Selecting Sketches for Similarity Search

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MÍČ Vladimír NOVÁK David VADICAMO Lucia ZEZULA Pavel

Type Article in Proceedings
Conference Advances in Databases and Information Systems : 22nd European Conference, ADBIS 2018, Budapest, Hungary, September 2-5, 2018.
MU Faculty or unit

Faculty of Informatics

Keywords bit string sketches;similarity search;selecting technique
Description Many techniques transforming metric spaces into Hamming spaces to speed up searching exist. Their ability to approximate pairwise distances is data dependent and their fair comparison is expensive. We have proposed a way to efficiently estimate capability of particular transformation techniques to approximate original distances using just a small sample set of data.
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