This thesis is an exploratory study of technology use among the elderly. The study is part of the MECS (Multimodal Elderly Care Systems) project. As part of the study, qualitative data has been collected using multiple ...

Obstructive Sleep Apnea (OSA) is a common, but severely under- diagnosed sleep disorder characterized by recurring periods of shallow or paused breathing during sleep. It is our long-term goal to allow people to perform ...

Evaluation of Distributed Complex Event Processing (CEP) systems is a rather challenging task. To simplify this task, we developed the open simulation framework for Distributed CEP, called DCEP-Sim. The goal of this tutorial ...

This thesis is an exploratory study based on a participatory design project that unfolded at The Norwegian Museum of Science and Technology during 2017 and early 2018. In this project, four museum researchers engaged with ...

In this thesis, we make and evaluate procedures for converting between different lexical semantic representations. We implement three different methods for converting from vector space models to graph models: the threshold ...

Integration of Internet of Things (IoT) devices into Smart Homes is currently quite cumbersome. This thesis presents a novel approach on integrating energy devices, e.g. washing machines, heat pumps and other devices into ...

Gjennom forskning har det blitt vist at modulær smarttelefon er en smarttelefon sammensatt av ulike moduler på en plattform. Modulær smarttelefon er ment for at brukere kan beholde sine smarttelefoner lenger ved å bytte ...

Nested virtualization enables a virtual machine, which is a software layer representing an execution environment, to be placed inside another virtual machine. Nested virtual machines form a location hierarchy where virtual ...

In this work I detail the compilation of a unique corpus of Norwegian court decisions. I utilize this corpus to train several different machine learning models to produce dense semantic vectors for both words and documents. ...

Background: Molecular indicators of colorectal cancer prognosis have been assessed in several studies, but most analyses have been restricted to a handful of markers. We aimed to identify prognostic biomarkers for colorectal ...

The geometric model, Higher-dimensional automata (HDA), is a useful and general model for non-interleaving concurrency. In a non-interleaving approach to concurrency, more than one event may happen concurrently and one ...

Fragmentation in heterogenous and widely distributed HISs (Health Information System) is a global problem and is still challenging to make them interoperable. One of the key factors includes the lack of standardization ...

Wireless multicast suffers from severe packet loss due to interference and lack of link layer retransmission. In this work, we investigate wether the most recent Forward Error Correction (FEC) draft is suitable for real-time ...

Background: Digital innovations have evolved over the last 15 years to support health activities, and their introduction in low- and middle-income countries has shown the potential to catalyze gains in health systems and ...

Neural circuits typically consist of many different types of neurons, and one faces a challenge in disentangling their individual contributions in measured neural activity. Classification of cells into inhibitory and ...

Long Short-Term Memory (LSTM) neural networks are a state-of-the-art techniques when it comes to sequence learning and time series prediction models. In this paper, we have used LSTM-based Recurrent Neural Networks (RNN) ...

Four-legged mammals are capable of showing a great variety of movement patterns, ranging from a simple walk to more complex movement such as trots and gallops. Imbuing this diversity to quadruped robots is of interest in ...

One of the core functions in most Evolutionary Algorithms is mutation. In complex search spaces, which are common in Evolutionary Robotics, mutation is often used both for optimizing existing solutions, described as ...

As the application domains of sampling-based motion planning grow, more complicated planning problems arise that challenge the functionality of these planners. One of the main challenges in the implementation of a ...

Many works in collaborative robotics and human-robot interaction focuses on identifying and predicting human behaviour while considering the information about the robot itself as given. This can be the case when sensors ...

Motivation: Many high-throughput methods produce sets of genomic regions as one of their main outputs. Scientists often use genomic colocalization analysis to interpret such region sets, for example to identify interesting ...

The field of collaborative robotics and humanrobot interaction often focuses on the prediction of human behaviour, while assuming the information about the robot setup and configuration being known. This is often the case ...

Recordings of extracellular electrical, and later also magnetic, brain signals have been the dominant technique for measuring brain activity for decades. The interpretation of such signals is however nontrivial, as the ...

Clouds offer flexible and economically attractive compute and storage solutions for enterprises. However, the effectiveness of cloud computing for high-performance computing (HPC) systems still remains questionable. When ...

We present a study on morphological traits of evolved modular robots. We note that the evolutionary search space –the set of obtainable morphologies– depends on the given representation and reproduction operators and we ...

This paper investigates the evolution of modular robots using different selection preferences (i.e., fitness functions), aiming at novelty, speed of locomotion, number of limbs, and com- binations of these. The outcomes ...

This article presents the results of observations and analyses of students’ learning model-driven system development from two related courses taught at a university in Norway and at a university in the United States in ...

Today, many users of multimedia applications are surrounded by a changing set of multimedia-capable devices. However, users can move their running multimedia applications only to a pre-defined set of devices. Application ...

Threat modelling is a component in security risk analysis, and it is commonly conducted by applying a specific approach for discovering and modelling threats. The three main approaches for threat modelling are asset-centric, ...

To understand a robot's intent and behavior, a robot engineer must analyze data at the input and output, but also at all intermediary steps. This might require looking at a specific subset of the system, or a single data ...

This thesis demonstrates how metaheuristic algorithms can be used to find valid configurations for context-aware software. To represent families of context-aware software, the thesis describes and uses Context-dependent ...

Cloud Computing has seen a tremendous popularity in last several years. A scalable and efficient data center network is essential for a performance capable cloud computing infrastructure. This thesis provides practical ...

This paper addresses the basic implementation and possible competitiveness of an ontology-based ranking method, that for a SPARQL query under construction, generates a ranking of likely extensions, based on a set of past ...

The advent of the Internet of Things, sensor and social networks, to mention just a few examples, all contribute towards the solid establishment of the Big Data era. High Performance Computing (HPC) becomes necessary for ...

Background: Recent large-scale undertakings such as ENCODE and Roadmap Epigenomics have generated experimental data mapped to the human reference genome (as genomic tracks) representing a variety of functional elements ...

Today, there exists a wide range of services and applications across several platforms that are prone to attacks. Attackers find new ways to exploit malfunctions and vulnerabilities within these systems every day. There ...

Small, low cost, radar systems have exciting applications in monitoring and imaging for the industrial, healthcare and Internet of Things (IoT) sectors. We here explore, and show the feasibility of, several single bit ...

We report on our experience in ontology-based data access to the Slegge database at Statoil and share the resources employed in this use case: end-user information needs (in natural language), their translations into SPARQL, ...

Cross-domain information exchange is an increasingly important capability for conducting efficient and secure operations, both within coalitions and within single nations. A data guard is a common cross-domain sharing ...

Wave-motion modeling and mathematical optimization have a vast variety of applications in research and industry. Marcus Noack, PhD fellow at Simula Research Laboratory, delved deep into the theoretical and numerical ...

Purpose: Circulating chromogranin B (CgB) levels are increased in situations characterized by systemic and myocardial stress, but whether CgB provides prognostic information in patients with acute respiratory failure (ARF) ...

Objective: Patients with chronic obstructive pulmonary disease (COPD) often have abnormal ECGs. Our aim was to separate the effects on ECG by airway obstruction, emphysema and right ventricular (RV) afterload in patients ...

The final publication is available at IOS Press through http://dx.doi.org/10.3233/COM-170081

Computational models of cardiac mechanics, personalized to a patient, offer access to mechanical information above and beyond direct medical imaging. Additionally, such models can be used to optimize and plan therapies ...

Cardiac computational models, individually personalized, can provide clinicians with useful diagnosticinformation and aid in treatment planning. A major bottleneck in this process can be determining modelparameters to fit ...

There has been a trend in city development for a little under a decade for cities to become “smart cities”, where recent innovations in technology such as big data processing, IoT, and AI are intended to transform the way ...

Acoustic waves propagating in anisotropic media are important for various applications. Even though these wave phenomena do not generally occur in nature, they can be used to approximate wave motion in various physical ...

Optimisation is a basic principle of nature and has a vast variety of applications in research and industry. There is a plurality of different optimisation procedures which exhibit different strengths and weaknesses in ...

Genomic locations are represented as coordinates on a specific genome build version, but the build information is frequently missing when coordinates are provided. We show that this information is essential to correctly ...

This thesis presents an in-depth contrastive error analysis of a set of semantic dependency parsing systems. Based on the empirical results of our analysis we found semantic frame classification to be an interesting case ...

This volume contains the papers presented at the workshops associated with the 6th European Conference on Service-Oriented and Cloud Computing, ESOCC 2017. The workshops were held in Oslo, Norway, on 27th September 2017. ...

Colorectal cancer is the third most common type of cancer diagnosed for men and the second most for women. Today's main methods of examination are expensive, time consuming and intrusive for the patient. Recent technologies, ...

In this master thesis, I explore how the field of Interaction Design might contribute in creating new platforms for engagement and expression, by involving a participatory culture of skateboarders in a Do It Yourself (DIY) ...

Colorectal cancer is the third most common type of cancer diagnosed for men and the second most for women. Today’s main methods of examination are expensive, time consuming and intrusive for the patient. Recent technologies, ...

In this paper we extend previous work on using bintrees as an efficient representation for qualitative information about spatial objects. Our approach represents each spatial object as a bintree satisfying the exact same ...

Most Software Product Lines are built from a set of existing products, that is re-engineered into reusable assets following feature location approaches. Traditional feature location approaches target program code, neglecting ...

Distributional semantic models learn vector representations of words through the contexts they occur in. Although the choice of context (which often takes the form of a sliding window) has a direct influence on the resulting ...

This thesis is an interpretive qualitative research study exploring the use of welfare technology in elderly care. In Norway, health care and social services for elderly people are important parts of the welfare policy. A ...

In this paper we study the evolution of ontologybased data access (OBDA) specifications, and focus on the case in which the ontology and/or the data source schema change, which may require a modification to the mapping ...

The final publication is available at IOS Press.

Down-scaling of the supply voltage is considered as the most effective means of reducing the power- and energy consumption of integrated circuits (ICs). Reduction in the power- and energy consumption is highly beneficial ...

Purpose: Chemotherapy-induced alterations to gene expression are due to transcriptional reprogramming of tumor cells or subclonal adaptations to treatment. The effect on whole-transcriptome mRNA expression was investigated ...

Power consumption of physical and virtual machines is a major challenge for small to larg-scale cloud computing data centers. Hundreds of thousands of physical and virtual machines run in cloud data center which consume ...

Today, virtualization technology plays an important role in the computer industry. Virtual Machines (VMs) are deployed in a number of different scenarios to meet the requirements of a market that expects service delivery ...

We present a representation of spatial data that supports answering of qualitative queries (involving e.g. containment and overlap), using less time than numerical computations on coordinates, and less space than explicitly ...

This paper describes an emerging shared repository of large-text resources for creating word vectors, including pre-processed corpora and pre-trained vectors for a range of frameworks and configurations. This will facilitate ...

In this paper, we present results from a research through design inquiry into the design space of second-hand use of consumer goods and their potential for creating more sustainable and less consumerism-oriented lifestyles. ...

Refactoring is an essential operation in software engineering, with the purpose of improving the structural qualities of software. An emerging trend in software engineering is the use of model-driven approaches in which ...

In model-driven engineering approaches, models are considered firstclass entities. The composition of models is a necessity for modelling software systems. Structural composition of models has been studied thoroughly during ...

I denne oppgaven utforsker jeg konseptet nysgjerrighet ved å se på om det er mulig å designe digitale grensesnitt som kan fremkaller nysgjerrighet. For å forske på dette har jeg valgt å fokusere på science ...

Previously, we have worked on verification of railway regulations against CAD designs, and integrated a verification engine into the tool chain of railway engineers. This tool was used successfully in a pilot project at ...

In this research report we propose a self-organizing media streaming solution that supports multiple interacting participants as well as a large number of observers. This solution is aimed at a number of emerging multimedia ...

Analysis of large amounts of data, so called Big Data, is changing the way we think about science and society. One of the most promising rich Big Data sources is mobile phone data, which has the potential to deliver near ...

Over the last decade gamification has been emerging as an engaging technology to promote learning. However, the majority of research on game inspired learning has focused on children and adolescents. In this project I am ...

Dette studiet analyserer forholdet mellom pengekompensasjon og motivasjon i den norske virksomheten av et IT- infrastrukturselskap.. Økonomiske og psykologiske teorier spår at design og implementering av prestasjonsmåling ...

Noise. It is around us, everywhere, all the time. It is hard to control, hard to shut out. It affects our health, sometimes even without us noticing it. Noise is one form of pollution, and is causing annoyance and other ...

The book aims to be a resource for those interested in planning and implementing large-scale information infrastructures for novel electronic services in health care. The focus of this book is on the pivotal role of the ...

Background Breast cancer is a heterogeneous disease at the clinical and molecular level. In this study we integrate classifications extracted from five different molecular levels in order to identify ...

Reliable CCS monitoring is vital in order to confirm that injected CO2 stays in the reservoir as intended, and that any occurring leakage is promptly detected allowing corrective actions to be initiated. Motivations for ...