Hybrid Index for Metric Space Databases

  • Authors:
  • Mauricio Marin;Veronica Gil-Costa;Roberto Uribe

  • Affiliations:
  • Yahoo! Research, Santiago, Chile;DCC, Universidad Nacional de San Luis, Argentina;DCC, Universidad de Magallanes, Chile

  • Venue:
  • ICCS '08 Proceedings of the 8th international conference on Computational Science, Part I
  • Year:
  • 2008

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Abstract

We present an index data structure for metric-space databases. The proposed method has the advantage of allowing an efficient use of secondary memory. In the case of index entirely loaded in main memory our strategy achieves competitive performance. Our experimental study shows that the proposed index outperforms other strategies known to be efficient in practice. A valuable feature of the proposal is that the index can be dynamically updated once constructed.