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    Processing keyword queries under access limitations

    Calì, Andrea and Martinenghi, D. and Torlone, R. (2015) Processing keyword queries under access limitations. In: Cardoso, J. and Guerra, F. and Houben, G.-J. and Pinto, A.M. and Velegrakis, Y. (eds.) Semantic Keyword-based Search on Structured Data Sources. Lecture Notes in Computer Science 9398. New York, U.S.: Springer, pp. 30-35. ISBN 9783319279312.

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    Abstract

    The Deep Web is constituted by data accessible through Web pages, but not readily indexable by search engines, as they are returned in dynamic pages. In this paper we propose a framework for accessing Deep Web sources, represented as relational tables with so-called access limitations, with keyword-based queries. We formalize the notion of optimal answer and propose methods for query processing. To the best of our knowledge, ours is the first systematic approach to keyword search in such context.

    Metadata

    Item Type: Book Section
    Additional Information: First COST Action IC1302 International KEYSTONE Conference, IKC 2015, Coimbra, Portugal, September 8-9, 2015. Revised Selected Papers. Series ISSN: 0302-9743. The final publication is available at Springer via the link above.
    School: Birkbeck Schools and Departments > School of Business, Economics & Informatics > Computer Science and Information Systems
    Research Centre: Birkbeck Knowledge Lab
    Depositing User: Dr Andrea Cali
    Date Deposited: 22 Dec 2015 08:50
    Last Modified: 27 Jul 2019 18:09
    URI: http://eprints.bbk.ac.uk/id/eprint/13635

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