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Author: Rodolfo Delmonte

Affiliation: Università Ca’ Foscari, Italy

Related Ontology Subjects/Areas/Topics: Artificial Intelligence ; Artificial Intelligence and Decision Support Systems ; Computer-Supported Education ; e-Learning ; Enterprise Information Systems ; Human-Computer Interaction ; Information Technologies Supporting Learning ; Intelligent Tutoring Systems ; Intelligent User Interfaces ; Natural Language Interfaces to Intelligent Systems ; Verification and Validation of Knowledge-Based Systems

Abstract: In the field of information extraction and automatic question answering access to a domain ontology may be of great help. But the main problem is building such an ontology, a difficult and time consuming task. We propose an approach in which the domain ontology is learned from the linguistic analysis of a number of texts which represent the domain itself. NLP analysis is done with GETARUNS system. GETARUNS can build a Discourse Model and is able to assign a relevance score to each entity. From Discourse Model we extract best candidates to become concepts in the domain ontology. To arrange concepts in the correct hierarchy we use WordNet taxonomy. Once the domain ontology is built we reconsider the texts to extract information. In this phase the entities recognized at discourse level are used to create instances of the concepts. The predicate-argument structure of the verb is used to construct instance slots for concepts. Eventually, the question answering task is performed by transla ting the natural language question in a suitable form and use that to query the Discourse Model enriched by the ontology. (More)

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Paper citation in several formats:
Delmonte, R. (2006). Building Domain Ontologies from Text Analysis: An Application for Question Answering. In Proceedings of the 3rd International Workshop on Natural Language Understanding and Cognitive Science (ICEIS 2006) - NLUCS; ISBN 978-972-8865-50-4, SciTePress, pages 3-16. DOI: 10.5220/0002483200030016

@conference{nlucs06,
author={Rodolfo Delmonte.},
title={Building Domain Ontologies from Text Analysis: An Application for Question Answering},
booktitle={Proceedings of the 3rd International Workshop on Natural Language Understanding and Cognitive Science (ICEIS 2006) - NLUCS},
year={2006},
pages={3-16},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002483200030016},
isbn={978-972-8865-50-4},
}

TY - CONF

JO - Proceedings of the 3rd International Workshop on Natural Language Understanding and Cognitive Science (ICEIS 2006) - NLUCS
TI - Building Domain Ontologies from Text Analysis: An Application for Question Answering
SN - 978-972-8865-50-4
AU - Delmonte, R.
PY - 2006
SP - 3
EP - 16
DO - 10.5220/0002483200030016
PB - SciTePress

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