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Authors: João Costa Silva 1 ; Dora Melo 2 ; 1 ; Irene Pimenta Rodrigues 3 ; 1 ; João Costa Seco 1 ; Carla Ferreira 1 and Joana Parreira 1

Affiliations: 1 NOVA Laboratory for Computer Science and Informatics, NOVA LINCS, Portugal ; 2 Coimbra Business School—ISCAC, Polytechnic of Coimbra, Portugal ; 3 Department of Informatics, University of Évora, Portugal

Keyword(s): OWL2 Ontologies, Natural Language Processing, Dialogue Systems, Semantic Web.

Abstract: An ontology based task oriented dialogue as an interface to an user developing applications using natural language instructions is presented. The dialogue system represents the domain knowledge in an OWL2 ontology that is consulted and updated in the interpretation of the user utterances. The utterances are processed using an Universal Dependencies parser whose output is then interpreted to obtain a partial semantic representation. The pragmatic interpretation computes a set of possible interpretations by matching the partial representation with the ontology information, classes, properties, instances and data properties values, such as names. The dialogue manager is able to use soft constraints to choose the set of best interpretations. A set of preliminary experimental cases with promising results is also presented.

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Paper citation in several formats:
Silva, J.; Melo, D.; Rodrigues, I.; Seco, J.; Ferreira, C. and Parreira, J. (2021). An Ontology based Task Oriented Dialogue. In Proceedings of the 13th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management (IC3K 2021) - KEOD; ISBN 978-989-758-533-3; ISSN 2184-3228, SciTePress, pages 96-107. DOI: 10.5220/0010711900003064

@conference{keod21,
author={João Costa Silva. and Dora Melo. and Irene Pimenta Rodrigues. and João Costa Seco. and Carla Ferreira. and Joana Parreira.},
title={An Ontology based Task Oriented Dialogue},
booktitle={Proceedings of the 13th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management (IC3K 2021) - KEOD},
year={2021},
pages={96-107},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010711900003064},
isbn={978-989-758-533-3},
issn={2184-3228},
}

TY - CONF

JO - Proceedings of the 13th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management (IC3K 2021) - KEOD
TI - An Ontology based Task Oriented Dialogue
SN - 978-989-758-533-3
IS - 2184-3228
AU - Silva, J.
AU - Melo, D.
AU - Rodrigues, I.
AU - Seco, J.
AU - Ferreira, C.
AU - Parreira, J.
PY - 2021
SP - 96
EP - 107
DO - 10.5220/0010711900003064
PB - SciTePress

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