2018
Towards Faster Similarity Search by Dynamic Reordering of Streamed Queries
NÁLEPA, Filip, Michal BATKO a Pavel ZEZULAZákladní údaje
Originální název
Towards Faster Similarity Search by Dynamic Reordering of Streamed Queries
Autoři
NÁLEPA, Filip (203 Česká republika, garant, domácí), Michal BATKO (203 Česká republika, domácí) a Pavel ZEZULA (203 Česká republika, domácí)
Vydání
Berlin, Heidelberg, Transactions on Large-Scale Data- and Knowledge-Centered Systems XXXVIII, od s. 61-88, 28 s. 2018
Nakladatel
Springer
Další údaje
Jazyk
angličtina
Typ výsledku
Stať ve sborníku
Obor
10201 Computer sciences, information science, bioinformatics
Stát vydavatele
Švýcarsko
Utajení
není předmětem státního či obchodního tajemství
Forma vydání
tištěná verze "print"
Impakt faktor
Impact factor: 0.402 v roce 2005
Kód RIV
RIV/00216224:14330/18:00101119
Organizační jednotka
Fakulta informatiky
ISBN
978-3-662-58383-8
ISSN
Klíčová slova anglicky
stream processing; similarity search
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 30. 4. 2019 07:28, RNDr. Pavel Šmerk, Ph.D.
Anotace
V originále
Current era of digital data explosion calls for employment of content-based similarity search techniques, since traditional searchable metadata like annotations are not always available. In our work, we focus on a scenario where the similarity search is used in the context of stream processing, which is one of the suitable approaches to deal with huge amounts of data. Our goal is to maximize the throughput of processed queries while a slight delay is acceptable. We propose a technique that dynamically reorders the queries coming from the stream in order to use our caching mechanism in huge data spaces more effectively. We were able to achieve significantly higher throughput compared to the baseline when no reordering and no caching were used. Moreover, our proposal does not incur any additional precision loss of the similarity search, as opposed to some other caching techniques. In addition to the throughput maximization, we also study the potential of trading off the throughput for low delays (waiting times). The proposed technique allows to be parameterized by the amount of the throughput that can be sacrificed.
Návaznosti
GA16-18889S, projekt VaV |
|