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Third Quarter 2012 (vol. 5 no. 3)
pp. 275-289
M. Hatala, Sch. of Interactive Arts & Technol., Simon Fraser Univ., Surrey, BC, Canada
D. Gašević, Sch. of Comput. & Inf. Syst., Athabasca Univ., Athabasca, AB, Canada
M. Siadaty, Sch. of Interactive Arts & Technol., Simon Fraser Univ., Surrey, BC, Canada
J. Jovanovic, Fac. of Organizational Sci., Univ. of Belgrade, Belgrade, Serbia
C. Torniai, Oregon Dev. Group, Oregon Health & Sci. Univ., Portland, OR, USA
Recent research in Technology-Enhanced Learning (TEL) demonstrated several important benefits that semantic technologies can bring to the TEL domain. An underlying assumption for most of these research efforts is the existence of a domain ontology. The second unspoken assumption follows that educators will build domain ontologies for their courses. However, ontologies are hard to build, especially for not-tech-savvy users. Tools for ontology extraction from text aim to overcome this problem. We have conducted an empirical study with educators, both from Information Technology (IT) and non-IT domains, where they used current ontology extraction tools to build domain ontologies for their courses from their existing course material. Based on the obtained study results we have drawn conclusions about the existing ontology extraction tools and provided recommendations for their future development so that they can be beneficial for the TEL domain.
Index Terms:
Ontologies,Electronic learning,Educational institutions,Semantic Web,Measurement,Semantics,Usability,evaluation/methodology,Ontologies,Electronic learning,Educational institutions,Semantic Web,Measurement,Semantics,Usability,general,Knowledge representation formalisms and methods,ontologies
M. Hatala, D. Gašević, M. Siadaty, J. Jovanovic, C. Torniai, "Ontology Extraction Tools: An Empirical Study with Educators," IEEE Transactions on Learning Technologies, vol. 5, no. 3, pp. 275-289, Third Quarter 2012, doi:10.1109/TLT.2012.9
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