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Hochschulschrift

Alignment of Multi-Cultural Knowledge Repositories

MPG-Autoren
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Boldyrev,  Natalia
Databases and Information Systems, MPI for Informatics, Max Planck Society;
International Max Planck Research School, MPI for Informatics, Max Planck Society;

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Weikum,  Gerhard
Databases and Information Systems, MPI for Informatics, Max Planck Society;

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Berberich,  Klaus
Databases and Information Systems, MPI for Informatics, Max Planck Society;

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Spaniol,  Marc
Databases and Information Systems, MPI for Informatics, Max Planck Society;

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Zitation

Boldyrev, N. (2017). Alignment of Multi-Cultural Knowledge Repositories. PhD Thesis, Universität des Saarlandes, Saarbrücken. doi:10.22028/D291-26940.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-002E-87D8-2
Zusammenfassung
The ability to interconnect multiple knowledge repositories within a single framework is a key asset for various use cases such as document retrieval and question answering. However, independently created repositories are inherently heterogeneous, reflecting their diverse origins. Thus, there is a need to align concepts and entities across knowledge repositories. A limitation of prior work is the assumption of high afinity between the repositories at hand, in terms of structure and terminology. The goal of this dissertation is to develop methods for constructing and curating alignments between multi-cultural knowledge repositories. The first contribution is a system, ACROSS, for reducing the terminological gap between repositories. The second contribution is two alignment methods, LILIANA and SESAME, that cope with structural diversity. The third contribution, LAIKA, is an approach to compute alignments between dynamic repositories. Experiments with a suite ofWeb-scale knowledge repositories show high quality alignments. In addition, the application benefits of LILIANA and SESAME are demonstrated by use cases in search and exploration.