge about the environment and most importantly the activities the residents are engaged in at any given time. This poses a problem since information about a human’s behavior is not easily accessible and has to be recognized from aggregated sensor data in most cases. Numerous activity recognition techniqueshave been studied in the literature. In this thesis we focus on one such technique which takes a temporal reasoning approach to activity recognition, namely recognizing activities by planning for them with a temporal planner. OMPS is an example of such a planner that has been used in previous work to recognize activities of humans in domestic environments. An important requirement for monitoring activities in a real world application is the ability to do so continuously and reliably. Two shortcomings in the previous approach hindered OMPS’s capability to meet this requirement, namely maintaining the performance of the activity recognition over long monitoring horizons, and ensuring future temporal consistency of recognized activities. This thesis will define the two problems, detail their solutions, and finally evaluate the modified system with the corresponding changes implemented.

  • 109.
    Vadi-Dris, David
    et al.
    Örebro University, School of Science and Technology.
    Pasma, Miika
    Örebro University, School of Science and Technology.
    Game Entry to Swedish Game Awards: "Winds of Kahlara"2010Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This is a report that describes the implementation of a computer technical examination project at Örebro University. More specifically it is about how two students have developed a computer game as an entry for Swedish Game Awards, a competition for games developed without interaction from commercial companies. The game, titled “Winds of Kahlara”, is written for PC and lets the participants compete against each other over a network in a 3D environment. The graphical theme is fantasy and the players utilize among other things magical attacks to kill their opponents. The development itself has taken more than a year since the complexity of the game has required extensive technical research and graphical designing.

  • 110.
    Westholm, Erik
    Örebro University, School of Science and Technology.
    A Simulator Tool for Human Activity Recognition2010Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    The goal of this project was to create a simulator that was to produce data for research in the field of activity recognition. The simulator was to simulate a human entity moving around in, and interacting with, a PEIS environment. This simulator ended up being based on The Sims 3, and how this was done is described. The reader is expected to have some experience with programming.

  • 111.
    Wilcox, Andreas
    Örebro University, School of Science and Technology.
    Simulation av Xbox Live Indie Games gränssnittet2011Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This thesis was developed as an assignment from Ludosity Interactive where the goal was to develop a copy of the Xbox Live Indie Games-marketplace from the Xbox 360. Ludosity Interactive had a necessity to easily test a game's attractiveness to potential customers using testing people from outside the company in a simulated Xbox Live Indie Games test environment; excluding this developed system there is no other way to do such an analysis without actually releasing the game on the Xbox Live Indie Games marketplace and then analyze the resulting sales from the product.

    The finished system had to be similar to the original system to the degree that a user could see past the interface itself and use the system just as he/she would have used the real marketplace. It also had to be easy to change and add games to the system so that Ludosity Interactive easily could show the games and the data that they deemed interesting for their tests. The final product was developed using C#, XNA and XML together with an Agileinspired development method in combination with Pivotal Tracker. This report describes how this product was developed.

  • 112.
    Yu, Liang
    et al.
    Qvantel Sweden AB, Karlskrona, Sweden; Blekinge Institute of Technology, Karlskrona, Sweden.
    Alégroth, Emil
    Blekinge Institute of Technology, Karlskrona, Sweden.
    Chatzipetrou, Panagiota
    Örebro University, Örebro University School of Business.
    Gorschek, Tony
    Blekinge Institute of Technology, Karlskrona, Sweden.
    Utilising CI environment for efficient and effective testing of NFRs2020In: Information and Software Technology, ISSN 0950-5849, E-ISSN 1873-6025, Vol. 117, article id 106199Article in journal (Refereed)
    Abstract [en]

    Context

    Continuous integration (CI) is a practice that aims to continuously verify quality aspects of a software intensive system both for functional and non-functional requirements (NFRs). Functional requirements are the inputs of development and can be tested in isolation, utilising either manual or automated tests. In contrast, some NFRs are difficult to test without functionality, for NFRs are often aspects of functionality and express quality aspects. Lacking this testability attribute makes NFR testing complicated and, therefore, underrepresented in industrial practice. However, the emergence of CI has radically affected software development and created new avenues for software quality evaluation and quality information acquisition. Research has, consequently, been devoted to the utilisation of this additional information for more efficient and effective NFR verification.

    Objective

    We aim to identify the state-of-the-art of utilising the CI environment for NFR testing, hereinafter referred to as CI-NFR testing.

    Method

    Through rigorous selection, from an initial set of 747 papers, we identified 47 papers that describe how NFRs are tested in a CI environment. Evidence-based analysis, through coding, is performed on the identified papers in this SLR.

    Results

    Firstly, ten CI approaches are described by the papers selected, each describing different tools and nine different NFRs where reported to be tested. Secondly, although possible, CI-NFR testing is associated with eight challenges that adversely affect its adoption. Thirdly, the identified CI-NFR testing processes are tool-driven, but there is a lack of NFR testing tools that can be used in the CI environment. Finally, we proposed a CI framework for NFRs testing.

    Conclusion

    A synthesised CI framework is proposed for testing various NFRs, and associated CI tools are also mapped. This contribution is valuable as results of the study also show that CI-NFR testing can help improve the quality of NFR testing in practices.

  • 113.
    Öjebo, Erik
    Örebro University, School of Science and Technology.
    Objekt-relationsmappning i datacentrerad applikation2009Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This report presents a study of six different object-relational mapping frameworks, namely Entity Framework, LINQ to SQL, NHibernate, Castle ActiveRecord, MyGeneration Doodads and Subsonic. The study describes the strengths and weaknesses of the various frameworks and discusses when each framework is appropriate to use.

    The frameworks that were judged to be the most interesting were NHibernate and Entity Framework, since they provide flexible mapping between the domain model and the underlying database schema as well as good availability of documentation and literature.

    The study was used as a basis for deciding which of the frameworks that should be used in a rewrite of an existing application for the IT consulting company Sogeti. The framework that was considered the most appropriate for the application was NHibernate.

123 101 - 113 of 113
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  • nn-NO
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