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Authors: Domenico Beneventano 1 ; Sonia Bergamaschi 1 ; Stefania Bruschi 1 ; Francesco Guerra 2 ; Mirko Orsini 1 and Maurizio Vincini 1

Affiliations: 1 DII - Università di Modena e Reggio Emilia, Italy ; 2 DEA - Università di Modena e Reggio Emilia, Italy

Keyword(s): Semantic integration, wrapper HTML, query manager.

Related Ontology Subjects/Areas/Topics: Internet Technology ; System Integration ; Web Information Systems and Technologies

Abstract: Research on data integration has provided a set of rich and well understood schema mediation languages and systems that provide a meta-data representation of the modeled real world, while, in general, they do not deal with data instances. Such meta-data are necessary for querying classes result of an integration process: the end user typically does not know the contents of such classes, he simply defines his queries on the basis of the names of classes and attributes. In this paper we introduce an approach enriching the description of selected attributes specifying as meta-data a list of the “relevant values” for such attributes. Furthermore relevant values may be hierarchically collected in a taxonomy. In this way, the user may exploit new meta-data in the interactive process of creating/refining a query. The same meta-data are also exploited by the system in the query rewriting/unfolding process in order to filter the results showed to the user. We conducted an evaluation of the st rategy in an e-business context within the EU-IST SEWASIE project. The evaluation proved the practicability of the approach for large value instances. (More)

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Paper citation in several formats:
Beneventano, D.; Bergamaschi, S.; Bruschi, S.; Guerra, F.; Orsini, M. and Vincini, M. (2006). INSTANCES NAVIGATION FOR QUERYING INTEGRATED DATA FROM WEB-SITES. In Proceedings of WEBIST 2006 - Second International Conference on Web Information Systems and Technologies - Volume 1: WEBIST; ISBN 978-972-8865-46-7; ISSN 2184-3252, SciTePress, pages 46-53. DOI: 10.5220/0001247900460053

@conference{webist06,
author={Domenico Beneventano. and Sonia Bergamaschi. and Stefania Bruschi. and Francesco Guerra. and Mirko Orsini. and Maurizio Vincini.},
title={INSTANCES NAVIGATION FOR QUERYING INTEGRATED DATA FROM WEB-SITES},
booktitle={Proceedings of WEBIST 2006 - Second International Conference on Web Information Systems and Technologies - Volume 1: WEBIST},
year={2006},
pages={46-53},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001247900460053},
isbn={978-972-8865-46-7},
issn={2184-3252},
}

TY - CONF

JO - Proceedings of WEBIST 2006 - Second International Conference on Web Information Systems and Technologies - Volume 1: WEBIST
TI - INSTANCES NAVIGATION FOR QUERYING INTEGRATED DATA FROM WEB-SITES
SN - 978-972-8865-46-7
IS - 2184-3252
AU - Beneventano, D.
AU - Bergamaschi, S.
AU - Bruschi, S.
AU - Guerra, F.
AU - Orsini, M.
AU - Vincini, M.
PY - 2006
SP - 46
EP - 53
DO - 10.5220/0001247900460053
PB - SciTePress

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