Selaus nimekkeen mukaan kokoelmassa Väitöskirjat
Aineistot 100-119 / 1046
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Bag-of-Features Approach to Unsupervised Visual Object Categorisation
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 12.12.2011)The large and growing number of digital images is making manual image search laborious. Only a fraction of the images contain metadata that can be used to search for a particular type of image. Thus, the main research ... -
Balanced Scorecardin implementointi ja käytön nykytila Suomessa
Acta Universitatis LappeenrantaensisURN:ISSN:1456-4491 (2001)Lisääntynyt Balanced Scorecardin käyttö herätti kiinnostuksen tutkia, mistä BSC:ssä oli oikein kysymys. Epäonnistumiset BSC-projekteissa vaikuttivat siihen, että haluttiin tutkia, mikä nykyisissä projektimalleissa oli ... -
Bayesian analysis of SEIR epidemic models
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 18.12.2015)This thesis concerns the analysis of epidemic models. We adopt the Bayesian paradigm and develop suitable Markov Chain Monte Carlo (MCMC) algorithms. This is done by considering an Ebola outbreak in the Democratic Republic ... -
Bayesian inference by informative Gaussian features of the data
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 05.02.2021)Given a set of measurements, a model can be calibrated to data by minimising a cost function that captures the model-data difference. The standard cost function for deterministic models is the residual sum of squares between ... -
Bayesian likelihoods for intractable data
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 01.12.2023)We live in the Information Age, specific historical moment in which making well-informed decisions is often decisive for the survival of projects and investments. In the past decade, consistent efforts have been dedicated ... -
Bayesian methods for estimation, optimization and experimental design
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 11.11.2011)Mathematical models often contain parameters that need to be calibrated from measured data. The emergence of efficient Markov Chain Monte Carlo (MCMC) methods has made the Bayesian approach a standard tool in quantifying ... -
Benefits from Open Data: Barriers to Supply and Demand of Open Data in Private Organizations
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 12.10.2018)Open data is a concept that has been somewhat readily adopted by governments. The key ideology behind open data is to release previously restricted data with a licence that allows all forms of use, reuse, and redistribution. ... -
Between Memory and Strategy: Media Discourse Analysis of an Industrial Shutdown
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 12.12.2014)In 2006 UPM was able to gain a level of social legitimacy that allowed it to carry out one of the largest industrial restructuring programmes in Finnish industrial history, shut down major operations in Finland and still ... -
Big Data – Towards Data-driven Business
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 12.04.2019)This research stems from the disruptive phenomenon known as digital transformation, i.e. the pervasive use of digital technologies in order to add value in business. As a side effect of digital transformation, vast amounts ... -
Biogas production in regional integrated biodegradable waste treatment – Possibilities for improving energy performance and reducing GHG emissions
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 05.12.2014)The greatest threat that the biodegradable waste causes on the environment is the methane produced in landfills by the decomposition of this waste. The Landfill Directive (1999/31/EC) aims to reduce the landfilling of ... -
Bioprospecting for Nordic photosynthetic consortia for wastewater treatment, carbon capture, and value creation
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 13.12.2023)Microalgal biotechnology has been proposed as a potential solution to multiple global challenges, especially carbon capture, wastewater treatment, and bioproduction of valuable fuels and materials. Conventional microalgal ... -
Blood vessel segmentation in the analysis of retinal and diaphragm images
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 06.04.2018)The segmentation and characterization of structures in medical images represents an important part of the diagnostic and research procedures in medicine. This thesis focuses on the characterization methods in two application ... -
Bridging academic software sustainability design with corporate business planning
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 02.02.2024)Software systems have become deeply intertwined with both our personal lives and our professional lives, blurring the demarcation between the colloquially referred ‘real world’ and ‘digital world’. Consequently, software ... -
Broadband excitation in the system identification of active magnetic bearing rotor systems
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 04.11.2011)One of the targets of the climate and energy package of the European Union is to increase the energy efficiency in order to achieve a 20 percent reduction in primary energy use compared with the projected level by 2020. ... -
Building organizational creativity – a multitheory and multilevel approach for understanding and stimulating organizational creativity
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 19.12.2013)Organizational creativity is increasingly important for organizations aiming to survive and thrive in complex and unexpectedly changing environments. It is precondition of innovation and a driver of an organization’s ... -
Business Development Efforts and Performance Improvements in SMEs Case Study of Business Development Projects Implemented in SME
Acta Universitatis LappeenrantaensisURN:ISSN:1456-4491 (2005)Under the circumstances of the increasing market pressure, enterprises try to improve their competitive position by development efforts, and a business development project is one tool for that. There are not many answers ... -
Business model innovation as crisis response strategy
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 25.05.2022)The world was hit by one of the hardest crises in modern history starting in December 2019, with the COVID-19 pandemic impacting companies and their business activities across the planet. Governments extensively restricted ... -
Business model innovation opportunities when news has become a public good
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 24.11.2023)This dissertation explores business model opportunities for news when information is freely accessible. It asks: How have news agencies responded to the declining commercial value of news in their strategies and business ... -
Capability matrix – Identifying and evaluating the key capabilities of purchasing and supply management
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 30.05.2008)Organizations gain resources, skills and technologies to find out the ultimate mix of capabilities to be a winner in the competitive market. These are all important factors that need to be taken into account in organizations ... -
Capacity market in Russia: addressing the energy trilemma
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 16.12.2016)This doctoral dissertation examines the contribution of the capacity market and capacity remuneration mechanisms (CRMs) introduced in the liberalized electricity market of Russia to achieving the objectives of the energy ...
