Jon Atle Gulla, Geir Solskinnsbakk, Per Myrseth, Veronika Haderlein, Olga Cerrato


Ontology evolution is the process of incrementally and consistently adapting an existing ontology to changes in the relevant domain. Even though ontology management and versioning tools are now available, they are of limited use for ontology evolution unless the desired changes are known beforehand. Ontology learning toolsets are often employed, but they require large document sets and do not take the existing structures into account. Semantic drift refers to how concepts’ intentions gradually change as the domain evolves. When a semantic drift is detected, it means that a concept is gradually understood in a different way or its relationships with other concepts are undergoing some changes. A semantic drift captures small domain changes that are hard to detect with traditional ontology engineering approaches. This paper discusses a new approach to detecting and assessing semantic drift in ontologies. The method makes use of concept signatures that are constructed on the basis of how concepts are used and described. Comparing how signatures change over time, we see how concepts’ semantic content evolves and how their relationships to other concepts gradually reflect these changes. An experiment with the DNV’s business sector ontology from 2004 and 2008 demonstrates the value of this approach to ontology evolution.


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Paper Citation

in Harvard Style

Gulla J., Solskinnsbakk G., Myrseth P., Haderlein V. and Cerrato O. (2010). SEMANTIC DRIFT IN ONTOLOGIES . In Proceedings of the 6th International Conference on Web Information Systems and Technology - Volume 2: WEBIST, ISBN 978-989-674-025-2, pages 13-20. DOI: 10.5220/0002788800130020

in Bibtex Style

author={Jon Atle Gulla and Geir Solskinnsbakk and Per Myrseth and Veronika Haderlein and Olga Cerrato},
booktitle={Proceedings of the 6th International Conference on Web Information Systems and Technology - Volume 2: WEBIST,},

in EndNote Style

JO - Proceedings of the 6th International Conference on Web Information Systems and Technology - Volume 2: WEBIST,
SN - 978-989-674-025-2
AU - Gulla J.
AU - Solskinnsbakk G.
AU - Myrseth P.
AU - Haderlein V.
AU - Cerrato O.
PY - 2010
SP - 13
EP - 20
DO - 10.5220/0002788800130020