D 2019

Metric Embedding into the Hamming Space with the n-Simplex Projection

VADICAMO, Lucia; Vladimír MÍČ; Falchi FABRIZIO and Pavel ZEZULA

Basic information

Original name

Metric Embedding into the Hamming Space with the n-Simplex Projection

Authors

VADICAMO, Lucia; Vladimír MÍČ; Falchi FABRIZIO and Pavel ZEZULA

Edition

Cham, Similarity Search and Applications: 12th International Conference, SISAP 2019, Newark, New Jersey, USA, October 2-4, 2019, Proceedings, p. 265-272, 8 pp. 2019

Publisher

Springer International Publishing

Other information

Language

English

Type of outcome

Proceedings paper

Country of publisher

Switzerland

Confidentiality degree

is not subject to a state or trade secret

Publication form

printed version "print"

Marked to be transferred to RIV

Yes

RIV identification code

RIV/00216224:14330/19:00110797

Organization

Fakulta informatiky – Repository – Repository

ISBN

978-3-030-32046-1

ISSN

EID Scopus

2-s2.0-85076087049

Keywords in English

Similarity search; Space transformation; Hamming Embedding; n-Simplex Projection; sketch

Links

EF16_019/0000822, research and development project.
Changed: 9/9/2020 08:47, RNDr. Daniel Jakubík

Abstract

In the original language

Transformations of data objects into the Hamming space are often exploited to speed-up the similarity search in metric spaces. Techniques applicable in generic metric spaces require expensive learning, e.g., selection of pivoting objects. However, when searching in common Euclidean space, the best performance is usually achieved by transformations specifically designed for this space. We propose a novel transformation technique that provides a good trade-off between the applicability and the quality of the space approximation. It uses the n-Simplex projection to transform metric objects into a low-dimensional Euclidean space, and then transform this space to the Hamming space. We compare our approach theoretically and experimentally with several techniques of the metric embedding into the Hamming space. We focus on the applicability, learning cost, and the quality of search space approximation.
Displayed: 4/5/2026 16:18