In this thesis the Norwegian Mobile Internet (NMI) is investigated. The critical approach, to my research, stems from a Habermasian concern for collective liberation through the cultivation of a (networked) public sphere, ...

Prosjektarbeid er alltid utfordrende med tanke på samarbeid, kommunikasjon og deling av informasjon. Hvordan teknologien hjelper (eller ikke) i den sammenhengen er tema for denne oppgaven. Vi tar for oss case av studentprosjekter ...

Every large groupware project includes by necessity many different users. The top-down approach of the 80s and 90s is changing towards a more user centered approach. What implications does a focus on user involvement have ...

The QoS-aware Component Architecture (QuA), developed by Simula Research Laboratory, is a component based adaptive middleware architecture that supports development of distributed systems which need to handle what is ...

Dette er en masteravhandling ved Instituttet for Informatikk, Universitetet i Oslo som tar for seg integrering av webinnhold direkte i mobilapplikasjoner sett i lys av brukeropplevelsen og applikasjonskontekst. En vanlig ...

Denne masteroppgave tar for seg restriksjoner (OCL), og viser eksempler hvor OCL blir brukt sammen med BVR feature modeling. Et verktøy som støtter OCL og BVR er utviklet under masteren.

This thesis investigates the suitability of extending the rewriting-logic-based Maude framework, in particular Real-Time Maude, to support the formal modeling and analysis of untimed and timed priced systems. The first ...

In the continuing hunt for better and more powerful monitoring and control, we see an increased interest for small and light electronic devices adapted for these tasks. This is seen both in tracking of goods, machinery, ...

Personal device integration is the process of interconnecting devices, such as mobile phones and home entertainment systems. In this thesis we examine the underlaying technology, the need for development and current progress ...

This thesis is based on my experiences participating in a global Open Source development project of a health information system (HIS). The software is developed in multiple countries, including India, Norway and Vietnam. ...

Denne hovedoppgaven fokuserer på hvordan man kan anvende modelleringsspråket UML og UMLs verktøy til å modellere informasjonsmodeller i SERES. SERES fokuserer på verktøy og metodikk for å understøtte semantisk interopera ...

Hvordan kan man ta så gode gruppebeslutninger som mulig? Noen metoder som det anbefales å bruke er gruppediskusjon, Delphi-metoden og statistisk gruppe. Ingen av dem gjør hva gode metoder egentlig bør: Stimulere kritisk ...

I dagens samfunn ønsker vi å innføre programvaresystemer for å effektivisere og sikre kvaliteten på tjenester. Programvaresystemene blir større og større, og det stilles store krav til stabilitet og brukervennlighet. Dette ...

This thesis considers ways that analysis of Opera mini logs can assist decisions related to global and local load balancing of Opera mini clusters. The analy- sis is aimed to determine the distribution of traffic with ...

The problem of information overload was described by Vannevar Bush as early as 1945 in his article “As We May Think”, and as we continue to make it easier to create information we also increase the probability of getting ...

WiMAX is a wireless access system that offers fixed, nomadic, portable and soon mobile wireless broadband connectivity. Much hype is spread about system performance and loads of contrary statements are observed. This thesis ...

In this thesis, I compare Free Vertical Domain Information System (FVDIS) projects, represented by the District Health Information Software version 2 (DHIS 2) project and OpenMRS, with traditional open source projects. The ...

In this master thesis we investigate lambda calculus and the theory of combinatory logic. Two computational models strongly related to functional programming languages. The lambda calculus is a theoretical foundation and ...

Studies in natural science and mathematics are loosing popularity among young people all across the world. In Norway this is no different. This is a concerning matter for the future and ways of motivating students for these ...

Classification and visualization of critical points in 3D vector fields is a challenging task. In this thesis, we have developed a full set of methods ranging from locating critical points, to classification and visualization ...

The search for security has always been one of the motivations of humankind. Nowadays data systems are constantly threaten by risks. Security risk analyses have to be carried out in order to identify and prevent these ...

Open distributed systems are composed of geographically dispersed components that may be modified at run-time. Such systems are becoming increasingly important, particularly when they are part of the infrastructure used ...

Utenriksdepartementet i Oslo (UD) har innført noen av de prosesser som beskrevet i ITIL. Denne rapporten studerer rammeverket for de prosesser som er innført og ser på hvordan UD har valgt å implementere deler av disse ...

In recent years, there has been an increased interest in how people actually experience their interactions with digital technology, and more research is now addressing issues going beyond the instrumental. This approach ...

This is a master thesis (short type) written during the spring of 2008 at the University of Oslo under the guidance of the MOSCITO project. The objective of the thesis is to explore presence mediation mechanisms and ...

‘Digital Rights Management systems’, or ‘DRM systems’, is an umbrella term usually referring to a wide set of technologies, whose primary use is to enforce the pre-defined policies (e.g. copyrights) that a given digital ...

Applications needs to have their working set in main memory to work efficiently. When there is memory contention, data has to be read from and written to slow backing store, such as disk. Compressed caching is a way to ...

One important task of any peer-to-peer streaming system (p2p-ss) is how to choose which peers should connect to which peers. How well a p2p-ss perform this task greatly influences its performance. This thesis explores how ...

Variable splitting is a recently introduced tableau technique for first order logic. It aims to identify when different occurrences of the same variable are independent and thus need not be treated as rigid. By removing ...

En webapplikasjon for å presentere og analysere statistikk om overrepresenterte ord i DNA fra bakterier, samt verktøy for å jobbe med denne informasjonen i enkeltstående python-programmer.

The core concept of Free Open Source Software (FOSS) is that full access to software source code must be granted in order to give individuals the freedom to create, use and distribute software. It emphasises the logic of ...

Digital information sharing is vital to improve efficiency in rescue and emergency operations. In the absence of infrastructure, the devices brought into the area by rescue personnel, might be used to set up a mobile ad-hoc ...

Sammendrag Denne oppgaven undersøker humor om kjønn og sex i e-post. Sentrale problemstillinger er: Hva er det som kjennetegner humor om kjønn og sex på internett, med hovedfokus på e-post? Hvilke former for relasjoner ...

StatoilHydro and other oil companies are introducing Integrated Operations (IO) in the management of their oil and gas assets. According to OLF, IO has an estimated value potential of 300 billion NOK on the Norwegian ...

Model driven interoperability is a research field that has gotten a lot of attention and money. Several research projects over the past years such as ATHENA, SWING and MODELWARE have sought to bring solutions to this field. ...

Ad-hoc and MESH networks have been a topic for research in the last few years. It is now starting to be mature and we do see implementations in the various areas of interest. One important research area in MANETs is routing. ...

OQL (Object Query Language) is a language that is to be used to query data from objectoriented databases (OODBs). It has been designed as part of the standards from ODMG (Object Data Management Group), and the one implemented ...

Multi-core processors have become ordinary in modern commodity computers. Computationally intensive applications, like video processing, that previously only ran on specialized hardware, are now common on home computers. ...

This thesis work is done in the context of a recently launched research project on delay-tolerant streaming, where the vision is to provide a video streaming solution capable of performing in a dynamic, wireless, mobile ...

The techniques employed by viruses to avoid detection by antivirus scanners are becoming increasingly advanced. One technique commonly used by viruses to evade detection is polymorphism. The level of polymorphism in a virus ...

A typical scenario is where a client, located on a different network than the media server, requests a video file located locally on the server. To serve this request, the media server, sequentially, reads the file from ...

Social websites have had an enormous growth the last couple of years. One of the success factors has been user contributions and great use of meta data on these contributions. While the developers can concentrate on ...

Estimating quality of service (QoS) parameters such as link delay distribution from the end-to-end delay of a multicast tree topology in network tomography cannot be achieved without multicast probing techniques or designing ...

This thesis describes a system, Sysifos, that automates capturing and segmentation of screen dumps of web pages. The system builds a model of the spatial structure of a page based on the segmentation. The model is used ...

Automatic discovery of services and resources is a crucial feature to achieve the expected user-friendliness in Mobile Ad-hoc Networks (MANETs). Due to limited computing power, scarce bandwidth, high mobility and the lack ...

This master thesis is about studying evolving knowledge infrastructures, through a case study at Ahus (Akershus University Hospital). The hospital integrated the knowledge repository, PPS (Practical Procedures for the ...

This thesis describes a development process, where the goal was to develop a graphical simulation environment for use in a driving simulator. Subjects discussed in relation to this goal are: Simulation technology in ...

In this thesis I investigate how customers and developers interact through different forms of constellations in product development processes. This thesis is part of the KP-Lab project, more precisely part of the KIKK ...

More and more people are watching media content over the internet or from own personal media servers, and this way is slowly taking over for traditional television broadcasts. With this, the desire and possibility to watch ...

As changes are made during a software development process, related artefacts and elements of the system specifications may quickly become inconsistent. Todays software projects often consists of a large number of artefacts ...

To achieve good performance in a High Performance Computing (HPC) environment we need to have in addition to a large amount of computing resources, a high performing network with high bandwidth and low latency interconnecting ...

This research project explains the transition from traditional real life communities to the online communities. In addition to giving a detailed description and analysis of the new way of interacting, it also shows the ...

Denne oppgaven er fokusert rundt problemstillingen internett på tog. Formålet med forskningen har vært å finne ut hvorvidt det er mulig å innføre denne tjenesten med den teknologien vi har tilgjenglig i dag. Ulike ...

This predominantly qualitative case study has been concerned with the use of a student essay critiquing system, named EssayCritic, in a collaborative setting with 26 students aged 16-17, at a Norwegian high school. It was ...

Social navigation usage on the Social Web were studied by conducting content analyzes to see how prevalent such navigation is now compared to the Web's earlier years. The common characteristic of the types of social ...

I denne oppgaven foretas en diskusjon av komposita (sammensetninger) og substantivkomposita i særdeleshet. På bakgrunn av utfordringene med å oversette slike konstruksjoner og tidligere arbeider, blir en studie gjennomført ...

En gadget er en innretning eller en applikasjon som har en nyttig, spesifikk og praktisk hensikt. De blir ofte sett p� som en nyvinning n�r de kommer og har ofte en uvanlig eller intelligent tiln�rming til et problem. ...

The world of human-computer interaction (HCI)bases itself on three cyclic activ- ities when designing interfaces: understanding users, designing, and evaluation. As time has progressed, HCIhas grown to include other types ...

Datamaskinen har siden dens barndom hatt en kraftig ytelsesøkning. I de senere årene har man begynt å ta i bruk parallellisering for å opprettholde denne effekten. Parallell programmering er vanskelig, og det er derfor ...

QuA is a reflective middleware architecture with a implementation broker assisting the service planner in service planning by performing resource discovery. QuA supports pluggable core services and one of these services ...

This thesis is written in the context of Model Driven Architectures and SOA, and investigates different methodologies and their ways of identifying and describing a service oriented architecture. Methodologies analyzed ...

MADE er et verktøy for prosjektledelse fra aktivitet diagram. Det er basert på Eclipse Graphic Modeling Framework (GMF) og Meta-Object Facility (MOF) Script. Det kan hjelpe deg å se hva som ikke fungerer som planlagt og ...

This thesis describes and analyses an experimental study (2003) which was carried out as a part of the COOL (Comprehensive Object-Oriented Learning) project, which was an introductory course in computer programming. ...

Mobile Ad-Hoc Networks (MANETs) are an important communication infrastructure to support emergency and rescue operations. To address the frequent disconnections and network partitions that might occur, we have developed a ...

It is well known that software documentation in open source projects is often poor and incomplete. Open source communities are generally driven by project members doing what they want to do, and because few programmers ...

Soft real-time requirements are often related to communication in distributed systems. Therefore it is interesting to understand how UML sequence diagrams can be used to specify such requirements. We propose a way of ...

Proper authentication is needed to avoid theft and destruction of data by unauthorized parties. This research proposes to add software biometrics to the authentication and verification process, using keystroke dynamics. ...

The traffic and the number of users on the Internet are increasing, and service providers must respond to this demand if they are not to loose both customers and revenue. In order to provide a satisfactory level of QoS, ...

Parprogrammering er en arbeidsmetodikk som ble gjort kjent gjennom den smidige(agile) utviklingsmetodikken Extreme Programming(XP). De siste årene har smidige utviklingsmetodikker fått stadig mer oppmerksomhet og utbredelse. ...

Virtualization and virtual machines are becoming more and more important for businesses. By consolidating many servers to run as virtual machine on a single host companies can save considerable amounts on money. The savings ...

In this report we explore aspect-oriented modeling for UML 2.0 sequence diagrams. We ensure that the aspect weaving is semantics-based by using a formal trace model for sequence diagrams. A major challenge is to handle ...

UML sequence diagrams is a specification language that has proved itself to be of great value in system development. When put to applications such as simulation, testing and other kinds of automated analysis there is a ...

Tjenesteorienterte arkitekturer er et av begrepene i dagens IT-industri som får mest oppmerksomhet. Offentlige myndigheter har også adoptert dette begrepet og ønsker å tilby tjenester til borgere og næringsliv gjennom ...

I have designed and implemented an application for collaborative work and socializing for the design group at the Institute for Informatics (IFI) at the University of Oslo (UIO) and this thesis will present the results of ...

Plagiarism in connection with computer programming education is a serious problem. This problem is common to many universities around the world, and the University of Oslo (UoO) makes no exception. The major problem is ...

Mange unge mennesker opplever museumsbesøk som kjedelige. Utstillingene er ofte uten noen form for brukerinteraksjon og er på den måten lite underholdende. Dette er ikke tilfellet for det interaktive Vitensenteret som ...

Mobile Ad-Hoc Networks maintain information about reachable nodes in the routing table. In many application scenarios, human groups play an important role. This is visible at the network level as independent network ...

Since 1997, when the new standard for wireless data communication emerged, it has been an explosive demand for wireless enabled products. Over time more and more devices get built-in wireless capabilities in connecting to ...

In this thesis, we have investigated how an open source web portal can be used in a business context. This investigation required development of components for a web portal to meet the company’s needs. The motivation for ...

Having a sequence diagram specification and a computer system, we need to answer the question: Is the system compliant with the sequence diagram specification in the desired way? We present a procedure for answering this ...

Having a sequence diagram specification and a computer system, we need to answer the question: Is the system compliant with the sequence diagram specification in the desired way? We present a procedure for answering this ...

This paper formalizes the observable interface behavior of an concurrent, objectoriented language with futures and promises. The calculus captures the core of Creol, a language, featuring in particular asynchronous method ...

Model Driven Engineering (MDE) is an initiative to rais the level of abstraction and ease the complexity in the system development process, trough the use of domain specific languages and transformations. Extensive use of ...

During the past decade, the telecommunication environment has evolved from single operator featuring voice services to multi-operator featuring a range of different types of services. Services are being provided today in ...

This thesis use the extreme powers of the GPU for linear algebra. Selected linear algebra algorithms, more specifically the LU and the conjugate gradient algorithm for solving linear systems, has been ported to execute its ...

STAIRS is a method for the compositional development of interactions in the setting of UML 2.0. In addition to defining denotational trace semantics for the main aspects of interactions, STAIRS focuses on how interactions ...

A 'new' approach to community building is based on the concept of salutogenesis (a proactive approach to health promotion and prevention). Increasing organisational focus on sustaining healthy work forces requires a coherent ...

In literature on quality management design it is common knowledge that quality management will not work without management commitment. But, not always is it possible to achieve management commitment, so what to do then? ...

The coordination and collaboration of the personnel from various organisations involved in a rescue operation is important for a successful operation. Data networks can facilitate effective collaboration by providing an ...

This thesis addresses the following question: What can be better ways of realizing network simulators and emulators? This question presents a moving target, since the meaning of “better” changes with changes in requirements ...

Gjennom deltagende observasjon i TOP prosjektet på Ullevål universitetssykehus, har jeg, i løpet av en periode på nesten 2 år, studert dataflyten og fulgt prosessene fram til produksjonen av kvalitetsikret forskningsdata. ...

This project is about the description of ontologies for anomaly detection in computer systems. The special case of the anomaly detection system in Cfengine is used as a case study. Cfengine was designed at Oslo University ...

This thesis spans several research areas, where the main topics being parallel programming based on message-passing, general-purpose computation on graphics processing units (GPGPU), numerical simulations, and domain ...

This thesis is concerned with operational analysis of UML 2.x sequence diagram specifications. By operational analysis we mean analysis based on a characterization of the executions of sequence diagrams, or in other words ...