Guest editorial: special issue on metadata management

Guest editorial: special issue on metadata management The VLDB Journal (2008) 17:1345–1346 DOI 10.1007/s00778-008-0112-3 EDITORIAL Tiziana Catarci · Renée J. Miller Published online: 20 August 2008 © Springer-Verlag 2008 In this special issue on metadata management, we present a Cudré-Mauroux, Adriana Budura, Manfred Hauswirth, and new work on creating, gathering, managing, and understan- Karl Aberer, tackles the scarcity of metadata by proposing a ding metadata. The work in this issue highlights the reality large-scale collaboration system for gathering, integrating, that the lack of metadata and effective techniques for mana- and sharing data annotations. The PicShark system leve- ging them is currently one of the biggest challenges to mea- rages schema-matching techniques to match both tags and ningful use and sharing of the wealth (or should we say glut) semi-structured annotations. To do this at a large-scale of data available today. across diverse domains, PicShark recognizes that locally dev- Our first paper, “Model-Independent Schema Translation” eloped annotations, particularly those derived using (semi-) by Paolo Atzeni, Paolo Cappellari, Riccardo Torlone, Philip automatic techniques, are often incomplete. Hence, the A. Bernstein, and Giorgio Gianforme, considers the schema integration process not only must recognize the semantic translation problem—a problem as old as the data manage- heterogeneity of annotations, but also The VLDB Journal Springer Journals

Guest editorial: special issue on metadata management

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Copyright © 2008 by Springer-Verlag
Computer Science; Database Management
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