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Authors: Serge Linckels and Christoph Meinel

Affiliation: Hasso-Plattner-Institut (HPI), University of Potsdam, Germany

Keyword(s): Multimedia, semantic search engine, natural language, information retrieval, performance, e-Learning.

Related Ontology Subjects/Areas/Topics: Computer-Supported Education ; e-Learning ; e-Learning, e-Commerce and e-Society Applications ; Human-Machine Interface ; Multimedia ; Multimedia Databases, Indexing, Recognition and Retrieval ; Multimedia Systems and Applications ; Telecommunications

Abstract: In this paper we present an e-librarian service which is able to retrieve multimedia resources from a knowledge base in a more efficient way than by browsing through an index or by using a simple keyword search. We explored the approach to allow the user to formulate a complete question in natural language. Our background theory is composed of three steps. Firstly, there is the linguistic pre-processing of the user question. Secondly, there is the semantic interpretation of the user question into a logical and unambiguous form, i.e. ALC terminology. The focus function resolves ambiguities in the question; it returns the best interpretation for a given word in the context of the complete user question. Thirdly, there is the generation of a semantic query, and the retrieval of pertinent documents. We developed two prototypes: one about computer history (CHESt), and one about fractions in mathematics (MatES). We report on experiments with these prototypes that confirm the feasibility , the quality and the benefits of such an e-librarian service. From 229 different user questions, the system returned for 97% of the questions the right answer, and for nearly half of the questions only one answer, the best one. (More)

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Paper citation in several formats:
Linckels, S. and Meinel, C. (2006). AN E-LIBRARIAN SERVICE THAT YIELDS PERTINENT RESOURCES FROM A MULTIMEDIA KNOWLEDGE BASE. In Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2006) - SIGMAP; ISBN 978-972-8865-64-1, SciTePress, pages 208-215. DOI: 10.5220/0001571302080215

@conference{sigmap06,
author={Serge Linckels. and Christoph Meinel.},
title={AN E-LIBRARIAN SERVICE THAT YIELDS PERTINENT RESOURCES FROM A MULTIMEDIA KNOWLEDGE BASE},
booktitle={Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2006) - SIGMAP},
year={2006},
pages={208-215},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001571302080215},
isbn={978-972-8865-64-1},
}

TY - CONF

JO - Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2006) - SIGMAP
TI - AN E-LIBRARIAN SERVICE THAT YIELDS PERTINENT RESOURCES FROM A MULTIMEDIA KNOWLEDGE BASE
SN - 978-972-8865-64-1
AU - Linckels, S.
AU - Meinel, C.
PY - 2006
SP - 208
EP - 215
DO - 10.5220/0001571302080215
PB - SciTePress