kNN query processing in metric spaces using GPUs

RJ Barrientos, JI Gómez, C Tenllado, MP Matias… - Euro-Par 2011 Parallel …, 2011 - Springer
Abstract Information retrieval from large databases is becoming crucial for many applications
in different fields such as content searching in multimedia objects, text retrieval or …

Sync/async parallel search for the efficient design and construction of web search engines

M Marin, V Gil-Costa, C Bonacic, R Baeza-Yates… - Parallel Computing, 2010 - Elsevier
A parallel query processing method is proposed for the design and construction of web
search engines to efficiently deal with dynamic variations in query traffic. The method allows …

Metric Space Indices for Dynamic Optimization in a Peer to Peer-Based Image Classification Crowdsourcing Platform

F Loor, V Gil-Costa, M Marin - Future Internet, 2024 - mdpi.com
Large-scale computer platforms that process users' online requests must be capable of
handling unexpected spikes in arrival rates. These platforms, which are composed of …

Scheduling metric-space queries processing on multi-core processors

V Gil-Costa, R Barrientos, M Marin… - 2010 18th Euromicro …, 2010 - ieeexplore.ieee.org
This paper proposes a strategy to organize metric-space query processing in multi-core
search nodes as understood in the context of search engines running on clusters of …

Similarity search implementations for multi-core and many-core processors

R Uribe-Paredes, P Valero-Lara, E Arias… - … Conference on High …, 2011 - ieeexplore.ieee.org
Similarity search in a large collection of stored objects in a metric database has become a
most interesting problem. The Spaghettis is an efficient metric data structure to index metric …

Range query processing in a multi-GPU environment

RJ Barrientos, JI Gómez, C Tenllado… - 2012 IEEE 10th …, 2012 - ieeexplore.ieee.org
Similarity search has been widely studied in the last years, as it can be applied to several
fields such as searching by content in multimedia objects, text retrieval or computational …

Efficient similarity search by combining indexing and caching strategies

NR Brisaboa, A Cerdeira-Pena, V Gil-Costa… - … Conference on Current …, 2015 - Springer
A critical issue in large scale search engines is to efficiently handle sudden peaks of
incoming query traffic. Research in metric spaces has addressed this problem from the point …

A gpu-based implementation for range queries on spaghettis data structure

R Uribe-Paredes, P Valero-Lara, E Arias… - … Science and Its …, 2011 - Springer
Similarity search in a large collection of stored objects in a metric database has become a
most interesting problem. The Spaghettis is an efficient metric data structure to index metric …

Load balancing query processing in metric-space similarity search

V Gil-Costa, M Marin - … Symposium on Cluster, Cloud and Grid …, 2012 - ieeexplore.ieee.org
Metric-space similarity search has been proven suitable for searching large collections of
complex objects such as images. A number of distributed index data structures and …

Distributing a metric-space search index onto processors

M Marin, F Ferrarotti, V Gil-Costa - 2010 39th International …, 2010 - ieeexplore.ieee.org
This paper studies the problem of distributing a metric-space search index based on
compact clustering onto a set of distributed memory processors. The aim is enabling efficient …