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2012 IEEE 28th International Conference on Data Engineering (2012)
Arlington, Virginia USA
Apr. 1, 2012 to Apr. 5, 2012
ISSN: 1084-4627
ISBN: 978-0-7695-4747-3
pp: 1309-1312
We present Nyaya, a flexible system for the management of large-scale semantic data which couples a general-purpose storage mechanism with efficient ontological query answering. Nyaya rapidly imports semantic data expressed in different formalisms into semantic data kiosks. Each kiosk exposes the native ontological constraints in a uniform fashion using data log+-, a very general rule-based language for the representation of ontological constraints. A group of kiosks forms a semantic data market where the data in each kiosk can be uniformly accessed using conjunctive queries and where users can specify user-defined constraints over the data. Nyaya is easily extensible and robust to updates of both data and meta-data in the kiosk and can readily adapt to different logical organizations of the persistent storage. In the demonstration, we will show the capabilities of Nyaya over real-world case studies and demonstrate its efficiency over well-known benchmarks.

G. Orsi, R. De Virgilio, L. Tanca and R. Torlone, "NYAYA: A System Supporting the Uniform Management of Large Sets of Semantic Data," 2012 IEEE 28th International Conference on Data Engineering(ICDE), Arlington, Virginia USA, 2012, pp. 1309-1312.
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