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Vassilakipoulos, Michael Author

GPU-Based Algorithms for Processing the k Nearest-Neighbor Query on Spatial Data Using Partitioning and Concurrent Kernel Execution

  • Velentzas P.
  • Vassilakopoulos M.
  • Corral A.
  • Antonopoulos C.

International Journal of Parallel Programming - 1/1/2023

10.1007/s10766-023-00755-8

Cite count:
  • CiteScore: 4 (2022)
  • SJR: 0.399 (2022
  • SNIP: 0.752 (2022

Efficient distributed algorithms for distance join queries in spark-based spatial analytics systems

  • Francisco García-García
  • Antonio Corral
  • Luis Iribarne
  • Michael Vassilakopoulos

International Journal of General Systems - 19/02/2023

10.1080/03081079.2023.2173750

Cite count: 2 (Web of Science) 3 (Scopus)
  • Category normalized Impact: 4.412 (2023)
  • CiteScore: 4.4 (2022)
  • SJR: 0.561 (2022
  • SNIP: 1.234 (2022

Porting disk-based spatial index structures to flash-based solid state drives

  • Carniel A.C.
  • Roumelis G.
  • Ciferri R.R.
  • Vassilakopoulos M.
  • Corral A.
  • Aguiar C.D.

GeoInformatica - 1/01/2022

10.1007/s10707-021-00455-w

Cite count: 3 (Web of Science)
  • JCR Quartile: Q3 (2022)
  • JCR Impact Factor: 2.773 (2022)
  • Category normalized Impact: 0.328 (2022)
  • CiteScore: 5.2 (2021)
  • SJR: 0.661 (2021
  • SNIP: 1.337 (2021
  • JCR 5-year Impact Factor: 2.072
  • JCR Categories: COMPUTER SCIENCE, INFORMATION SYSTEMS

GPU-aided edge computing for processing the k nearest-neighbor query on SSD-resident data

  • Velentzas P.
  • Vassilakopoulos M.
  • Corral A.

Internet of Things - 1/9/2021

10.1016/j.iot.2021.100428

Cite count: 4 (Web of Science)
  • JCR Quartile: Q1 (2021)
  • JCR Impact Factor: 5.711 (2022)
  • Category normalized Impact: 0.153 (2021)
  • JCR 5-year Impact Factor: 5.962
  • JCR Categories: TELECOMMUNICATIONS
Open Access

Efficient group k nearest-neighbor spatial query processing in apache spark

  • Moutafis P.
  • Mavrommatis G.
  • Vassilakopoulos M.
  • Corral A.

ISPRS International Journal of Geo-Information - 1/11/2021

10.3390/ijgi10110763

Cite count: 4 (Web of Science)
  • JCR Quartile: Q2 (2021)
  • JCR Impact Factor: 3.099 (2022)
  • Category normalized Impact: 0.454 (2021)
  • CiteScore: 4.6 (2020)
  • SJR: 0.684 (2020
  • SNIP: 1.333 (2020
  • JCR 5-year Impact Factor: 3.165
  • JCR Categories: GEOGRAPHY, PHYSICAL

Algorithms for processing the group K nearest-neighbor query on distributed frameworks

  • Moutafis P.
  • García-García F.
  • Mavrommatis G.
  • Vassilakopoulos M.
  • Corral A.
  • Iribarne L.

Distributed and Parallel Databases - 9/09/2021

10.1007/s10619-020-07317-8

Cite count: 3 (Web of Science) 1 (Scopus)
  • JCR Quartile: Q3 (2021)
  • JCR Impact Factor: 1.5 (2022)
  • Category normalized Impact: 0.273 (2021)
  • CiteScore: 1.9 (2020)
  • SJR: 0.253 (2020
  • SNIP: 0.599 (2020
  • JCR 5-year Impact Factor: 1.495
  • JCR Categories: COMPUTER SCIENCE, INFORMATION SYSTEMS

Improving Distance-Join Query processing with Voronoi-Diagram based partitioning in SpatialHadoop

  • García-García F.
  • Corral A.
  • Iribarne L.
  • Vassilakopoulos M.

Future Generation Computer Systems - 1/1/2020

10.1016/j.future.2019.10.037

Cite count: 12 (Web of Science) 10 (Scopus)
  • JCR Quartile: Q1 (2020)
  • SJR Quartile: Q1
  • JCR Impact Factor: 7.187 (2022)
  • Category normalized Impact: 1.074 (2020)
  • CiteScore: 13.3 (2020)
  • SJR: 1.262 (2020
  • SNIP: 2.72 (2020
  • JCR 5-year Impact Factor: 5.387
  • JCR Categories: COMPUTER SCIENCE, THEORY & METHODS
  • SJR Categories: Computer Networks and Communications (Q1); Hardware and Architecture (Q1); Software (Q1)

Parallel processing of spatial batch-queries using xBR <sup>+</sup> -trees in solid-state drives

  • Roumelis G.
  • Velentzas P.
  • Vassilakopoulos M.
  • Corral A.
  • Fevgas A.
  • Manolopoulos Y.

Cluster Computing - 1/1/2020

10.1007/s10586-019-03013-0

Cite count: 6 (Web of Science) 1 (Scopus)
  • JCR Quartile: Q1 (2020)
  • SJR Quartile: Q2
  • JCR Impact Factor: 3.458 (2022)
  • Category normalized Impact: 0.31 (2020)
  • CiteScore: 3.1 (2020)
  • SJR: 0.335 (2020
  • SNIP: 0.744 (2020
  • JCR 5-year Impact Factor: 2.763
  • JCR Categories: COMPUTER SCIENCE, THEORY & METHODS
  • SJR Categories: Computer Networks and Communications (Q2); Software (Q2)

Efficient processing of all-k-nearest-neighbor queries in the MapReduce programming framework

  • Moutafis P.
  • Mavrommatis G.
  • Vassilakopoulos M.
  • Sioutas S.

DATA and KNOWLEDGE ENGINEERING - 1/5/2019

10.1016/j.datak.2019.04.003

Cite count: 12 (Web of Science) 7 (Scopus)
  • JCR Quartile: Q2 (2019)
  • SJR Quartile: Q2
  • JCR Impact Factor: 1.476 (2022)
  • Category normalized Impact: 0.691 (2019)
  • CiteScore: 4.7 (2020)
  • SJR: 0.571 (2019
  • SNIP: 1.821 (2019
  • JCR 5-year Impact Factor: 1.747
  • JCR Categories: COMPUTER SCIENCE, INFORMATION SYSTEMS
  • SJR Categories: Information Systems and Management (Q2)

Bulk-loading and bulk-insertion algorithms for xBR <sup>+</sup>-trees in Solid State Drives

  • Roumelis G.
  • Fevgas A.
  • Vassilakopoulos M.
  • Corral A.
  • Bozanis P.
  • Manolopoulos Y.

Computing - 1/10/2019

10.1007/s00607-019-00709-4

Cite count: 2 (Web of Science) 3 (Scopus)
  • JCR Quartile: Q2 (2019)
  • JCR Impact Factor: 2.044 (2022)
  • Category normalized Impact: 0.166 (2019)
  • CiteScore: 3.8 (2020)
  • SJR: 0.556 (2019
  • SNIP: 1.616 (2019
  • JCR 5-year Impact Factor: 2.258
  • JCR Categories: COMPUTER SCIENCE, THEORY & METHODS

Hyper-parameters Tuning of Artificial Neural Networks: An Application in the Field of Recommender Systems

  • Vaios Stergiopoulos
  • Michael Vassilakopoulos
  • Eleni Tousidou
  • Antonio Corral

Communications in Computer and Information Science - 1/1/2022

10.1007/978-3-031-15743-1_25

Cite count:
  • CiteScore: 0.9 (2021)
  • SJR: 0.209 (2021
  • SNIP: 0.286 (2021
Open Access

Big spatial and spatio-temporal data analytics systems

  • Velentzas P.
  • Corral A.
  • Vassilakopoulos M.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 1/1/2021

10.1007/978-3-662-62919-2_7

Cite count:
  • CiteScore: 1.8 (2020)
  • SJR: 0.249 (2020
  • SNIP: 0.628 (2020
Open Access

GPU-Based Algorithms for Processing the k Nearest-Neighbor Query on Disk-Resident Data

  • Velentzas P.
  • Vassilakopoulos M.
  • Corral A.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 1/1/2021

10.1007/978-3-030-78428-7_21

Cite count: 1 (Scopus)
  • CiteScore: 1.8 (2020)
  • SJR: 0.249 (2020
  • SNIP: 0.628 (2020
Open Access

Enhancing Sedona (formerly GeoSpark) with Efficient k Nearest Neighbor Join Processing

  • García-García F.
  • Corral A.
  • Iribarne L.
  • Vassilakopoulos M.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 1/1/2021

10.1007/978-3-030-78428-7_24

Cite count:
  • CiteScore: 1.8 (2020)
  • SJR: 0.249 (2020
  • SNIP: 0.628 (2020
Open Access

Voronoi-diagram based partitioning for distance join query processing in spatialhadoop

  • García-García F.
  • Corral A.
  • Iribarne L.
  • Vassilakopoulos M.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 1/1/2018

10.1007/978-3-030-00856-7_16

Cite count: 5 (Web of Science) 4 (Scopus)
  • Category normalized Impact: 0.897 (2018)
  • CiteScore: 1.8 (2020)
  • SJR: 0.283 (2018
  • SNIP: 0.707 (2018
Open Access

Spatial batch-queries processing using xBR<sup>+</sup>-trees in Solid-State Drives

  • Roumelis G.
  • Vassilakopoulos M.
  • Corral A.
  • Fevgas A.
  • Manolopoulos Y.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 1/1/2018

10.1007/978-3-030-00856-7_20

Cite count: 4 (Web of Science) 5 (Scopus)
  • Category normalized Impact: 0.717 (2018)
  • CiteScore: 1.8 (2020)
  • SJR: 0.283 (2018
  • SNIP: 0.707 (2018
Open Access

SliceNBound: Solving closest pairs and distance join queries in apache spark

  • Mavrommatis G.
  • Moutafis P.
  • Vassilakopoulos M.
  • García-García F.
  • Corral A.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 1/1/2017

10.1007/978-3-319-66917-5_14

Cite count: 5 (Web of Science) 3 (Scopus)
  • Category normalized Impact: 0.67 (2017)
  • CiteScore: 1.8 (2020)
  • SJR: 0.295 (2017
  • SNIP: 0.673 (2017
Open Access

A comparison of distributed spatial data management systems for processing distance join queries

  • García-García F.
  • Corral A.
  • Iribarne L.
  • Mavrommatis G.
  • Vassilakopoulos M.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 1/1/2017

10.1007/978-3-319-66917-5_15

Cite count: 6 (Web of Science) 8 (Scopus)
  • Category normalized Impact: 0.804 (2017)
  • CiteScore: 1.8 (2020)
  • SJR: 0.295 (2017
  • SNIP: 0.673 (2017
Open Access

Bulk insertions into xBR<sup>+</sup>-trees

  • Roumelis G.
  • Vassilakopoulos M.
  • Corral A.
  • Manolopoulos Y.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 1/1/2017

10.1007/978-3-319-66854-3_14

Cite count: 3 (Web of Science) 3 (Scopus)
  • Category normalized Impact: 0.362 (2017)
  • CiteScore: 1.8 (2020)
  • SJR: 0.295 (2017
  • SNIP: 0.673 (2017
Open Access

Bulk-loading xBR<sup>+</sup>-trees

  • Roumelis G.
  • Vassilakopoulos M.
  • Corral A.
  • Manolopoulos Y.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 1/1/2016

10.1007/978-3-319-45547-1_5

Cite count: 4 (Web of Science) 5 (Scopus)
  • Category normalized Impact: 0.559 (2016)
  • CiteScore: 1.8 (2020)
  • SJR: 0.339 (2016
  • SNIP: 0.676 (2016

Large Language Models versus Natural Language Understanding and Generation

  • Nikitas Karanikolas
  • Eirini Manga
  • Nikoletta Samaridi
  • Eleni Tousidou
  • Michael Vassilakopoulos

24/11/2023

10.1145/3635059.3635104

  • ORCID

A Partitioning GPU-based Algorithm for Processing the k Nearest-Neighbor Query

  • Velentzas P.
  • Vassilakopoulos M.
  • Corral A.

Proceedings of the 12th International Conference on Management of Digital EcoSystems, MEDES 2020 - 2/11/2020

10.1145/3415958.3433071

Cite count: 4 (Scopus)

In-memory k nearest neighbor GPU-based query processing

  • Velentzas P.
  • Vassilakopoulos M.
  • Corral A.

GISTAM 2020 - Proceedings of the 6th International Conference on Geographical Information Systems Theory, Applications and Management - 1/1/2020

10.5220/0009781903100317

Cite count: 2 (Web of Science) 4 (Scopus)
  • Category normalized Impact: 0.654 (2020)

MapReduce algorithms for the k group nearest-neighbor query

  • Moutafis P.
  • Vassilakopoulos M.
  • García-García F.
  • Corral A.
  • Mavrommatis G.
  • Iribarne L.

Proceedings of the ACM Symposium on Applied Computing - 1/1/2019

10.1145/3297280.3299733

Cite count: 2 (Web of Science) 3 (Scopus)
  • Category normalized Impact: 0.368 (2019)
  • SJR Categories: Electronic, Optical and Magnetic Materials; Mechanics of Materials
Open Access

MRSLICE: Efficient RkNN Query Processing in SpatialHadoop

  • García-García F.
  • Corral A.
  • Iribarne L.
  • Vassilakopoulos M.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 1/1/2019

10.1007/978-3-030-32065-2_17

Cite count: 4 (Web of Science) 1 (Scopus)
  • Category normalized Impact: 0.642 (2019)
  • CiteScore: 1.8 (2020)
  • SJR: 0.427 (2019
  • SNIP: 0.715 (2019

An efficient flash-aware spatial index for points

  • Carniel A.
  • Roumelis G.
  • Ciferri R.
  • Vassilakopoulos M.
  • Corral A.
  • Ciferri C.

Proceedings of the Brazilian Symposium on GeoInformatics - 1/1/2018

Cite count: 3 (Scopus)
  • SJR Categories: Earth and Planetary Sciences (miscellaneous); Geography, Planning and Development; Information Systems

Use-based optimization of Spatial access methods

  • Athanasiou N.
  • Corral A.
  • Vassilakopoulos M.
  • Manolopoulos Y.

9th International Conference on Management of Digital EcoSystems, MEDES 2017 - 7/11/2017

10.1145/3167020.3167030

Cite count:
Open Access

RkNN query processing in distributed spatial infrastructures: A performance study

  • García-García F.
  • Corral A.
  • Iribarne L.
  • Vassilakopoulos M.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 1/1/2017

10.1007/978-3-319-66854-3_15

Cite count: 3 (Web of Science) 2 (Scopus)
  • Category normalized Impact: 0.241 (2017)
  • CiteScore: 1.8 (2020)
  • SJR: 0.295 (2017
  • SNIP: 0.673 (2017

Distance range queries in spatialhadoop

  • García-García, F.
  • Corral, A.
  • Iribarne, L.
  • Vassilakopoulos, M.

Actas de las 21st Jornadas de Ingenier&amp;amp;amp;amp;amp;amp;#65533;a del Software y Bases de Datos, JISBD 2016 - 2016

  • ORCID

Design and functionalities of a Hybrid Personalized Learning Electronic Assistant

  • Mallios N.
  • Vassilakopoulos M.

ICEIS 2016 - Proceedings of the 18th International Conference on Enterprise Information Systems - 1/1/2016

Cite count:
  • SJR Categories: Environmental Science (miscellaneous)

This author has no patents.

This author has no reports or other types of publications.

Scopus: 13

Web of Science: 11

Scopus: 23

Web of Science: 13

Last data update: 4/13/24 7:24 AM
Next scheduled update: 4/20/24 3:00 AM