Invited paper: Sig.ma: Live views on the Web of Data

Authors:
Giovanni Tummarello;Richard Cyganiak;Michele Catasta;Szymon Danielczyk;Renaud Delbru;Stefan Decker
Affiliations:
Digital Enterprise Research Institute, National University of Ireland, Galway, Galway, Ireland and Fondazione Bruno Kessler, Trento, Italy;Digital Enterprise Research Institute, National University of Ireland, Galway, Galway, Ireland;Ecole Polytechnique Federale de Lausanne (EPFL), Lausanne, Switzerland;Digital Enterprise Research Institute, National University of Ireland, Galway, Galway, Ireland;Digital Enterprise Research Institute, National University of Ireland, Galway, Galway, Ireland;Digital Enterprise Research Institute, National University of Ireland, Galway, Galway, Ireland
Venue:
Web Semantics: Science, Services and Agents on the World Wide Web
Year:
2010

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Abstract

We present Sig.ma, both a service and an end user application to access the Web of Data as an integrated information space. Sig.ma uses an holistic approach in which large scale semantic Web indexing, logic reasoning, data aggregation heuristics, ad-hoc ontology consolidation, external services and responsive user interaction all play together to create rich entity descriptions. These consolidated entity descriptions then form the base for embeddable data mashups, machine oriented services as well as data browsing services. Finally, we discuss Sig.ma's peculiar characteristics and report on lessons learned and ideas it inspires.