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@inproceedings{563926, author = {Dohnal, Vlastislav}, address = {Berlin, Germany}, booktitle = {Current Trends in Database Technology - EDBT 2004}, edition = {LNCS 3268}, keywords = {similarity search; access structure; metric space}, language = {eng}, location = {Berlin, Germany}, isbn = {3-540-23305-9}, pages = {133-143}, publisher = {Springer-Verlag Heidelberg}, title = {An Access Structure for Similarity Search in Metric Spaces}, year = {2004} }
TY - JOUR ID - 563926 AU - Dohnal, Vlastislav PY - 2004 TI - An Access Structure for Similarity Search in Metric Spaces PB - Springer-Verlag Heidelberg CY - Berlin, Germany SN - 3540233059 KW - similarity search KW - access structure KW - metric space N2 - Similarity retrieval is an important paradigm for searching in environments where exact match has little meaning. Moreover, in order to enlarge the set of data types for which the similarity search can efficiently be performed, the mathematical notion of metric space provides a useful abstraction of similarity. In this paper, we present a novel access structure for similarity search in arbitrary metric spaces, called D-Index. D-Index supports easy insertions and deletions and bounded search costs for range queries with radius up to $\rho$. D-Index also supports disk memories, thus, it is able to deal with large archives. However, the partitioning principles employed in the D-Index are not very optimal since they produce high number of empty partitions. We propose several strategies of partitioning and, finally, compare them. ER -
DOHNAL, Vlastislav. An Access Structure for Similarity Search in Metric Spaces. In \textit{Current Trends in Database Technology - EDBT 2004}. LNCS 3268. Berlin, Germany: Springer-Verlag Heidelberg, 2004, p.~133-143. ISBN~3-540-23305-9.
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