Abstract
In the paper we show how imposing the contextual structure of a knowledge base can lead to extending its expressiveness without changing the underlying language. We show this using the example of Description Logics, which constitutes a base for a range of dialects for expressing knowledge in ontologies (including state-of-the-art OWL).
While the contextual frameworks have been used in knowledge bases, they have been perceived as a tool for merging different viewpoints and domains, or a tool for simplifying reasoning by constraining the range of the statements being considered. We show, how it may also be used as a way of expressing more complicated interrelationships between terms, and discuss the import of this fact for authoring ontologies.
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Notes
- 1.
With a bit of abuse of the notions, for the sake of simplicity throughout this paper we use the terms “ontology” and “knowledge base” interchangeably.
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Acknowledgements
This work was partially supported by the Polish National Centre for Research and Development (NCBiR) under Grant No. PBS3/B3/35/2015, project “Structuring and classification of Internet contents with prediction of its dynamics” (Polish title: “Strukturyzacja i klasyfikacja treści internetowych wraz z predykcja ich dynamiki”).
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Waloszek, A., Waloszek, W. (2017). Extending Expressiveness of Knowledge Description with Contextual Approach. In: Kozielski, S., Mrozek, D., Kasprowski, P., Małysiak-Mrozek, B., Kostrzewa, D. (eds) Beyond Databases, Architectures and Structures. Towards Efficient Solutions for Data Analysis and Knowledge Representation. BDAS 2017. Communications in Computer and Information Science, vol 716. Springer, Cham. https://doi.org/10.1007/978-3-319-58274-0_22
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