Selaus asiasanan mukaan kokoelmassa 113 Tietojenkäsittely ja informaatiotieteet
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A quantitative view on fuzzy numbers
TUCS Dissertations : 142 (Turku Centre for Computer Science (TUCS), 08.12.2011)Since its introduction, fuzzy set theory has become a useful tool in the mathematical modelling of problems in Operations Research and many other fields. The number of applications is growing continuously. In this thesis ... -
Design and evaluation of web interface signs to improve web usability : a semiotic framework
TUCS Dissertations : 184 (Turku Centre for Computer Science (TUCS), 17.10.2014)Technological innovations, the development of the internet, and globalization have increased the number and complexity of web applications. As a result, keeping web user interfaces understandable and usable (in terms of ... -
Drivers and barriers of mobile travel and tourism service adoption : a study of individual perceptions and business model development in a travel and tourism context
(Åbo Akademi - Åbo Akademi University, 11.10.2013)The Travel and Tourism field is undergoing changes due to the rapid development of information technology and digital services. Online travel has profoundly changed the way travel and tourism organizations interact with ... -
Evaluating multidimensional visualization techniques in data mining tasks
TUCS Dissertations : 107 (Turku Centre for Computer Science (TUCS), 07.11.2008)Visual data mining (VDM) tools employ information visualization techniques in order to represent large amounts of high-dimensional data graphically and to involve the user in exploring data at different levels of detail. ... -
Fraud detection in the banking sector : a multi-agent approach
TUCS Dissertations : 150 (Turku Centre for Computer Science (TUCS), 08.11.2012)Fraud is an increasing phenomenon as shown in many surveys carried out by leading international consulting companies in the last years. Despite the evolution of electronic payments and hacking techniques there is still ... -
Fuzzy ontology for knowledge mobilisation and decision support
(Åbo Akademi - Åbo Akademi University, 13.06.2014)A growing concern for organisations is how they should deal with increasing amounts of collected data. With fierce competition and smaller margins, organisations that are able to fully realize the potential in the data ... -
Fuzzy real option analysis in patent related decision making and patent valuation
(Åbo Akademi - Åbo Akademi University, 12.06.2015)The shift towards a knowledge-based economy has inevitably prompted the evolution of patent exploitation. Nowadays, patent is more than just a prevention tool for a company to block its competitors from developing rival ... -
In search of information systems value : a case study of the EHR benefits realisation efforts of three Swedish hospitals.
(Åbo Akademi - Åbo Akademi University, 27.05.2014)The Swedish public health care organisation could very well be undergoing its most significant change since its specialisation during the late 19th and early 20th century. At the heart of this change is a move from using ... -
m-Equine : IS support for the horse industry
TUCS Dissertations : 169 (Turku Centre for Computer Science (TUCS), 24.01.2014)The horse industry is in many ways still operating the same way as it did in the beginning of the 20th century. At the same time the role of the horse has changed dramatically, from a beast of burden to a top athlete, a ... -
Mapping financial stability
TUCS Dissertations : 159 (Turku Centre for Computer Science (TUCS), 07.06.2013)The ongoing global financial crisis has demonstrated the importance of a systemwide, or macroprudential, approach to safeguarding financial stability. An essential part of macroprudential oversight concerns the tasks of ... -
New Approach for Market Intelligence Using Artificial and Computational Intelligence
(Åbo Akademi - Åbo Akademi University, 10.02.2023)Small and medium sized retailers are central to the private sector and a vital contributor to economic growth, but often they face enormous challenges in unleashing their full potential. Financial pitfalls, lack of adequate ... -
On advancing business intelligence in the electricity retail market
TUCS Dissertations : 182 (Turku Centre for Computer Science (TUCS), 30.09.2014)In recent decades, business intelligence (BI) has gained momentum in real-world practice. At the same time, business intelligence has evolved as an important research subject of Information Systems (IS) within the decision ... -
Opening the black-box of IT artifacts : looking into mobile service characteristics and individual perception
TUCS Dissertations : 149 (Turku Centre for Computer Science (TUCS), 02.11.2012) -
Predicting Risk and Return in Peer-to-Peer Lending with Machine Learning : A Decision Making Approach
(Åbo Akademi University, 03.12.2021)Credit risk is one of the prominent risk types in the financial industry. It is the risk associated with lending money to borrowers, where the risk is the likelihood of not receiving back the money as a result of borrowers ... -
Reusable formal architectures for networked systems
TUCS Dissertations : 162 (Turku Centre for Computer Science (TUCS), 13.09.2013)Today's networked systems are becoming increasingly complex and diverse. The current simulation and runtime verification techniques do not provide support for developing such systems efficiently; moreover, the reliability ... -
Scheduling of guarded command based models
TUCS Dissertations : 152 (Turku Centre for Computer Science (TUCS), 10.12.2012)Formal methods provide a means of reasoning about computer programs in order to prove correctness criteria. One subtype of formal methods is based on the weakest precondition predicate transformer semantics and uses guarded ... -
Searching for keys to successful post-merger integration : a longitudinal case-study following a public sector merger
(Åbo Akademi - Åbo Akademi University, 23.11.2012)Unsuccessful mergers are unfortunately the rule rather than the exception. Therefore it is necessary to gain an enhanced understanding of mergers and post-merger integrations (PMI) as well as learning more about how mergers ... -
Servicescape for Digital Wellness Services for Young Elderly
(Åbo Akademi - Åbo Akademi University, 14.12.2018) -
Solving the puzzle of mobile learning adoption
TUCS Dissertations : 134 (Turku Centre for Computer Science (TUCS), 18.05.2011)The dissertation seeks to explore how to improve users‘ adoption of mobile learning in current education systems. Considering the difference between basic and tertiary education in China, the research consists of two ... -
Some advances in mathematical models for preference relations
TUCS Dissertations : 136 (Turku Centre for Computer Science (TUCS), 10.06.2011)Preference relations, and their modeling, have played a crucial role in both social sciences and applied mathematics. A special category of preference relations is represented by cardinal preference relations, which are ...