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Authors: Emil Şt. Chifu and Viorica R. Chifu

Affiliation: Technical University of Cluj-Napoca, Romania

Keyword(s): Taxonomy enrichment, unsupervised neural network, extended growing hierarchical self-organizing maps.

Related Ontology Subjects/Areas/Topics: Artificial Intelligence ; Biomedical Engineering ; Data Engineering ; Enterprise Information Systems ; Health Information Systems ; Information Systems Analysis and Specification ; Knowledge Discovery and Information Retrieval ; Knowledge Management ; Knowledge-Based Systems ; Ontologies and the Semantic Web ; Ontology and the Semantic Web ; Society, e-Business and e-Government ; Soft Computing ; Symbolic Systems ; Web Information Systems and Technologies ; Web Interfaces and Applications ; Web Mining

Abstract: The paper describes an unsupervised framework for domain taxonomy enrichment with new domain-specific concepts extracted from domain text corpora. The framework is based on an extended model of hierarchical self-organizing maps. Terms extracted by mining a text corpus encode contextual content information, in a distributional vector space. The enrichment behaves like a classification of the extracted terms into the existing taxonomy by attaching them as hyponyms for the intermediate and leaf nodes of the taxonomy. We propose an evaluation setting in which we assess the power of attraction of the population of terms towards the branches of the taxonomy (recall) and the precision of attaching correct hyponyms (accuracy).

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Paper citation in several formats:
Şt. Chifu, E. and R. Chifu, V. (2008). EVALUATING THE HYPONYM ATTACHMENTS IN AN UNSUPERVISED TAXONOMY ENRICHMENT FRAMEWORK. In Proceedings of the Fourth International Conference on Web Information Systems and Technologies - Volume 1: WEBIST; ISBN 978-989-8111-27-2; ISSN 2184-3252, SciTePress, pages 247-252. DOI: 10.5220/0001529302470252

@conference{webist08,
author={Emil {Şt. Chifu}. and Viorica {R. Chifu}.},
title={EVALUATING THE HYPONYM ATTACHMENTS IN AN UNSUPERVISED TAXONOMY ENRICHMENT FRAMEWORK},
booktitle={Proceedings of the Fourth International Conference on Web Information Systems and Technologies - Volume 1: WEBIST},
year={2008},
pages={247-252},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001529302470252},
isbn={978-989-8111-27-2},
issn={2184-3252},
}

TY - CONF

JO - Proceedings of the Fourth International Conference on Web Information Systems and Technologies - Volume 1: WEBIST
TI - EVALUATING THE HYPONYM ATTACHMENTS IN AN UNSUPERVISED TAXONOMY ENRICHMENT FRAMEWORK
SN - 978-989-8111-27-2
IS - 2184-3252
AU - Şt. Chifu, E.
AU - R. Chifu, V.
PY - 2008
SP - 247
EP - 252
DO - 10.5220/0001529302470252
PB - SciTePress

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