Concept hierarchies greatly help in the organization and reuse of information. Multidimensional, hierarchy-organized data are widely used in a variety of applications, such as data warehousing, mining network data, etc. In the <nop>HiPPIS (Hierarchical Peer-to-Peer Indexing System) project, we investigate methods for efficiently storing and querying multidimensional data organized into concept hierarchies and dispersed over a network. * Papers * A. Asiki and K. Doka and D. Tsoumakos and N. Koziris: *Support for Concept Hierarchies in DHTs*. _In Proceedings of 8th International Conference on Peer-to-Peer Computing, Aachen University , Germany , 8-11 September 2008_ * K. Doka and D. Tsoumakos and N. Koziris: *HiPPIS: An Online P2P System for Efficient Lookups on d-Dimensional Hierarchies*. _In Proceedings of the 10th International Workshop on Web Information and Data Management, Napa Valley, California, 26-30 October 2008_ * K. Doka and A. Assiki and D. Tsoumakos and N. Koziris: *Online Querying of Concept Hierarchies in P2P Systems*. _In Proceedings of the 16th International Conference on Cooperative Information Systems, Monterrey, Mexico, 12-14 November 2008_ * A. Asiki and D. Tsoumakos and N. Koziris: *An Adaptive Online System for Efficient Processing of Hierarchical Data*. _In Proceedings of International ACM Symposium on High Performance Distributed Computing (HPDC 2009), Munich, Germany, June 11-13, 2009_ * People * [[http://www.cslab.ece.ntua.gr/~aassiki][ A. Asiki]] and [[http://www.cslab.ece.ntua.gr/~doka][K. Doka]] * [[http://www.cslab.ece.ntua.gr/~dtsouma][D. Tsoumakos]]<br />
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Topic revision: r3 - 2009-06-23 - AthanassiaAssiki
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