Now showing items 6-19 of 19

    Dataset proximity mining for supporting schema matching and data lake governance 

    Alserafi, Ayman (Date of defense: 2021-02-05)

    With the huge growth in the amount of data generated by information systems, it is common practice today to store datasets in their raw formats (i.e., without any data preprocessing or transformations) in large-scale data ...

    Model-based control and diagnosis of inland navigation networks 

    Segovia Castillo, Pablo (Date of defense: 2019-06-11)

    This thesis regards the problem of optimal management of water resources in inland navigation networks from a control theory perspective. In particular, the main objective to be attained consists in guaranteeing the ...

    Aspects of semantic ETL 

    Deb Nath, Rudra Pratap (Date of defense: 2020-10-01)

    Business Intelligence tools support making better business decisions by analyzing available organizational data. Data Warehouses (DWs), typically structured with the Multidimensional (MD) model, are used to store data from ...

    Advances in state estimation, diagnosis and control of complex systems 

    Wang, Ye (Date of defense: 2018-10-22)

    This dissertation intends to provide theoretical and practical contributions on estimation, diagnosis and control of complex systems, especially in the mathematical form of descriptor systems. The research is motivated by ...

    Layout inference and table detection in spreadsheet document 

    Koci, Elvis (Date of defense: 2020-06-04)

    Spreadsheet applications have evolved to be a tool of great importance for businesses, open data, and scientific communities. Using these applications, users can perform various transformations, generate new content, ...

    Storage format selection and optimization for materialized intermediate results in data-intensive flows 

    Munir, Rana Faisal (Date of defense: 2019-12-05)

    Modern organizations produce and collect large volumes of data, that need to be processed repeatedly and quickly for gaining business insights. For such processing, typically, Data-intensive Flows (DIFs) are deployed on ...

    Metadata-driven data integration 

    Nadal Francesch, Sergi (Date of defense: 2019-05-16)

    Data has an undoubtable impact on society. Storing and processing large amounts of available data is currently one of the key success factors for an organization. Nonetheless, we are recently witnessing a change represented ...

    Temporal graph mining and distributed processing 

    Kumar, Rohit, 1986- (Date of defense: 2018-06-27)

    With the recent growth of social media platforms and the human desire to interact with the digital world a lot of human-human and human-device interaction data is getting generated every second. With the boom of the Internet ...

    Learning the impact of data pre-processing in data analysis 

    Bilalli, Besim (Date of defense: 2018-06-28)

    There is a clear correlation between data availability and data analytics, and hence with the increase of data availability --- unavoidable according to Moore's law, the need for data analytics increases too. This certainly ...

    Aggregation techniques for energy flexibility 

    Valsomatzis, Emmanouil (Date of defense: 2017-12-04)

    Over the last few years, the cost of energy from renewable resources, such as sunlight and wind, has declined resulting in an increasing use of Renewable Energy Sources (RES). As a result, the energy produced by RES is fed ...

    Semantic metadata for supporting exploratory OLAP 

    Varga, Jovan (Date of defense: 2017-01-24)

    On-Line Analytical Processing (OLAP) is an approach widely used for data analysis. OLAP is based on the multidimensional (MD) data model where factual data are related to their analytical perspectives called dimensions and ...

    Automating user-centered design of data-intensive processes 

    Theodorou, Vasileios (Date of defense: 2017-01-27)

    Business Intelligence (BI) enables organizations to collect and analyze internal and external business data to generate knowledge and business value, and provide decision support at the strategic, tactical, and operational ...

    Detección de isquemia de miocardio y estudio de la respuesta autónoma asociada mediante procesamiento de la señal de EGG 

    Magrans Nicieza, Rudys (Date of defense: 2016-11-29)

    Myocardial ischemia, consequence of coronary artery disease, is the major health problem leading to myocardial infarction (MI), arrhythmias and death. Autonomic nervous system (ANS) regulates several physiological functions ...

    Requirement-driven design and optimization of data-intensive flows 

    Jovanovic, Petar (Date of defense: 2016-09-26)

    Data have become number one assets of today's business world. Thus, its exploitation and analysis attracted the attention of people from different fields and having different technical backgrounds. Data-intensive flows are ...