Michael Vassilakopoulos

Publication Activity (10 Years)

Years Active: 1993-2024
Publications (10 Years): 43

Top Topics

Query Processing

Top Venues

Panhellenic Conference on Informatics

Publications

Vaios Stergiopoulos, Michael Vassilakopoulos, Eleni Tousidou, Antonio Corral
An academic recommender system on large citation data based on clustering, graph modeling and deep learning. Knowl. Inf. Syst. 66 (8) (2024)
Nikitas Karanikolas, Eirini Manga, Nikoletta E. Samaridi, Eleni Tousidou, Michael Vassilakopoulos
Large Language Models versus Natural Language Understanding and Generation. PCI (2023)
Polychronis Velentzas, Michael Vassilakopoulos, Antonio Corral, Christos Antonopoulos
GPU-Based Algorithms for Processing the k Nearest-Neighbor Query on Spatial Data Using Partitioning and Concurrent Kernel Execution. Int. J. Parallel Program. 51 (6) (2023)
Vaios Stergiopoulos, Eleni Tousidou, Michael Vassilakopoulos, Antonio Corral
Academic Recommender Systems, Status, Challenges and Opportunities. IISA (2023)
Francisco García-García, Antonio Corral, Luis Iribarne, Michael Vassilakopoulos
Efficient distributed algorithms for distance join queries in spark-based spatial analytics systems. Int. J. Gen. Syst. 52 (3) (2023)
Vaios Stergiopoulos, Michael Vassilakopoulos, Eleni Tousidou, Antonio Corral
Hyper-parameters Tuning of Artificial Neural Networks: An Application in the Field of Recommender Systems. ADBIS (Short Papers) (2022)
Anderson Chaves Carniel, George Roumelis, Ricardo Rodrigues Ciferri, Michael Vassilakopoulos, Antonio Corral, Cristina Dutra de Aguiar Ciferri
Porting disk-based spatial index structures to flash-based solid state drives. GeoInformatica 26 (1) (2022)
Polychronis Velentzas, Antonio Corral, Michael Vassilakopoulos
Big Spatial and Spatio-Temporal Data Analytics Systems. Trans. Large Scale Data Knowl. Centered Syst. 47 (2021)
Panagiotis Moutafis, Francisco García-García, George Mavrommatis, Michael Vassilakopoulos, Antonio Corral, Luis Iribarne
Algorithms for processing the group K nearest-neighbor query on distributed frameworks. Distributed Parallel Databases 39 (3) (2021)
Panagiotis Moutafis, George Mavrommatis, Michael Vassilakopoulos, Antonio Corral
Efficient Group K Nearest-Neighbor Spatial Query Processing in Apache Spark. ISPRS Int. J. Geo Inf. 10 (11) (2021)
Francisco García-García, Antonio Corral, Luis Iribarne, Michael Vassilakopoulos
Enhancing Sedona (formerly GeoSpark) with Efficient k Nearest Neighbor Join Processing. MEDI (2021)
Polychronis Velentzas, Michael Vassilakopoulos, Antonio Corral
nearest-neighbor query on SSD-resident data. Internet Things 15 (2021)
Polychronis Velentzas, Michael Vassilakopoulos, Antonio Corral
GPU-Based Algorithms for Processing the k Nearest-Neighbor Query on Disk-Resident Data. MEDI (2021)
Polychronis Velentzas, Michael Vassilakopoulos, Antonio Corral
A Partitioning GPU-based Algorithm for Processing the k Nearest-Neighbor Query. MEDES (2020)
George Roumelis, Polychronis Velentzas, Michael Vassilakopoulos, Antonio Corral, Athanasios Fevgas, Yannis Manolopoulos
-trees in solid-state drives. Clust. Comput. 23 (3) (2020)
Francisco García-García, Antonio Corral, Luis Iribarne, Michael Vassilakopoulos, Yannis Manolopoulos
Efficient distance join query processing in distributed spatial data management systems. Inf. Sci. 512 (2020)
Polychronis Velentzas, Michael Vassilakopoulos, Antonio Corral
In-memory k Nearest Neighbor GPU-based Query Processing. GISTAM (2020)
Francisco García-García, Antonio Corral, Luis Iribarne, Michael Vassilakopoulos
Improving Distance-Join Query processing with Voronoi-Diagram based partitioning in SpatialHadoop. Future Gener. Comput. Syst. 111 (2020)
Francisco García-García, Antonio Corral, Luis Iribarne, Michael Vassilakopoulos
MRSLICE: Efficient RkNN Query Processing in SpatialHadoop. MEDI (2019)
George Roumelis, Athanasios Fevgas, Michael Vassilakopoulos, Antonio Corral, Panayiotis Bozanis, Yannis Manolopoulos
-trees in Solid State Drives. Computing 101 (10) (2019)
Panagiotis Moutafis, George Mavrommatis, Michael Vassilakopoulos, Spyros Sioutas
Efficient processing of all-k-nearest-neighbor queries in the MapReduce programming framework. Data Knowl. Eng. 121 (2019)
Panagiotis Moutafis, Francisco García-García, George Mavrommatis, Michael Vassilakopoulos, Antonio Corral, Luis Iribarne
MapReduce algorithms for the K group nearest-neighbor query. SAC (2019)
Anderson Chaves Carniel, George Roumelis, Ricardo Rodrigues Ciferri, Michael Vassilakopoulos, Antonio Corral, Cristina Dutra de Aguiar Ciferri
Indexing Points on Flash-based Solid State Drives using the xBR+-tree. J. Inf. Data Manag. 10 (1) (2019)
Francisco García-García, Antonio Corral, Luis Iribarne, Michael Vassilakopoulos, Yannis Manolopoulos
Efficient large-scale distance-based join queries in spatialhadoop. GeoInformatica 22 (2) (2018)
George Roumelis, Michael Vassilakopoulos, Antonio Corral, Athanasios Fevgas, Yannis Manolopoulos
Spatial Batch-Queries Processing Using xBR ^+ -trees in Solid-State Drives. MEDI (2018)
Anderson Chaves Carniel, George Roumelis, Ricardo Rodrigues Ciferri, Michael Vassilakopoulos, Antonio Corral, Cristina Dutra de Aguiar Ciferri
An Efficient Flash-aware Spatial Index for Points. GEOINFO (2018)
Francisco García-García, Antonio Corral, Luis Iribarne, Michael Vassilakopoulos
Voronoi-Diagram Based Partitioning for Distance Join Query Processing in SpatialHadoop. MEDI (2018)
George Roumelis, Michael Vassilakopoulos, Antonio Corral, Yannis Manolopoulos
-trees. Comput. Stand. Interfaces 57 (2018)
George Roumelis, Michael Vassilakopoulos, Antonio Corral, Yannis Manolopoulos
Bulk Insertions into xBR ^+ -trees. MEDI (2017)
George Roumelis, Michael Vassilakopoulos, Antonio Corral, Yannis Manolopoulos
Efficient query processing on large spatial databases: A performance study. J. Syst. Softw. 132 (2017)
Nikolaos Athanasiou, Michael Vassilakopoulos, Antonio Corral, Yannis Manolopoulos
Use-based Optimization of Spatial Access Methods. MEDES (2017)
Francisco García-García, Antonio Corral, Luis Iribarne, George Mavrommatis, Michael Vassilakopoulos
A Comparison of Distributed Spatial Data Management Systems for Processing Distance Join Queries. ADBIS (2017)
Francisco García-García, Antonio Corral, Luis Iribarne, Michael Vassilakopoulos
RkNN Query Processing in Distributed Spatial Infrastructures: A Performance Study. MEDI (2017)
George Mavrommatis, Panagiotis Moutafis, Michael Vassilakopoulos, Francisco García-García, Antonio Corral
SliceNBound: Solving Closest Pairs and Distance Join Queries in Apache Spark. ADBIS (2017)
George Roumelis, Antonio Corral, Michael Vassilakopoulos, Yannis Manolopoulos
New plane-sweep algorithms for distance-based join queries in spatial databases. GeoInformatica 20 (4) (2016)
Nikolaos Mallios, Michael Vassilakopoulos
LearneA - Design and Functionalities of a Hybrid Personalized Learning Electronic Assistant. ICEIS (2) (2016)
Francisco García-García, Antonio Corral, Luis Iribarne, Michael Vassilakopoulos, Yannis Manolopoulos
Enhancing SpatialHadoop with Closest Pair Queries. ADBIS (2016)
George Roumelis, Michael Vassilakopoulos, Antonio Corral, Yannis Manolopoulos
Bulk-Loading xBR ^+ -trees. MEDI (2016)
Panos Papadopoulos, Thanasis Loukopoulos, Ioannis Anagnostopoulos, Nikolaos Tziritas, Michael Vassilakopoulos
RAC: a remote application calling framework for coordination of mobile apps. Panhellenic Conference on Informatics (2015)
Nikolaos Ch. Kasmeridis, Michael Vassilakopoulos
A diet-guide mobile application for diabetes mellitus management. Panhellenic Conference on Informatics (2015)
George Roumelis, Michael Vassilakopoulos, Thanasis Loukopoulos, Antonio Corral, Yannis Manolopoulos
The xBR ^+ -tree: An Efficient Access Method for Points. DEXA (1) (2015)
George Roumelis, Michael Vassilakopoulos, Antonio Corral, Yannis Manolopoulos
Plane-Sweep Algorithms for the K Group Nearest-Neighbor Query. GISTAM (2015)
George Roumelis, Michael Vassilakopoulos, Antonio Corral, Yannis Manolopoulos
The K Group Nearest-Neighbor Query on Non-indexed RAM-Resident Data. GISTAM (Selected Papers) (2015)
Nikitas N. Karanikolas, Michael Vassilakopoulos
Comparison of Post-Relational and Object-Relational modelling for real-world database applications. J. Syst. Inf. Technol. 16 (4) (2014)
George Roumelis, Thanasis Loukopoulos, Michael Vassilakopoulos
Database Design of a Geo-environmental Information System . ICEIS (2) (2014)
George Roumelis, Michael Vassilakopoulos, Antonio Corral, Yannis Manolopoulos
A New Plane-Sweep Algorithm for the K-Closest-Pairs Query. SOFSEM (2014)
Nikitas Karanikolas, Michael Vassilakopoulos, Nektarios Giannoulis
A software tool for building a statistical prefix processor. BCI (2012)
George Roumelis, Michael Vassilakopoulos, Antonio Corral
The Deletion Operation in xBR-Trees. Panhellenic Conference on Informatics (2012)
Nikitas N. Karanikolas, Michael Vassilakopoulos
Assessment of language skills weaknesses and their confrontation through personalized e-lessons. CompSysTech (2011)
George Roumelis, Michael Vassilakopoulos, Antonio Corral
Performance Comparison of xBR-trees and R*-trees for Single Dataset Spatial Queries. ADBIS (2011)
Michael Vassilakopoulos, Antonio Corral, Nikitas N. Karanikolas
Join-Queries between Two Spatial Datasets Indexed by a Single R*-Tree. SOFSEM (2011)
George Roumelis, Michael Vassilakopoulos, Antonio Corral
Nearest Neighbor Algorithms Using xBR-Trees. Panhellenic Conference on Informatics (2011)
Ioannis Michelakos, Nikolaos Mallios, Elpiniki I. Papageorgiou, Michael Vassilakopoulos
Ant Colony Optimization and Data Mining: Techniques and Trends. 3PGCIC (2010)
Ioannis Michelakos, Elpiniki I. Papageorgiou, Michael Vassilakopoulos
A Hybrid Classification Algorithm Evaluated on Medical Data. WETICE (2010)
Ioannis Michelakos, Elpiniki I. Papageorgiou, Michael Vassilakopoulos
A Study of cAnt-Miner2 Parameters Using Medical Data Sets. WETICE (2010)
Nikitas N. Karanikolas, Michael Vassilakopoulos
Conceptual Universal Database Language: Moving Up the Database Design Levels. ADBIS (2009)
Antonio Corral, Manuel Torres, Michael Vassilakopoulos, Yannis Manolopoulos
Predictive Join Processing between Regions and Moving Objects. ADBIS (2008)
Katerina Raptopoulou, Michael Vassilakopoulos, Yannis Manolopoulos
Efficient processing of past-future spatiotemporal queries. SAC (2006)
Antonio Corral, Yannis Manolopoulos, Yannis Theodoridis, Michael Vassilakopoulos
Cost models for distance joins queries using R-trees. Data Knowl. Eng. 57 (1) (2006)
Katerina Raptopoulou, Michael Vassilakopoulos, Yannis Manolopoulos
On past-time indexing of moving objects. J. Syst. Softw. 79 (8) (2006)
Athanasios D. Styliadis, Michael Vassilakopoulos
A spatio-temporal geometry-based model for digital documentation of historical living systems. Inf. Manag. 42 (2) (2005)
Antonio Corral, Alejandro D'Ermiliis, Yannis Manolopoulos, Michael Vassilakopoulos
VA-Files vs. R*-Trees in Distance Join Queries. ADBIS (2005)
Antonio Corral, Michael Vassilakopoulos
On Approximate Algorithms for Distance-Based Queries using R-trees. Comput. J. 48 (2) (2005)
Theodoros Tzouramanis, Michael Vassilakopoulos, Yannis Manolopoulos
Benchmarking access methods for time-evolving regional data. Data Knowl. Eng. 49 (3) (2004)
Katerina Raptopoulou, Michael Vassilakopoulos, Yannis Manolopoulos
Towards Quadtree-Based Moving Objects Databases. ADBIS (2004)
Antonio Corral, Yannis Manolopoulos, Yannis Theodoridis, Michael Vassilakopoulos
Multi-Way Distance Join Queries in Spatial Databases. GeoInformatica 8 (4) (2004)
Antonio Corral, Yannis Manolopoulos, Yannis Theodoridis, Michael Vassilakopoulos
Algorithms for processing K-closest-pair queries in spatial databases. Data Knowl. Eng. 49 (1) (2004)
Alexandros Nanopoulos, Michael Vassilakopoulos, Yannis Manolopoulos
Performance Evaluation of Lazy Deletion Methods in R-trees. GeoInformatica 7 (4) (2003)
Theodoros Tzouramanis, Michael Vassilakopoulos, Yannis Manolopoulos
Generating Dynamic Raster Data. IEEE Data Eng. Bull. 26 (2) (2003)
Antonio Corral, Yannis Manolopoulos, Yannis Theodoridis, Michael Vassilakopoulos
Distance Join Queries of Multiple Inputs in Spatial Databases. ADBIS (2003)
Adriano Di Pasquale, Luca Forlizzi, Christian S. Jensen, Yannis Manolopoulos, Enrico Nardelli, Dieter Pfoser, Guido Proietti, Simonas Saltenis, Yannis Theodoridis, Theodoros Tzouramanis, Michael Vassilakopoulos
Access Methods and Query Processing Techniques. Spatio-Temporal Databases: The CHOROCHRONOS Approach (2003)
Apostolos Vontas, Philippos Koutsakas, Christina Athanasopoulou, Adamantios Koumpis, Panos Hatzaras, Yannis Manolopoulos, Michael Vassilakopoulos
Integrating Mobile Agent Infrastructures in Operational ERP Systems. ICEIS (2002)
Antonio Corral, Joaquín Cañadas, Michael Vassilakopoulos
Approximate Algorithms for Distance-Based Queries in High-Dimensional Data Spaces Using R-Trees. ADBIS (2002)
Theodoros Tzouramanis, Michael Vassilakopoulos, Yannis Manolopoulos
On the Generation of Time-Evolving Regional Data. GeoInformatica 6 (3) (2002)
Antonio Corral, Michael Vassilakopoulos, Yannis Manolopoulos
The Impact of Buffering on Closest Pairs Queries Using R-Trees. ADBIS (2001)
Antonio Corral, Joaquín Cañadas, Michael Vassilakopoulos
Processing Distance-Based Queries in Multidimensional Data Spaces Using R-trees. Panhellenic Conference on Informatics (2001)
Theodoros Tzouramanis, Michael Vassilakopoulos, Yannis Manolopoulos
Time split linear quadtree for indexing image databases. ICIP (2) (2001)
Antonio Corral, Yannis Manolopoulos, Yannis Theodoridis, Michael Vassilakopoulos
Closest Pair Queries in Spatial Databases. SIGMOD Conference (2000)
Theodoros Tzouramanis, Michael Vassilakopoulos, Yannis Manolopoulos
Overlapping Linear Quadtrees and Spatio-Temporal Query Processing. Comput. J. 43 (4) (2000)
Theodoros Tzouramanis, Michael Vassilakopoulos, Yannis Manolopoulos
Multiversion Linear Quadtree for Spatio-Temporal Data. ADBIS-DASFAA (2000)
Eleni Tousidou, Michael Vassilakopoulos, Yannis Manolopoulos
Performance Evaluation of Parallel S-Trees. J. Database Manag. 11 (3) (2000)
Antonio Corral, Michael Vassilakopoulos, Yannis Manolopoulos
Algorithms for Joining R-Trees and Linear Region Quadtrees. SSD (1999)
Antonio Corral, Michael Vassilakopoulos
Esquemas de Indexación Espacio-Temporales para Datos Microclimáticos. JISBD (1999)
Theodoros Tzouramanis, Michael Vassilakopoulos, Yannis Manolopoulos
Processing of Spatio-Temporal Queries in Image Databases. ADBIS (1999)
Theodoros Tzouramanis, Michael Vassilakopoulos, Yannis Manolopoulos
Overlapping Linear Quadtrees: A Spatio-Temporal Access Method. ACM-GIS (1998)
Michael Vassilakopoulos, Yannis Manolopoulos
On Sampling Regional Data. Data Knowl. Eng. 22 (3) (1997)
Yannis Manolopoulos, Enrico Nardelli, Guido Proietti, Michael Vassilakopoulos
On the creation of quadtrees by using a branching process. Image Vis. Comput. 14 (2) (1996)
Michael Vassilakopoulos, Yannis Manolopoulos, Brigitte Kröll
Efficiency Analysis of Overlapped Quadtrees. Nord. J. Comput. 2 (1) (1995)
Yannis Manolopoulos, Enrico Nardelli, Guido Proietti, Michael Vassilakopoulos
On the Generation of Aggregated Random Spatial Regions. CIKM (1995)
Michael Vassilakopoulos, Yannis Manolopoulos
Dynamic Inverted Quadtree: A Structure for Pictorial Databases. Inf. Syst. 20 (6) (1995)
Michael Vassilakopoulos, Yannis Manolopoulos
A random model for analyzing region quadtrees. Pattern Recognit. Lett. 16 (11) (1995)
Michael Vassilakopoulos, Yannis Manolopoulos
Analytical Comparison of Two Spatial Data Structures. Inf. Syst. 19 (7) (1994)
Michael Vassilakopoulos, Yannis Manolopoulos
Analytical Results on the Quadtree Storage-Requirements. CAIP (1993)
Michael Vassilakopoulos, Yannis Manolopoulos, K. Economou
Overlapping quadtrees for the representation of similar images. Image Vis. Comput. 11 (5) (1993)