A data allocation method for efficient content-based retrieval in parallel multimedia databases

  • Authors:
  • Jorge Manjarrez-Sanchez;José Martinez;Patrick Valduriez

  • Affiliations:
  • INRIA and LINA, Université de Nantes;INRIA and LINA, Université de Nantes;INRIA and LINA, Université de Nantes

  • Venue:
  • ISPA'07 Proceedings of the 2007 international conference on Frontiers of High Performance Computing and Networking
  • Year:
  • 2007

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Abstract

Scaling up to large multimedia databases with high dimensional metadata descriptions while providing fast content-based retrieval (CBR) is getting increasingly important for many applications. To address this objective, we strive to exploit the popular parallel shared-nothing architecture. In this context, a major problem is data allocation on the different nodes in order to yield efficient parallel content-based retrieval. In this paper, assuming a clustering process and based on a complexity analysis of CBR, we propose a data allocation method with an optimal number of clusters and nodes. We validated our method through experiments with different high dimensional synthetic databases and implemented a query processing algorithm for full k nearest neighbors.