Searched for: contributor%3A%22de+Vries%2C+A.P.+%28promotor%29%22
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Vuurens, J.B.P. (author)
Information Retrieval (IR) is finding content of an unstructured nature with respect to an information need. A retrieval system typically uses a retrieval model to rank the available content by their estimated relevance to an information need. For decades, state-of-the-art retrieval models have used the assumption that terms appear independently...
doctoral thesis 2017
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Li, W. (author)
This thesis carried out two major investigations on how the geographical information generated by users in social media can be used to model and predict human behaviours. The first investigation regards the mobility patterns of social media users, which utilizes the relations between geographical information and other sources of information, e.g...
doctoral thesis 2016
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Eickhoff, C. (author)
Information retrieval systems centrally build upon the concept of relevance in order to rank documents in response to a user's query. Assessing relevance is a non-trivial operation that can be influenced by a multitude of factors that go beyond mere topical overlap with the query. This thesis argues that relevance depends on personal (Chapter 2)...
doctoral thesis 2014
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Cardoso de Araujo, S.F. (author)
Data integration is a broad area encompassing techniques to merge data between data sources. Although there are plenty of efficient and effective methods focusing on data integration over homogeneous data, where instances share the same schema and range of values, their applications over heterogeneous data are less clear. This thesis considers...
doctoral thesis 2014
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Cornacchia, R. (author)
For many years, information retrieval (IR) systems could have been adequately described as applications that assign an estimate of relevancy to a pair of document and query, each represented as a 'bag-of-words'. The implementation of such search systems has been relatively straightforward, and most engineers code retrieval models directly on top...
doctoral thesis 2012
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Clements, M. (author)
On many websites users can personally contribute information, ranging from short text messages to photos and videos. Users can see the information contributed by others and respond to it. These social media actively engage their community in the structuring of the collection by making use of collaborative annotation methods. Next to an improved...
doctoral thesis 2010
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Wang, J. (author)
doctoral thesis 2008
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