Browsing Faculty of Science and Technology by Title
Now showing items 1477-1496 of 7037
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Decision-Driven Data Analytics for Well Placement Optimization in Field Development Scenario - Powered by Machine Learning
(Masteroppgave/UIS-TN-IER/2019;, Master thesis, 2019-06-15)Application of Data Analytics and Machine Learning (ML) in petroleum reservoir management have received a lot of attention in recent years, mainly due to the availability of sheer computational resources and recorded big ... -
Decision-Making Model for Facility Management Prioritization and Optimization in Oil and Gas Service Companies
(Masteroppgave/UIS-TN-IØRP/2016;, Master thesis, 2016-12-15)Today’s oil and gas industry finds itself in the deepest financial crisis on record, with profitability and cash flow at unsustainable levels for most oil and gas operators which in turn has created an equally dramatic ... -
Decision-making principle in prioritizing the implementation of safety measures: Study on offshore safety and road traffic safety.
(Masteroppgave/UIS-TN-IØRP/2016;, Master thesis, 2016-06-15)Safety management objective is to prevent accidents to occur, thus reducing harm to people as well as preventing damage to environment and assets. To reduce harm, safety measures need to be implemented. In prioritizing ... -
Decisions of Persons, the Pharmaceutical Industry, and Donors in Disease Contraction and Recovery Assuming Virus Mutation
(Peer reviewed; Journal article, 2021-07)Background The article develops an eight-period game between N persons and a pharmaceutical company. The choices of a donor and Nature are parametric. Methods Persons choose between safe and risky behavior, and whether ... -
The decline of mussel aquaculture in the European Union: causes, economic impacts and opportunities
(Peer reviewed; Journal article, 2021-01)In contrast to the increasing aquaculture production of mussels worldwide, production in the European Union (EU) has shown a decreasing trend over the last two decades. Aquaculture production of mussels in the EU peaked ... -
Decommissioning of petroleum installations—major policy issues
(Journal article; Peer reviewed, 2003-12)Following the Brent Spar controversy, the OSPAR countries reached a unanimous agreement in 1998 for the future rules for disposal of petroleum installations. The vast majority of existing offshore installations will be ... -
Deconvolution approach for floating wind turbines
(Peer reviewed; Journal article, 2023-05)Green renewable energy is produced by floating offshore wind turbines (FOWT), a crucial component of the modern offshore wind energy industry. It is a safety concern to accurately evaluate excessive weights while the FOWT ... -
Decreasing Manual Workload by Automating SAP Travel Expense Workflows
(Masteroppgave/UIS-TN-IDE/2018;, Master thesis, 2018-06)In the 21st century, efficiency is a key focus for several organisations, and because of this, machine learning and process automation is getting a lot of attention. The Norwegian Government Agency of Financial Management ... -
Deep Learning for text data mining: Solving spreadsheet data classification.
(Masteroppgave/UIS-TN-IDE/2017;, Master thesis, 2017-06-09)This project developed for the Avito LOOPS company. Research goals was to investigate existing algorithms and implementations of Deep Learning, to understand their applicability to text mining, to design a solution that ... -
Deep Learning over 20 Years of Cinema Ticket Sales
(Masteroppgave/UIS-TN-IDE/2020;, Master thesis, 2020-06-15)For many years, movie theaters across Norway have been manually setting up its weekly movie schedule according to the prior knowledge of the operators. This is a slow and laborious method that in this day and age is outdated ... -
Deep learning-based automated detection and clustering of potholes using variational autoencoder for efficient road maintenance
(Master thesis, 2023)In this study we explore the possibility of using unsupervised learning for pothole detection. We will use images of roads from Brazil where both potholes and cracks can be present in the images, as well as clean images ... -
Deep Learning-Driven Diagnostic and Prognostic Solutions for Histopathological Images of Bladder Cancer
(PhD thesis UiS;, Doctoral thesis, 2024)This thesis presents a comprehensive investigation into the development and application of advanced computational techniques for the extraction of crucial diagnostic and prognostic information from histological images of ... -
Deep Neural Attention for Misinformation and Deception Detection
(PhD thesis UiS;, Doctoral thesis, 2021-06)At present the influence of social media on society is so much that without it life seems to have no meaning for many. This kind of over-reliance on social media gives an opportunity to the anarchic elements to take undue ... -
Deep neural models to represent news events
(Masteroppgave/UIS-TN-IDE/2018;, Master thesis, 2018-05-15)The thesis is dedicated to the background linking tasks for news articles, utilizing the deep neural network models. The goal is to retrieve similar articles based on the news story currently viewed. We examined neural and ... -
Deep water well intervention and fluid selection
(Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)Worldwide, the number of subsea wells showed a substantial increase over the last decade. This trend is particularly relevant for deep- and ultra deep-water field developments, indicating that the offshore oil and gas ... -
Deepwater Challenges & Well Control
(Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017)Deepwater challenges and well control problems are important drilling issues, as operators move into deeper waters and more challenging environments. The deepwater technology and the complexity of deepwater operations have ... -
Deepwater drilling problems
(Masteroppgave/UIS-TN-IPT/2009, Master thesis, 2009)Several problems encountered in the deepwater makes it very difficult in terms of accessibility for drilling. In this work, the major problems in the deepwater are identified, and discussed from different perspectives. ... -
Deepwater operations - running and cementing casing with small clearances
(Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)The petroleum demand is increasing and the line between success and failure is marginal. Thus, the drilling industry moves further into deeper waters, stretching the limits of engineering, economics and new technology to ... -
Defect detection in industrial images
(Master thesis, 2023)This thesis aims to identify defects in industrial images using Printed Circuit Board(PCB) images. Defect detection in industrial images is crucial in this era that we are living in today. There is a rising demand for ... -
Defense Strategies for Asymmetric Networked Systems with Discrete Components
(Peer reviewed; Journal article, 2018)We consider infrastructures consisting of a network of systems, each composed of discrete components. The network provides the vital connectivity between the systems and hence plays a critical, asymmetric role in the ...