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Vassilakipoulos, Michael Author

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
Open Access

Efficient distance join query processing in distributed spatial data management systems

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

INFORMATION SCIENCES - 1/1/2019

10.1016/j.ins.2019.10.030

Cite count: 13 (Web of Science) 8 (Scopus)
  • JCR Quartile: Q1 (2019)
  • SJR Quartile: Q1
  • JCR Impact Factor: 6.795 (2022)
  • Category normalized Impact: 1.014 (2019)
  • CiteScore: 12.1 (2020)
  • SJR: 1.524 (2020
  • SNIP: 2.585 (2020
  • JCR 5-year Impact Factor: 5.563
  • JCR Categories: COMPUTER SCIENCE, INFORMATION SYSTEMS
  • SJR Categories: Artificial Intelligence (Q1); Computer Science Applications (Q1); Control and Systems Engineering (Q1); Information Systems and Management (Q1); Software (Q1); Theoretical Computer Science (Q1)
Open Access

Efficient large-scale distance-based join queries in spatialhadoop

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

GEOINFORMATICA - 1/4/2018

10.1007/s10707-017-0309-y

Cite count: 12 (Web of Science) 13 (Scopus)
  • JCR Quartile: Q4 (2018)
  • SJR Quartile: Q2
  • JCR Impact Factor: 1.317 (2022)
  • Category normalized Impact: 0.672 (2018)
  • CiteScore: 4.4 (2020)
  • SJR: 0.517 (2018
  • SNIP: 2.094 (2018
  • JCR 5-year Impact Factor: 2.201
  • JCR Categories: GEOGRAPHY, PHYSICAL
  • SJR Categories: Geography, Planning and Development (Q2); Information Systems (Q2)
Open Access

An efficient algorithm for bulk-loading xBR+-trees

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

COMPUTER STANDARDS and INTERFACES - 1/3/2018

10.1016/j.csi.2017.05.003

Cite count: 4 (Web of Science) 2 (Scopus)
  • JCR Quartile: Q2 (2018)
  • SJR Quartile: Q1
  • JCR Impact Factor: 2.441 (2022)
  • Category normalized Impact: 0.196 (2018)
  • CiteScore: 9.4 (2020)
  • SJR: 0.455 (2018
  • SNIP: 1.748 (2018
  • JCR 5-year Impact Factor: 1.952
  • JCR Categories: COMPUTER SCIENCE, HARDWARE & ARCHITECTURE
  • SJR Categories: Hardware and Architecture (Q1); Law (Q2); Software (Q2)
Open Access

Efficient query processing on large spatial databases: A performance study

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

Journal of Systems and Software - 1/10/2017

10.1016/j.jss.2017.07.005

Cite count: 11 (Web of Science) 17 (Scopus)
  • JCR Quartile: Q1 (2017)
  • SJR Quartile: Q1
  • JCR Impact Factor: 2.278 (2022)
  • Category normalized Impact: 0.71 (2017)
  • CiteScore: 8.4 (2020)
  • SJR: 0.472 (2017
  • SNIP: 2.08 (2017
  • JCR 5-year Impact Factor: 2.401
  • JCR Categories: COMPUTER SCIENCE, THEORY & METHODS
  • SJR Categories: Hardware and Architecture (Q1); Information Systems (Q2); Software (Q2)
Open Access

New plane-sweep algorithms for distance-based join queries in spatial databases

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

GeoInformatica - 1/10/2016

10.1007/s10707-016-0246-1

Cite count: 13 (Web of Science) 14 (Scopus)
  • JCR Quartile: Q2 (2016)
  • SJR Quartile: Q1
  • JCR Impact Factor: 2.392 (2022)
  • Category normalized Impact: 0.678 (2016)
  • CiteScore: 4.4 (2020)
  • SJR: 0.714 (2016
  • SNIP: 2.128 (2016
  • JCR 5-year Impact Factor: 2
  • JCR Categories: GEOGRAPHY, PHYSICAL
  • SJR Categories: Geography, Planning and Development (Q1); Information Systems (Q1)
Open Access

Analysis and design of a web-based decision support system for choosing higher education studies

  • Kostoglou V.
  • Ploskas N.
  • Vassilakopoulos M.
  • Tsantopoulou V.

Yugoslav Journal of Operations Research - 1/1/2014

10.2298/yjor140411025k

Cite count: 4 (Scopus)
  • SJR Quartile: Q3
  • CiteScore: 1.2 (2020)
  • SJR: 0.338 (2014
  • SNIP: 0.91 (2014
  • SJR Categories: Management Science and Operations Research (Q3)

Comparison of post-relational and object-relational modelling for real-world database applications

  • Karanikolas N.
  • Vassilakopoulos M.

Journal of Systems and Information Technology - 1/1/2014

10.1108/jsit-05-2014-0034

Cite count:
  • SJR Quartile: Q2
  • CiteScore: 3.1 (2020)
  • SJR: 0.301 (2014
  • SNIP: 1.255 (2014
  • SJR Categories: Computer Science (miscellaneous) (Q2); Information Systems (Q3)

Higher technological education specialties and graduates' vocational status and prospects

  • Kostoglou V.
  • Vassilakopoulos M.
  • Koilias C.

Education and Training - 21/8/2013

10.1108/et-03-2012-0026

Cite count: 4 (Web of Science) 4 (Scopus)
  • SJR Quartile: Q2
  • CiteScore: 3.8 (2020)
  • SJR: 0.456 (2013
  • SNIP: 1.139 (2013
  • SJR Categories: Business, Management and Accounting (miscellaneous) (Q2); Education (Q2); Life-span and Life-course Studies (Q2)

On past-time indexing of moving objects

  • Raptopoulou K.
  • Vassilakopoulos M.
  • Manolopoulos Y.

Journal of Systems and Software - 1/9/2006

10.1016/j.jss.2005.10.020

Cite count: 4 (Web of Science) 5 (Scopus)
  • SJR Quartile: Q2
  • CiteScore: 8.4 (2020)
  • SJR: 0.463 (2006
  • SNIP: 1.344 (2006
  • SJR Categories: Hardware and Architecture (Q2); Information Systems (Q2); Software (Q2)

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: 5/4/24 7:19 AM
Next scheduled update: 5/11/24 3:00 AM