This report concerns the implementation of a simulation framework to evaluate an emerging peer-to-peer network topology scheme using 8-point hypercircles, entitled HyperCircle. This topology was proposed in order to alleviate some of the drawbacks of current P2P systems evolving in an uncontrolled manner, such as scalability issues, network overload and long search times. The framework is supposed to be used to evaluate the advantages of this new topology. The framework has been built on top of an existing simulator software solution, the selection of which was an important part of the development. Weighing different variables such as scalability and API usability, the selection fell on OverSim, an open-source discreet-event simulator based on OMNET++.

After formalizing the protocol for easier implementation, as well as extending it for better performance, implementation followed using C++ with OverSim’s API and simulation library. Implemented as a module (alongside other stock modules providing their own protocols such as Chord and Kademlia), it can be used in OverSim to simulate a user-defined network using one of the simulation routine applications provided (or using a custom application written by the user). For the purposes of this thesis, the standard application KBRTestApp was used; an application sending test messages between randomly selected nodes, while adding and removing nodes at specific time intervals. The adding and removing of nodes can be configured with probability parameters.

Tentative testing shows that this implementation of the HyperCircle protocol has a certain performance gain over the OverSim implementations of the Chord and Kademlia protocols, measurable in the time it takes a message to get from sender to recipient. Further testing is outside the scope of this thesis.

An ontology is an explicit specification of conceptualization which intended to capture and formalize the domain knowledge. The ontologies that formalize knowledge about life sciences are biomedical ontologies. The biomedical ontologies are consisted of concepts (are central units of description) which are used for unambiguous and consistent naming of biomedical data and events. The events refer the tasks, providing descriptions of actions among one or more entities in biomedical domain.

The purpose of study is to understand how the terms are composed in biomedical event ontologies. What are the term patterns exist between biomedical terms? How to represent these term patterns? How to categorize according to part-of-speech? The most important is the identification of primary and secondary events in biomedical event ontology terms and their location in biomedical terms patters.

The proposed method produces Finite State Machine explained in the results chapter 4. The FSM identify the primary event e.g. last token of biomedical term and secondary event is immediately followed by preposition in biomedical term. The FSM is a computation model which is used to design for computer programs. FSM is an abstract machine which can be easily programmed and thus is a step towards automatic event extraction which will further lead us to develop the domain specific application, e.g. semantic search, event database curation support, event extraction and event annotations.

For our study, we selected Gene Ontology (GO). The GO provides ontologies of gene products in three separate domains (i) Cellular components (ii) Molecular functions (iii) Biomedical process for our thesis we have selected biomedical process. For the compositional and structural analysis, a biomedical term is broken down into words, and each word is called as “token”. This process is called tokenization of terms. The tokens are categorized according to natural language grammar such as noun, adjectives, preposition, relational adjectives, etc.

After categorization of tokens on the basis of POS tagging, and the conversion into abbreviation form the resulting form is called as a biomedical term pattern. After collecting the sample of biomedical term patterns we generalized these term patterns and built Finite State Machines.

The research proposed Finite State Machine which provide abstract and concise view of the structure and composition of biomedical terms in biomedical event ontologies. Finite State Machine helps in identification of biomedical events (primary and secondary) in biomedical terms and their possible locations. These Finite State Machines can be used to build computer programs. The computer program will help in building domain specific application e.g. biomedical event corpus, annotation for biomedical event terms, etc.

The results (and evaluation of results) represent that FSMs are the generalized solution to explain the structure of biomedical terms, can identify the events and their locations in biomedical event ontologies.

This Master’s thesis is aimed at improving the management of artifacts in the context of a joint-project between Jönköping University with the SEMCO project and industrial partner, a company involved in developing software for safety components. Both have a slightly distinct interest but this project can serve both parties.

Nowadays feature modelling is efficient way for domain analysis. The purpose of this master thesis is to analysis existing four popular feature diagrams, to find out commonalities between each of them and conclude results to give suggestions of how to use existing notation systems efficiently and according to situations.

The developed software based on knowledge established from research analysis. Two notation systems which are suggested in research part of the thesis report are implemented in the developed software “NotationManager”. The development procedures are also described and developer choices are mentioned along with the comparisons according to the situations

Scope of the research part as well as development is discussed. Future work for developed solution is also suggested.

The thesis work performed at the School of Engineering at Jönköping University has the purpose to design an audio amplifier. The goal was to achieve great performance on the chosen audio amplify type. The chosen type is evaluated with respect to performance. The amplifier should be able to fulfil the following requirements: A one channel output being able to deliver at least 40W and a frequency range between 20Hz to 20 kHz without containing any integrated circuits. The theme in this report will be based on analysing the circuit used for the construction and describing the different surrounding parts in detail and compare it with other circuits with similar functionality. The methods applied before reaching the results are as follows: Literature studies, which among other literatures are [1], [3] and [6]. The other method was to ensure the function of the constructed circuit by connecting it on a breadboard for test verification. The performed tasks at the final phase were construction with the help of CIRCAD and various simulations with the help of Multisim, which has been utilized for developing the audio amplifier. After the exposition of the different moments, which the task has brought, it has given an insight that a huge demands of knowledge is required to have an understanding of how audio amplifier works. This study has given an insight on the main parts required to be able to construct an audio amplifier with the desired performance.

This thesis represents the ontological model for the Time Aspects for a Healthcare Organization. It provides information about activities which take place at different interval of time at Ryhov Hospital. These activities are series of actions which may be happen in predefined sequence and at predefined times or may be happen at any time in a General ward or in Emergency ward of a Ryhov Hospital.

For achieving above mentioned objective, our supervisor conducts a workshop at the start of thesis. In this workshop, the domain experts explain the main idea of ward activities. From this workshop; the author got a lot of knowledge about activities and time aspects. After this, the author start literature review for achieving valuable knowledge about ward activities, time aspects and also methodology steps which are essentials for ontological model. After developing ontological model for Time Aspects, our supervisor also conducts a second workshop. In this workshop, the author presents the model for evaluation purpose.

People with disabilities constitute a big group of Internet users. Due to great advances in adaptive technology for people with disabilities more and more disabled will have access to Internet. For that reason it is extremely important for a web developer to be aware of different disabilities that complicate or prevent using Internet, different adaptive technologies that facilitate using Internet and different methods, both in design and programming, that make Internet accessible for people with disabilities.

In this report we have dealt with three problems:

• Which types of disabilities that complicate or prevent using Internet?

• Which types of adaptive technologies are available concerning using Internet?

• How can a web developer or programmer increase the accessibility to Internet for people with disabilities?To investigate how disabled people use adaptive technologies and which difficulties they experience when using Internet we have interviewed people with various types of disabilities.

This master thesis is about investigation a power efficient anti-moisture device thatcan be implemented in electronic enclosures in severe climatic environments.First, some of the existing knowledge and previous works were introduced. Then arelevant theoretical background including three main approaches in humiditymanagement are described, comparison between the enclosure heaters and localheaters, some psychrometics concepts that have been used in the project, heattransfer fundamentals, environmental test basics, some humidity and temperaturesensing techniques, computational fluid dynamics, programmable logic controlfundamentals, comparison PLCs with microcontrollers was provided.A series experiments have been performed in order to find the power efficient andmost effective anti-moisture method. Based on the analysis of the experiment data,the local heater system has been designed. CFD assisted parametric study of thelocal heater has been performed in order to find the best feasible design includingthe size and location. The local heater has been built based on the results ofparametric study. Different materials have been tested in laboratory in order tofind the proper material for final prototype of heater. The implemented localheater has been integrated with programmable logic control device. The controlalgorithm has been developed for activation/deactivation of local heater. The logiccontrolled PCB local heater has been experimentally evaluated.In the end the results achieved from environmental test have been presented andanalyzed. Some conclusions on the results and also future work have been discussed.

Software patterns have been proven as a valuable way to storing a repeatable solution to a commonly occurring problem in software design. A pattern is not a finished design that can be directly formed into program code; instead it is a description how to solve a problem that may occur in many situations.

In the ontology community very little research have been made in producing high-level patterns where the solution shows how an architecture of an ontology based software might look like.

In this thesis the results of examining how high-level patterns of this type relates to other types of patterns are given and how these patterns would be described are formulated.

Semantic Web technologies are finally, after a few years of infancy, truly entering the business world to support the growing needs of computer aided information selection and processing. There are already quite well-defined development processes and methods in the software engineering field to handle the construction of large scale and complex enterprise systems, and to reuse knowledge in different software domains patterns are considered to be common practise. Patterns can be described on different levels of abstraction, but the patterns in the focus of this paper are on the software architecture level. In this paper we present a definition of the notion ”ontology application pattern”, as a special form of software architecture patterns describing an ontology-based system. We also show how such patterns, as well as the description of the pattern instantiations, can be described using a modified architecture description language.

Information today is a valuable resource for organizations which become more and more dependent on their information systems. Information subject to various threats and the need to be protected in order that organizations can effectively run their business. A systematic information security helps organizations to achieve and maintain a sufficient level of information security.

The study aims to investigate how information is managed within organizations in general. A case study has been performed in Folktandvården (the Public Dental Service), Region Jönköping County to investigate how the organization handle information security. In addition, the study aims to evaluate awareness of information security among employees at the business and to present proposals on how to improve handling of personal data.

Mixed techniques have been used to gather information. Literature studies in the field of information security has been implemented. The empirical data collected through a questionnaire, interviews and written questions sent by e-mail to managers in Folktandvården. This study uses the standards SS-ISO / IEC 27001:2014 and SS-ISO / IEC 27002:2014 to evaluate the information in Folktandvården, Region Jönköping County and to get a picture of how information is managed within organizations.

Organizations can maintain the security of their information by implementing an information security management system (ISMS) that preserves the confidentiality, integrity and availability of information. Information security and ISMS application differs between organizations, which could be affected by the organization's needs and goals, size and structure.

Case study results show that Folktandvården, Region Jönköping County implements an active management of information. The organization manages most of the specifications in the standards. However this study proposes to organize more training programs for information security awareness. These programs should be updated regularly in order to continue to be in line with organizational policies and procedures. It is recommended that the organization performs information classification fully in accordance with the model it has. Additionally, it is recommended to develop the planning of continuity for information. The results from the questionnaire show that the employees are aware of how they handle information security incidents and they think that the systems are available for authorized access. Several of the proposals presented by this study have been heeded and will lead to further work in Folktandvården.

Organizations' personal information should be protected by applying the rules in accordance with applicable regulations. A responsible person in the organization should provide guidance to employees about their responsibility for the handling of personal data.

Purpose – There is no standardized approach for how to managing Customer Requirements, while there are significant challenges in managing them. Thus, the aim of this study is:

To define a framework for the managing of Customer Requirements in Graphic Communication.

In order to find the purpose of the study, a research question was developed and used as basis for the study.

How can Requirements Engineering, Social Relationships and Communication improve the managing of Customer Requirements in Graphic Communication?

Method – The study worked is based on one data collection method, semi-structured interviews, in order to answer the research question. The interviews were conducted to obtain the primary data. The method were selected to ensure a qualitative approach in the study. The study has also literature studies conducted as an important element in order to provide a background on existing theories, methods and tools.

Findings – The study is of an interdisciplinary nature and its results concern areas such as: Requirements Engineering, Graphic Communication, Social Relationships and Communication. These areas have been studied to see how they can interact and ensure a higher and uniformed level of project results, as advertising agencies, consultants in communication and advertising industry delivers. The study resulted in a framework for managing Customer Requirements in Graphic Communications. A framework consisting of two different categories that can affect both practical processes and a social communicative dimension linked to the handling of requirements. The study’s result describes the elements that should be in an iterative design process and how the framework can be used in conjunction with such development.

Implications – The study is considered to contribute to the research world, since its results have opened up new doors for additional areas for applying the Requirements Engineering. For business and everyday-work in the advertising and communication industry, the result demonstrated that the framework for managing Customer Requirements in Graphic Communications should help to support operations work process, and ensuring a more consistent level of quality. Development processes and its final result would have greater opportunity to be successful, while the use of project resources with high probability could be improved and more efficient through the structure framework brings.

Information systems (IS) are nowadays extensively used to support all kinds of activities in healthcare organisations. Enterprise modelling can help to make the use of IS in healthcare more effective by providing process and domain models reflecting a particular healthcare unit. This paper proposes a model of the ward round process in a healthcare unit. The proposed model identifies the roles of medical professionals, tasks that can be performed according to the personnel’s competences, and activities that are carried out as part of the tasks to achieve goals of the ward round process. A formal approach has been used to implement the modelling results in the form of an ontology. Such formal ontologies can support improvement and development of IS in healthcare. We learned that modelling workshops are important for development of models that can be formalized in a machine-readable form.

Abstract

Purpose: The purpose of these theses is to build a deep understanding of CAN-FD and how does it work in the network.

Method:The methods are literature studies that build on scientific books, data sheets, white papers, articles and interviews. 

Findings: This research shows that the scalability of CAN-FD is the same in Classic CAN. Supporting high bit rate and increasing the bandwidth for CAN-FD is the only gap between them. In addition, the result shows that the CAN-FD doesn’t work on Partial Networks.

Implications: The idea of this report was interesting for the companies that have needs for CAN-FD, which help to increase their knowledge about CAN-FD.

Limitations: A Qualitative method was a useful method to reach the needs of this study. This method leads to real results that have been done in the other studies. The only missing for the authors is the scientific research that could build on real experiments and measurements on the hardware or software was not available under this research and this could lead to more clear results.

Limitations: A Qualitative method was a useful method to reach the needs of this study. This method leads to real results that have been done in the other studies. The only missing for the authors is the scientific research that could build on real experiments and measurements on the hardware or software was not available under this research and this could lead to more clear results.

This report represents a comparison between two different tools used to create an online store that was developed by two students at the Technical University in Jönköping. The web shop will be of great benefit to both customers and administrator in a food firm known as Mattias' Livs. The company wanted an online store that facilitates the sale section and gives a full control of their stocks. The aim of this thesis is to create an online store that offers customers the ability to shop online and help the staff to operate the company in a simpler and more efficient way, which reduces the need for human resources and thus leads to less costs for the company. The aim also includes a comparison between the two different tools used to create the online store. At the start of work, the authors discussed the problem with the client and finally came up with a set of requirements, which our work is based on. The report includes an introduction chapter, which is divided into two different sections. The first section describes the background and problem description. While second chapter describes the purpose of the thesis and the subjects that the students will respond at the end of the report. The study compares the two different tools, which is Microsoft Visual Studio and osCommerce. Visual Studio has been the market leader in Internet-based applications since 1997. While osCommerce is a newer tool that has gained significant market share. The two tools are examined through the creation of two websites built into each tool. The results of this study show that Microsoft Visual Studio is a more efficient alternative for creating a stable web applications, but the tool has also some usability problems due to programming complexity. OsCommerce is a simple tool that has some issues with the design customization, at the same time it has a usable interface for the administrator. The web shop was published online by installing the application on a host server which means the customers can order products online.

A student at the Technical University in Jönköping was given an assignment from Falköping municipality. The assignment was to evaluate their IT systems 'users' awareness of information security and even present suggestions for IT-Users to improve their information security within Falköping municipality.

Falköping municipality consists today of seven administrations. The target groups for the study of the information security are a pilot group consisting of 30 IT Users and four different managers from various administrations within Falköping Municipality.

The purpose of this work is mainly to indicate an understanding of the importance of the information security knowledge among IT Users in Falkopings municipality, mainly those who use their smartphones and tablets for work-related activities.

This work aims to answer the following questions:

• How wide is the awareness of information security among municipality's IT users?

• How can information security improve among the municipality's IT users?

Theories that work consists of are mainly what information security is, how it is handled and the threats and risks that may create problems for the municipality, basically when IT Users use their smart phones and tablets.

The Work Implementation started with sending surveys to a pilot group of IT- system users and the student even interviewed four general managers working in Falköpings municipality. Both the questionnaires results and interviews results are presented in diagram and text.

The result from both surveys and interviews was very positive and it shows that the municipality investigated IT-Users are very aware and have knowledge about information security, when they use their smart phones and tablets. There are some suggestions presented for the IT-Users to improve their security in their smart phones and tablets.

At the end of the report a discussion as well as a conclusion is presented. In conclusion there are some points, which explain how risk awareness among municipality’s investigated IT Users appears in the current situation and also there are some suggestions presented for the IT-Users to improve their security in their smart phones and tablets in the future. Falköping municipality should in the future make a larger study to produce a risk assessment. The risk assessment should discuss various threats and risks that IT-systems users experience with their use of smartphones and tablets in their workplace. The student hopes that this thesis will be a good basis for future studies.

The IT-company Conect AB was in need of an improvement of their marketing communication, which involves a development of their website and a production of product sheets about the company’s services that will be available on the website. Because of the company’s already determined information channels and target group, an improvement of their message remained. With theories within Information Technology with concentration on usability, usable web design and usable graphics communication, the company’s message would be clarified. The appliance of the theories would therefore improve the communication with potential and existing customers. The assignment was formulated as a comprehensive question with two part questions:

• How can Information Technology improve a company’s marketing communication?

o How can a website be produced in order to act like a link between the company and the customer with considered theories within usability and usable web design?

o How can a product sheet efficiently mediate information to the customer with considered theories within usability and usable graphics communication?

The development of the product was carried out on the basis of theories which make it easy and understandable. Huge efforts were made on the website’s layout, navigation, structure, and information. With the website as a platform, the product sheets were developed in accordance with it. Important aspects concerning the product sheets were the layout that would ensemble with the website, and the treatment of the information, design of text, pictures, and illustrations.

The result was a marketing product that uses both Internet and personal meetings as a information channel, i.e. the website and the vendor’s meeting with the customer where the product sheets become convenient. The website and the product sheets establish a marketing package where the user can take part of the company’s message.

The product contributed with an improvement of the company’s marketing communication through Internet and personal meetings as information channels, where the website and the product sheets communicate with the customers in an efficient way. With informative headlines, texts and pictures that ensemble with a user friendly navigation and structure, the message reaches the user more efficiently. Thus the goal of positive marketing communication has been achieved.

This paper describes the evolutionary development of an information system for a small company. The company performs overhaul of forklifts and cleaning machines. The company has already an information system that handles the reports from these overhauls but it needs a supplementary tool that assist the chief planner to plan forthcoming overhauls.

It should be able to display coming overhauls in a timetable and eventually print them, either to a PDF file or to a document. The timetables this function produces will help the chief planner and the assemblers to get a good overview of their day-to-day work.

The tool needs to be intelligent in that way that it takes into consideration were in the country different assignments will be performed. So that time consuming travels over great distances can be avoided. This coordination will lead to higher profitability for the company and more satisfied customers.

The paper contains theoretic background about what models and methods that are used in the development of an information system. This theoretic background is then used when developing a system in practise and the result of this is then showed. In the end the results are compared to the demands, goals and requirements stated in the beginning of the paper, to see if they are fulfilled.

This is a degree thesis at the S c ho o l o f E n gineering, Jö nkö pin g U niversity. It’s a part of the programme: Communication and Information Technology, and are mainly based on knowledge from the following courses: Programming Methods, Database Systems and Trends, Software Engineering Methods and Systems Analysis and Design with a Concept of Quality.

Detta examensarbete behandlar problemet med att testa inbyggda system i kontorsmiljö. För att göra detta och därigenom kunna göra anrop på det inbyggda systemets API, måste detta anrop skickas som ett seriellt datapaket över en seriell kommunikationslänk som TCP/IP.

Detta möjliggjordes genom att först upprätta en kommunikationslänk med protokollet TCP/IP, där användningen av POSIX-sockets tillämpades. För att packa ner och packa upp funktionsanropen till seriell data implementerades ett protokoll som följdes när detta utfördes. Hantering av data i samband med överföring över TCP/IP sköttes av ett protokoll vid namn BGSFP, ett protokoll som bygger på det tidigare protokollet TSFP.

IT-companies today need to experiment with the technology they deliver to their customers. A laboratory environment with little or no planning behind it can have a quite low efficiency. The term “efficiency” is used, in this work, as a measure-ment of how much time it takes to complete a certain work-task. However, effi-ciency also means reducing the useage of resources. Increased efficiency means that less time is used to complete one or more tasks. Today, IT-companies nor-mally utilize a fraction of their total server capacity. To utilize the servers more efficiently, and be more economic, virtualization is a good solution. TDC, who delivers communication solutions, has a laboratory environment at their office in Växjö. The work includes, among other things, time-consuming reinstallation of servers. Another problem is that people currently often need to be in the envi-ronment, physically. This limits the use of the environment because people in oth-er offices have no chance of using it. The purpose of this work is to develop guidelines as to build efficient laboratory environments for servers and network-units, and to reduce the need of physical access to the laboratory equipment.

During the work a workshop was conducted, regular telephone reconciliations were held, experiments were done and a literature research was made. The exper-iments dealt with virtualization and external storage. The goal has been to develop guidelines on how to build efficient laboratory environments. Through the litera-ture research, in multiple databases, sources were found that support the theory and the results.

The guidelines developed show how to reduce the need of physical presence by allowing remote access and having a well-planned network structure. By configur-ing the remote access properly the equipment can be accessed even if some parts of the network structure are not fully functional. Servers can be accessed via a special expansion card as long as they have power and network access. This way, you can start and stop the server and even reinstall its operatingsystem, all of it remotely. It is essential in a laboratory environment to be able to restore the con-figuration of a device to a initial state, or known working state. For networking units this is accomplished by storing (and getting) configurations from a central server. Virtualization is a good option when it comes to restoring servers, because it is easy to save snapshots of virtual machines. The whole environment and its routines should be well documented.

Network-on-Chip (NoC) is a new on-chip communication paradigm for future IP-core based System-on-Chip (SoC), designed to remove a number of limitations of today’s on-chip interconnect solutions. A NoC interconnects cores by means of a packet switched micro-network, which improves scalability and reusability, resulting in a shorter time to market. A typical NoC will be running many applications concurrently, which results in shared network capacity between different kinds of traffic flows. Due to the diverse characteristic of applications, some traffic flows will require real-time communication guarantees while others are tolerant to even some loss of data. In order to provide different levels of Quality-of-Service (QoS) for traffic flows, the communication traffic is separated into different service classes. Traffic in NoC is typically classified into two service classes: the guaranteed throughput (GT) and the best-effort (BE) service class. The GT class offers strict QoS guarantees by setting up a virtual path with reserved bandwidth between the source (GT-producer) and destination (GT-consumer), called a GT-path. The BE class offers no strict QoS guarantees, but tries to efficiently use any network capacity which may become available from the GT traffic. The GT traffic may not fully utilize its bandwidth reservation if its communication volume varies, leading to time intervals where there is no GT traffic using the bandwidth reservation. These intervals are referred to as slack-time. If the slack can not be used this leads to unnecessarily reduced performance of BE traffic, since a part of the available network capacity becomes blocked. This thesis deals with methods to efficiently use the slack-time for BE traffic. The contributions include three new dynamic schemes for slack distribution in NoC. First, a scheme to inform the routers of a GT-path about available slack is evaluated. The GT-producer plans its traffic using a special playout buffer, and issues control packets containing the actual amount of slack-time available. The results show that this scheme leads to decreased latency, jitter and packet drops for BE traffic. Secondly, an extension to this scheme is evaluated, where slack is distributed among multiple GT-paths (slack distribution in space). This opens up the possibility to balance the QoS of BE traffic flows which overlap with the GT-paths. Thirdly, a scheme to distribute slack among the links of a GT-path (slack distribution in time) is proposed. In this approach, arriving GT-packets, at a certain router along the GT-path, can wait for a maximum defined amount of time. During this time, any waiting BE traffic in the buffers can be forwarded over the GT-path. The results confirm that this is especially important during high BE-traffic load, where this technique decreases the jitter of BE traffic considerably.

Recently, network on chip (NoC) architectures are being

proposed for implementing multi-core systems for realtime

multi-media applications. The communication

traffic of those systems will be a mix of guaranteed

throughput (GT) and best effort (BE) traffic. GT traffic

not only lead to under-utilization of communication links

and routers, but also leads to degradation of QoS

parameters for BE traffic. We propose a dynamic routing

scheme for reducing jitter in the latency of BE traffic

affected by the GT traffic. Our results from modeling and

simulation indicate that a significant improvement in

jitter can be achieved.

It is possible to concurrently run multiple

applications on IP-core based SoC built using Network

on Chip (NoC) paradigm. Some applications require

predictable and guaranteed on-chip communication

performance. In this paper we propose a new approach

for using underutilized reservation of guaranteed

throughput (GT) traffic to improve the performance of

best effort (BE) traffic. We have modeled our scheme for

a mesh topology NoC on a simulation platform. The

results show that the proposed scheme leads to

significant improvement in BE performance.

Efficient routing schemes are essential if Network on

Chip (NoC) architectures are to be used for implementing

multi-core systems for real-time multi-media applications.

These systems will be characterized by internal communication

traffic which is a mix of traffic requiring guaranteed

throughput (GT) and other traffic requiring some other QoS

properties like latency and less packet drops. Communication

resources are generally reserved for providing GT

performance. In this paper we propose a dynamic scheme for

improving packet drop probability of other traffic by

intelligently utilizing the under-utilized reserved

communication resources of GT traffic. We demonstrate the

effectiveness of our scheme by simulation.

Thule Sweden AB develop, manufacture, and market complete and functional load carriers for cars. They provide a large amount of different load carriers for over 1500 car models. They also manufacture carriers such as bike carriers, roof boxes, ski carriers and water sport carriers. To be able to put a roof carrier on a car, a load carrier must be manufactured and be placed between the car roof and the roof carrier.

We have developed software that the group of workers at Thule can use to search/add/edit brackets, instead of manually search in a folder containing over 700 drawings. The program was first developed in Microsoft Visual Studio 2003 (.NET Framework 1.1), but has been rewritten in Microsoft’s new develop environment Visual Studio 2005 (.NET Framework 2.0).

Before we started to write the program, Thule gave us a specification of requirements that contained information of possible functions in the program. The specification of requirements has been changed a couple of times during our work. We have also put up a website where bugs and changes could be reported.

Except a part in this report, where we describe how the program is built, how we have solved problems, there is also theoretical information about how databases, XML and other techniques work.

The result of this project became an application, which the personnel at Thule can use while they visit their customers. The saved information can later be synchronised with the server.

Search Engine Optimization (SEO) has become a very important part forcompanies and businesses when it comes to improve their online profile.When you refer to SEO you mean the changes you make on a website toimprove the results in search engines, and in such a way have a greaterexposure. When you make changes to a page, you can divide the changesyou make as ”on” and ”off-site”. Changes "on-site" means that you makechanges in html code to strategically place keywords that are important foryour business. You also attempt to make the pages as user-friendly aspossible. Off-site strategies consist largely of ways to raise the number ofrelevant inbound linked to your page. This is one of the most important waysfor search engines to determine if the content is important or not. A site thathas many relevant inbound links is seen to be more ”important” and will allowthe search engines to rely on the contents and the page moves up in ranking.Both the optimization of on-and off-site improves a web page's chance to rankhigher in search results.This paper will go into the basic function of the search engines and also whatcan be done to webpage’s to improve the ranking of the sites. It will go intothe concept of ”keyword”, what it means for the search engines and how toacquire, how to use and how to place them on a webpage.

The increase in the number of cores that can be integrated on a single chip has forced the designer to use computer network concepts for design of System on Chip (SoC). This idea led to development of Network on Chip (NoC) to deal with more cores on a single chip. NoC has three main parts, namely routers, link and network interface through which cores are connected to NoC. Router is one of the most important parts because cores communicate with other cores through routers. One of the important tasks for a NoC designer is to design router with low latency.Router design depends on the routing protocol and routing algorithm used. Two kinds of routing algorithms are source routing and distributed routing. In source routing, complete route information is available in Head flit while in distributed routing, routing decisions are taken inside every router on the path. Source routing has speed advantage over distributed routing because the packet itself contains the routing information. But source routing leads to overhead to store complete path information in the header of each packet. To overcome this flaw, junction based source routing has been introduced. If destination is far away from the source then first packet will go to a junction and get the new path information from the junction to the destination. Thus we need to store the path information only for a few hops in the packet header. This idea has been taken from the daily experience of train journey. In this thesis we have developed design of a router for junction based source routing. Main component of simple router includes buffering, header modification and making route decision. Router includes a table called Path Table which stores information about paths from junction to various destinations. JB router also includes, picking up the new path information from Path Table and modify the header by adding new path information.We have developed VHDL designs of two versions of the routers for Junction Based Routing. The delay performance of routers have been analysed through simulation. A simple prototype of the router has also been implemented in Altera FPGA to find out the resource requirements of the new router designs.

This thesis work deals with the most actual topic in Computer Vision field which is scene understanding and this using matching of 3D feature point images. The objective is to make use of Saab’s latest breakthrough in extraction of 3D feature points, to identify the best alignment of at least two 3D feature point images.

The thesis gives a theoretical overview of the latest algorithms used for feature detection, description and matching. The work continues with a brief description of the simultaneous localization and mapping (SLAM) technique, ending with a case study on evaluation of the newly developed software solution for SLAM, called slam6d.

Slam6d is a tool that registers point clouds into a common coordinate system. It does an automatic high-accurate registration of the laser scans. In the case study the use of slam6d is extended in registering 3D feature point images extracted from a stereo camera and the results of registration are analyzed.

In the case study we start with registration of one single 3D feature point image captured from stationary image sensor continuing with registration of multiple images following a trail.

Finally the conclusion from the case study results is that slam6d can register non-laser scan extracted feature point images with high-accuracy in case of single image but it introduces some overlapping results in the case of multiple images following a trail.

In today’s consumption society, the image and core values of a company have become more important in order to secure the attention on the market. All entrepreneurs have to distinguish themselves in the extremely tight competition.

This thesis examines how product photos can reach out to the consumers successfully. Both students have previous experiences from model shoots – but now want to study the possibilities to sell a product without a human model.

The purpose of the thesis is to examine how to convey core values by commercial product photos - how to best capture the attention of a customer. We have broken down the study in the following questions:

-   What are the major factors, influencing the viewer, of an advertisement picture?

-   In what ways can a company's core values be conveyed by a product photo?

To reach our conclusions we’ve interviewed two experts in the field; a photographer and a stylist. We also conducted a competitor analysis which conclusions we’ve tested on a test group of 88 people. Literature studies in picture communication, perception and how to process information are also the basis for our conclusions.

The result of our thesis is that – there are many variables that affect how to communicate core values with a commercial product photo. There are plenty of perception techniques and other methods to get the attention of the viewer. These techniques can be applied to all kinds of products but in different ways – and you have to know them all and when to use them.

Finally, the most important outcome of our thesis is that lighting and composition in particular are the major factors when communicating core values by product photos.

The nature of software development has changed in last decade. Waterfall or traditional command and control methods have been replaced by Agile methodologies. Agile came as a “solution” to the disadvantages of the waterfall methodology, but using Agile has its own challenges. Due to the attractive characteristics of Agile such as flexibility and short time-to-market, Agile development has been increasingly popular and the number of organisations which have started to move to Agile is growing every day. Implementing new methodologies in any organisation is always a big challenge, especially for large-scale organisations due to their complexity, many different interacting interfaces, strong organisational culture, etc.

The nature of these challenges and obstacles changes from different perspectives within an organisation, and each of these perspectives needs to be studied and investigated to ensure a successful transition from traditional approaches to Agile. In this thesis we focus on the project manager and project governance perspectives. We aim to define the success and failure factors that play a key role in moving from traditional approaches to Agile approaches in large-scale organisations.

To address these challenges we conducted literature reviews on the latest research in implementing Agile methodologies. To collect our data we used a combination of qualitative and quantitative research methods. We explored both IT project manager and Chief project manager opinions and experiences of the organisations by conducting interviews and questionnaires in our research.

The results reveals the difficulty to find proper product owners in the Agile projects. It is challenging to set a product owner who has Agile knowledge and is expert in the project domain. Specialized training and coaching for product owners is mentioned as one of the solutions that could be provided for this challenge. “Distributed teams”, “Lack of focus on the business side” and “Weak coaching and support” are some of the other critical areas which have been presented by the participants in the interviews and survey in this study.

The main conclusion is that in order to have a successful transition to Agile approaches, the Agile mind-set should be set in all different part in an organizations, not only the development side and also that everyone have to understand “Why” Agile is beneficial. Also the communication of lessons learnt and feedback should be strong and effective in order to avoid repetition of the same mistakes. In addition, specialized training and coaching for different roles within the period of the development is necessary to ensure the successful adoption of Agile.

To support communication among hundreds of cores on a chip, on-chip communication must be well organized. In the embedded systems using such a chip, the communication patterns can be profiled off-line and routing can be well planned. Source routing has been shown to be suitable in such contexts. However, source routing has one serious drawback of overhead for storing the path information in header of every packet. This disadvantage becomes worse as the size of the network grows. In this paper we propose a technique, called Junction Based Routing (JBR), to remove this limitation. In the proposed technique, path information for only a few hops is stored in the packet header.

With this information, either the packet reaches the destination, or  reaches a junction from where the path information for on-ward path is picked up. There are many interesting issues related to this approach. We discuss and solve two important issues related to JBR, namely, the required number of junctions and their positions and path computation for efficient deadlock-free routing. A simulator has been developed to evaluate the performance of JBR and compare it with simple source routing. We observe that JBR has slightly worse performance as compared to pure source routing for packets with large payload. But JBR has  potential of higher performance for packets with small payloads.

Abstract

To support communication among hundreds of cores on a chip, on-chip

communication must be well organized. In the embedded systems using such a chip,

the communication patterns can be profiled and routing can be well planned off-line.

Source routing, with many advantages over distributed routing, will be very suitable

in such contexts. However, source routing has one serious drawback of overhead for

storing the path information in header of every packet. This disadvantage becomes

worse as the size of the network grows. In this thesis we propose a technique, called

Junction Based Routing (JBR), to remove this limitation. In the proposed technique,

path information for only a few hops is stored in the packet header. With this

information, either the packet reaches the destination, or reaches a junction from

where the path information for on-ward path is picked up.

There are many interesting issues related to this approach. Two important issues

related to JBR, namely, number and position of junctions and path computation for

efficient deadlock free routing are discussed and solved in this thesis work. Increase

in path length by using the minimum number of junctions, link load distribution while

computing paths, path encoding for JBR and packet format in JBR are also discussed.

A few tools have been developed in MATLAB to analyze the various aspects of JBR.

A simulator has been also developed to evaluate the performance of JBR with simple

source routing. Outline of the architecture for a junction is also proposed.

The results of simulation-based experiments show that the performance of JBR is

similar to source routing. JBR is compared with source routing and the simulationbased

results show that latency does not increase so much using junctions.

Throughput also does not level off significantly. Header flit in JBR can carry payload

data and this improves the performance of JBR in terms of throughput and latency

compared to source routing which needs to store large path information. We observe

improvement in throughput as compared to basic source routing when payload is very

small.

Key Words

System on Chip (SoC)

Core-Based Design

On Chip Communication

Network on Chip (NoC)

Packet Switched Network

Routing Algorithms

Source Routing

Junction-Based Routing

Specification and Description Language (SDL)

HLA, stands for High Level Architecture, is an IEEE standard to provide interoperability among Modeling and Simulation (M&S) systems. HLA defines an XML-based format, called Object Model Template (OMT), to represent data and information exchange between systems. The problem with XML representation, though, is that it is incapable of providing semantic interoperability. On the contrary, using representations like ontology languages (OWL) is one practical approach to provide such interoperability. This thesis studies the state of the art of the generic XML to OWL mapping strategies, aims to identify the shortcoming in those strategies to accomplish a translation between HLA XML-based object model and OWL ontology, and, eventually, introduces a framework for such translation. The framework proposed in this study is implemented and evaluated using HLA object models defined in WISE, which is an M&S integration platform developed by SAAB.

The induced current in a wire placed inside a conducting box due to field penetration through apertures has been studied using FDTD simulations. Two box configurations have been investigated in order to evaluate the difference in coupling with one large aperture and the combination of a large and a narrow aperture. The coupling to a wire placed above a ground plane has also been studied to compare it with the test cases involving the box.