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Vassilakipoulos, Michael Author

Open Access

An academic recommender system on large citation data based on clustering, graph modeling and deep learning

  • Stergiopoulos V.
  • Vassilakopoulos M.
  • Tousidou E.
  • Corral A.

KNOWLEDGE AND INFORMATION SYSTEMS - 1/8/2024

10.1007/s10115-024-02094-7

Cite count:
  • CiteScore: 5.7 (2023)
  • SJR: 0.86 (2023
  • SNIP: 1.21 (2023
Open Access

Preface to the Proceedings of the 8th Smart Data Smart Cities (SDSC) conference ISPRS Annals

  • Pantazis D.N.
  • Karanikolas N.N.
  • Vassilakopoulos M.
  • Coors V.
  • Voyiatzis I.
  • Ellul C.

ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences - 31/5/2024

10.5194/isprs-annals-x-4-w4-2024-1-2024

Cite count:
  • CiteScore: 2 (2023)
  • SJR: 0.317 (2023
  • SNIP: 0.368 (2023

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 - 3/4/2023

10.1080/03081079.2023.2173750

Cite count: 2 (Web of Science) 4 (Scopus)
  • JCR Quartile: Q2 (2023)
  • JCR Impact Factor: 2.4 (2023)
  • Category normalized Impact: 0.836 (2023)
  • CiteScore: 4.4 (2022)
  • SJR: 0.561 (2022
  • SNIP: 1.234 (2022
  • JCR 5-year Impact Factor: 2.1
  • JCR Categories: COMPUTER SCIENCE, THEORY & METHODS

GPU-Based Algorithms for Processing the <i>k</i> 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 - 1/12/2023

10.1007/s10766-023-00755-8

Cite count:
  • JCR Impact Factor: 0.9 (2023)
  • CiteScore: 4 (2022)
  • SJR: 0.399 (2022
  • SNIP: 0.752 (2022
  • JCR 5-year Impact Factor: 0.9
  • JCR Categories: COMPUTER SCIENCE, THEORY & METHODS

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 - 1/1/2022

10.1007/s10707-021-00455-w

Cite count: 4 (Web of Science)
  • JCR Quartile: Q2 (2022)
  • JCR Impact Factor: 2.773 (2023)
  • Category normalized Impact: 0.393 (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 <i>k</i> 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 (2023)
  • Category normalized Impact: 0.367 (2021)
  • JCR 5-year Impact Factor: 5.962
  • JCR Categories: TELECOMMUNICATIONS

Algorithms for processing the group <i>K</i> nearest-neighbor query on distributed frameworks

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

DISTRIBUTED AND PARALLEL DATABASES - 1/9/2021

10.1007/s10619-020-07317-8

Cite count: 3 (Web of Science) 6 (Scopus)
  • JCR Quartile: Q3 (2021)
  • JCR Impact Factor: 1.5 (2023)
  • Category normalized Impact: 0.196 (2021)
  • CiteScore: 2.7 (2022)
  • SJR: 0.357 (2021
  • SNIP: 0.664 (2021
  • JCR 5-year Impact Factor: 1.495
  • JCR Categories: COMPUTER SCIENCE, INFORMATION SYSTEMS
Open Access

Efficient Group <i>K</i> 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 (2023)
  • Category normalized Impact: 0.269 (2021)
  • CiteScore: 4.6 (2020)
  • SJR: 0.684 (2020
  • SNIP: 1.333 (2020
  • JCR 5-year Impact Factor: 3.165
  • JCR Categories: GEOGRAPHY, PHYSICAL

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-THE JOURNAL OF NETWORKS SOFTWARE TOOLS AND APPLICATIONS - 1/9/2020

10.1007/s10586-019-03013-0

Cite count: 6 (Web of Science) 1 (Scopus)
  • JCR Quartile: Q2 (2020)
  • SJR Quartile: Q2
  • JCR Impact Factor: 3.458 (2023)
  • Category normalized Impact: 0.37 (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)
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 - 1/2/2020

10.1016/j.ins.2019.10.030

Cite count: 14 (Web of Science) 20 (Scopus)
  • JCR Quartile: Q1 (2020)
  • SJR Quartile: Q1
  • JCR Impact Factor: 6.795 (2023)
  • Category normalized Impact: 0.682 (2020)
  • CiteScore: 13.4 (2022)
  • SJR: 1.524 (2020
  • SNIP: 2.495 (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

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

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

  • Roumelis, George
  • Vassilakopoulos, Michael
  • Corral Liria, Antonio Leopoldo
  • Manolopoulos, Yannis

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

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

Open Access

The xbr<sup>+</sup>-tree: An efficient access method for points

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

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 1/1/2015

10.1007/978-3-319-22849-5_4

Cite count: 10 (Scopus)
  • CiteScore: 1.8 (2020)
  • SJR: 0.369 (2015
  • SNIP: 0.708 (2015

Ant colony optimization and data mining

  • Michelakos I.
  • Mallios N.
  • Papageorgiou E.
  • Vassilakopoulos M.

Studies in Computational Intelligence - 4/8/2011

10.1007/978-3-642-20344-2_2

Cite count: 9 (Scopus)
  • SJR Quartile: Q4
  • CiteScore: 1.5 (2020)
  • SJR: 0.183 (2011
  • SNIP: 0.386 (2011
  • SJR Categories: Artificial Intelligence (Q4)

Image database indexing techniques

  • Vassilakopoulos M.
  • Corral A.
  • Rachev B.
  • Valova I.
  • Stoeva M.

Handbook of Research on Geoinformatics - 1/12/2009

10.4018/978-1-59140-995-3.ch003

Cite count: 3 (Scopus)
Open Access

Conceptual universal database language: Moving up the database design levels

  • Karanikolas N.
  • Vassilakopoulos M.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 6/11/2009

10.1007/978-3-642-03973-7_24

Cite count: 1 (Scopus)
  • CiteScore: 1.8 (2020)
  • SJR: 0.302 (2009
  • SNIP: 0.586 (2009

Query processing in spatial databases

  • Corral A.
  • Vassilakopoulos M.

Encyclopedia of Database Technologies and Applications - 1/12/2005

10.4018/978-1-59140-560-3.ch085

Cite count:

Spatio-temporal indexing techniques

  • Vassilakopoulos M.
  • Corral A.

Encyclopedia of Database Technologies and Applications - 1/12/2005

10.4018/978-1-59140-560-3.ch107

Cite count: 1 (Scopus)
Open Access

Approximate algorithms for distance-based queries in high-dimensional data spaces using R-trees

  • Corral A.
  • Canadas J.
  • Vassilakopoulos M.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 1/12/2002

10.1007/3-540-45710-0_14

Cite count: 13 (Scopus)
  • CiteScore: 1.8 (2020)
  • SJR: 0.374 (2002
  • SNIP: 0.804 (2002
Open Access

Detecting Hull Fouling using Machine Learning Algorithms trained on Ship Propulsion Data to Improve Resource Management and Increase Environmental Benefits

  • Petridis C.
  • Vassilakopoulos M.

ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences - 31/5/2024

10.5194/isprs-annals-x-4-w4-2024-185-2024

Cite count:
  • CiteScore: 2 (2023)
  • SJR: 0.317 (2023
  • SNIP: 0.368 (2023

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

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

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

NEW TRENDS IN DATABASE AND INFORMATION SYSTEMS, ADBIS 2022 - 1/1/2022

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

Cite count: 1 (Web of Science)
  • Category normalized Impact: 0.535 (2022)
  • CiteScore: 0.9 (2021)
  • SJR: 0.209 (2021
  • SNIP: 0.286 (2021
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: 2.2 (2022)
  • SJR: 0.407 (2021
  • SNIP: 0.546 (2021

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 <i>k</i> Nearest Neighbor GPU-based Query Processing

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

PROCEEDINGS OF THE 6TH INTERNATIONAL CONFERENCE ON GEOGRAPHICAL INFORMATION SYSTEMS THEORY, APPLICATIONS AND MANAGEMENT (GISTAM) - 1/1/2020

10.5220/0009781903100317

Cite count: 2 (Web of Science) 4 (Scopus)
  • Category normalized Impact: 1.035 (2020)

MapReduce Algorithms for the K Group Nearest-Neighbor Query

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

SAC '19: PROCEEDINGS OF THE 34TH ACM/SIGAPP SYMPOSIUM ON APPLIED COMPUTING - 1/1/2019

10.1145/3297280.3299733

Cite count: 2 (Web of Science) 3 (Scopus)
  • Category normalized Impact: 0.286 (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.

MODEL AND DATA ENGINEERING, MEDI 2019 - 1/1/2019

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

Cite count: 4 (Web of Science) 4 (Scopus)
  • Category normalized Impact: 0.518 (2019)
  • CiteScore: 2.2 (2022)
  • SJR: 0.427 (2019
  • SNIP: 0.727 (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
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.

MODEL AND DATA ENGINEERING, MEDI 2018 - 1/1/2018

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

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

This author has no patents.

This author has no reports or other types of publications.

Scopus: 13

Web of Science: 11

Scopus: 26

Web of Science: 14

Last data update: 12/21/24 7:48 AM
Next scheduled update: 12/28/24 3:00 AM