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Vassilakipoulos, Michael Author

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 (2023)
  • Category normalized Impact: 0.394 (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)

On approximate algorithms for distance-based queries using R-trees

  • Corral A.
  • Vassilakopoulos M.

Computer Journal - 8/4/2005

10.1093/comjnl/bxh060

Cite count: 10 (Web of Science) 13 (Scopus)
  • JCR Quartile: Q3 (2005)
  • SJR Quartile: Q2
  • JCR Impact Factor: 0.691 (2022)
  • Category normalized Impact: 0.547 (2005)
  • CiteScore: 2.6 (2020)
  • SJR: 0.427 (2005
  • SNIP: 1.464 (2005
  • SJR Categories: Computer Science (miscellaneous) (Q2)

Overlapping linear quadtrees and spatio-temporal query processing

  • Tzouramanis T.
  • Vassilakopoulos M.
  • Manolopoulos Y.

Computer Journal - 1/12/2000

10.1093/comjnl/43.4.325

Cite count: 13 (Web of Science) 23 (Scopus)
  • SJR Quartile: Q1
  • CiteScore: 2.6 (2020)
  • SJR: 0.506 (2000
  • SNIP: 0.772 (2000
  • SJR Categories: Computer Science (miscellaneous) (Q1)
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)

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 (2023)
  • Category normalized Impact: 0.138 (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

Cost models for distance joins queries using R-trees

  • Corral A.
  • Manolopoulos Y.
  • Theodoridis Y.
  • Vassilakopoulos M.

Data and Knowledge Engineering - 1/4/2006

10.1016/j.datak.2005.03.004

Cite count: 9 (Web of Science) 10 (Scopus)
  • JCR Quartile: Q2 (2006)
  • SJR Quartile: Q2
  • JCR Impact Factor: 1.367 (2022)
  • Category normalized Impact: 0.381 (2006)
  • CiteScore: 4.7 (2020)
  • SJR: 0.774 (2006
  • SNIP: 2.323 (2006
  • SJR Categories: Information Systems and Management (Q2)

On sampling regional data

  • Vassilakopoulos M.
  • Manolopoulos Y.

Data and Knowledge Engineering - 1/1/1997

10.1016/s0169-023x(96)00047-x

Cite count: 7 (Web of Science) 10 (Scopus)
  • CiteScore: 4.7 (2020)

Benchmarking access methods for time-evolving regional data

  • Tzouramanis T.
  • Vassilakopoulos M.
  • Manolopoulos Y.

Data and Knowledge Engineering - 1/1/2004

10.1016/j.datak.2003.08.008

Cite count: 4 (Web of Science) 6 (Scopus)
  • SJR Quartile: Q2
  • CiteScore: 4.7 (2020)
  • SJR: 0.729 (2004
  • SNIP: 2.136 (2004
  • SJR Categories: Information Systems and Management (Q2)

Algorithms for processing K-closest-pair queries in spatial databases

  • Corral A.
  • Manolopoulos Y.
  • Theodoridis Y.
  • Vassilakopoulos M.

Data and Knowledge Engineering - 1/4/2004

10.1016/j.datak.2003.08.007

Cite count: 56 (Web of Science) 70 (Scopus)
  • JCR Quartile: Q2 (2004)
  • SJR Quartile: Q2
  • JCR Impact Factor: 0.971 (2022)
  • Category normalized Impact: 2.143 (2004)
  • CiteScore: 4.7 (2020)
  • SJR: 0.729 (2004
  • SNIP: 2.136 (2004
  • SJR Categories: Information Systems and Management (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)
Open Access

The K group nearest-neighbor query on non-indexed RAM-resident data

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

Advances in Intelligent Systems and Computing - 1/1/2016

10.1007/978-3-319-29589-3_5

Cite count: 3 (Web of Science) 4 (Scopus)
  • Category normalized Impact: 0.545 (2016)
  • CiteScore: 0.9 (2019)
  • SJR: 0.176 (2016
  • SNIP: 0.373 (2016
  • SJR Categories: Computer Science (miscellaneous); Control and Systems Engineering

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:
  • Category normalized Impact: 0.838 (2022)
  • CiteScore: 0.9 (2021)
  • SJR: 0.209 (2021
  • SNIP: 0.286 (2021

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)

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
Open Access

A new plane-sweep algorithm for the k-closest-pairs query

  • 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) - 1/1/2014

10.1007/978-3-319-04298-5_42

Cite count: 8 (Web of Science) 10 (Scopus)
  • Category normalized Impact: 1.088 (2014)
  • CiteScore: 1.8 (2020)
  • SJR: 0.354 (2014
  • SNIP: 0.753 (2014
Open Access

Performance comparison of xBR-trees and R*-trees for single dataset spatial queries

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

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 27/9/2011

10.1007/978-3-642-23737-9_17

Cite count: 7 (Web of Science) 13 (Scopus)
  • Category normalized Impact: 1.251 (2011)
  • CiteScore: 1.8 (2020)
  • SJR: 0.338 (2011
  • SNIP: 0.773 (2011
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
Open Access

Multiversion linear quadtree for spatio-temporal data

  • Tzouramanis T.
  • Vassilakopoulos M.
  • Manolopoulos Y.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 1/1/2000

10.1007/3-540-44472-6_22

Cite count: 11 (Scopus)
  • CiteScore: 1.8 (2020)
  • SJR: 0.309 (2000
  • SNIP: 0.732 (2000

Efficient processing of past-future spatiotemporal queries

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

Proceedings of the ACM Symposium on Applied Computing - 21/11/2006

10.1145/1141277.1141293

Cite count: 4 (Scopus)
  • SJR Categories: Software

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: 0.296 (2019)
  • SJR Categories: Electronic, Optical and Magnetic Materials; Mechanics of Materials

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

Evaluating students' programming skill behaviour and personalizing their computer learning environment using "the Hour of Code" paradigm

  • Mallios N.
  • Vassilakopoulos M.

Proceedings of the International Conference on e-Learning 2015, E-LEARNING 2015 - Part of the Multi Conference on Computer Science and Information Systems 2015 - 1/1/2015

Cite count: 2 (Web of Science) 1 (Scopus)
  • SJR Categories: Geochemistry and Petrology; Geotechnical Engineering and Engineering Geology; Industrial and Manufacturing Engineering; Mechanical Engineering

A hybrid classification algorithm evaluated on medical data

  • Michelakos, Ioannis
  • Papageorgiou, Elpiniki
  • Vasilakopoulos, Michael
  • Reddy, S

Proceedings of the Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises, WETICE - 27/8/2010

10.1109/wetice.2010.22

Cite count: 5 (Web of Science) 10 (Scopus)
  • CiteScore: 0.1 (2020)
  • SJR: 0.177 (2010
  • SNIP: 0.476 (2010

A study of cAnt-Miner2 parameters using medical data sets

  • Michelakos, Ioannis
  • Papageorgiou, Elpiniki I.
  • Vasilakopoulos, Michael
  • Reddy, S

Proceedings of the Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises, WETICE - 27/8/2010

10.1109/wetice.2010.52

Cite count: 2 (Web of Science) 2 (Scopus)
  • CiteScore: 0.1 (2020)
  • SJR: 0.177 (2010
  • SNIP: 0.476 (2010

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

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: 13

Last data update: 7/20/24 6:49 AM
Next scheduled update: 7/27/24 3:00 AM