Efstratios Gallopoulos

75 papers A* 1A 8B 2Journal 33Unranked 25
YearRankTypeTitle / Venue / Authors
2023 J jnl
Hierarchical dynamic workload scheduling on heterogeneous clusters for grid search of inverse problems.
J. Supercomput.
Christos Kyriakopoulos, Efstratios Gallopoulos, Ioannis E. Venetis
2023 A ed.
Proceedings of the 37th International Conference on Supercomputing, ICS 2023, Orlando, FL, USA, June 21-23, 2023
ICS
Kyle A. Gallivan, Efstratios Gallopoulos, Dimitrios S. Nikolopoulos, Ramón Beivide
2022 J jnl
pylspack: Parallel Algorithms and Data Structures for Sketching, Column Subset Selection, Regression, and Leverage Scores.
ACM Trans. Math. Softw.
Aleksandros Sobczyk, Efstratios Gallopoulos
2022 J jnl
pylspack: Parallel algorithms and data structures for sketching, column subset selection, regression and leverage scores.
CoRR
Aleksandros Sobczyk, Efstratios Gallopoulos
2021 J jnl
Estimating Leverage Scores via Rank Revealing Methods and Randomization.
SIAM J. Matrix Anal. Appl.
Aleksandros Sobczyk, Efstratios Gallopoulos
2021 J jnl
Estimating leverage scores via rank revealing methods and randomization.
CoRR
Aleksandros Sobczyk, Efstratios Gallopoulos
2019 J jnl
EigenRec: generalizing PureSVD for effective and efficient top-N recommendations.
Knowl. Inf. Syst.
Athanasios N. Nikolakopoulos, Vassilis Kalantzis, Efstratios Gallopoulos, John D. Garofalakis
2019 — conf
TMG-BoBI: Generating Back-of-the-Book Indexes with the Text-to-Matrix-Generator.
IISA
Theoni Koutropoulou, Efstratios Gallopoulos
2018 J jnl
A scalable iterative dense linear system solver for multiple right-hand sides in data analytics.
Parallel Comput.
Vassilis Kalantzis, A. Cristiano I. Malossi, Costas Bekas, Alessandro Curioni, Efstratios Gallopoulos, Yousef Saad
2018 J jnl
ICALP 2019 - First Call for Papers.
Bull. EATCS
Efstratios Gallopoulos, John D. Garofalakis, Christos Kaklamanis, Sotiris E. Nikoletseas, Christos D. Zaroliagis
2017 — conf
Factored Proximity Models for Top-N Recommendations.
ICBK
Athanasios N. Nikolakopoulos, Vassilis Kalantzis, Efstratios Gallopoulos, John D. Garofalakis
2016 J jnl
Estimating the trace of the matrix inverse by interpolating from the diagonal of an approximate inverse.
J. Comput. Phys.
Lingfei Wu, Jesse Laeuchli, Vassilis Kalantzis, Andreas Stathopoulos, Efstratios Gallopoulos
2015 J jnl
A direct tridiagonal solver based on Givens rotations for GPU architectures.
Parallel Comput.
Ioannis E. Venetis, Alexandros Kouris, Alexandros Sobczyk, Efstratios Gallopoulos, Ahmed H. Sameh
2015 — conf
A general tridiagonal solver for coprocessors: Adapting g-Spike for the Intel Xeon Phi.
PARCO
Ioannis E. Venetis, Alexandros Sobczyk, Alexandros Kouris, Alexandros Nakos, Nikolaos Nikoloutsakos, Efstratios Gallopoulos
2015 J jnl
Estimating the Trace of the Matrix Inverse by Interpolating from the Diagonal of an Approximate Inverse.
CoRR
Lingfei Wu, Andreas Stathopoulos, Jesse Laeuchli, Vassilis Kalantzis, Efstratios Gallopoulos
2014 J jnl
Surfing the Network for Ranking by Multidamping.
IEEE Trans. Knowl. Data Eng.
Giorgios Kollias, Efstratios Gallopoulos, Ananth Grama
2013 J jnl
Accelerating data uncertainty quantification by solving linear systems with multiple right-hand sides.
Numer. Algorithms
Vassilis Kalantzis, Constantine Bekas, Alessandro Curioni, Efstratios Gallopoulos
2013 — conf
Onomatology and content analysis of ergodic literature.
NHT@HT
Eugenia-Maria Kontopoulou, Maria Predari, Efstratios Gallopoulos
2012 — conf
Graph and matrix metrics to analyze ergodic literature for children.
HT
Eugenia-Maria Kontopoulou, Maria Predari, Thymios Kostakis, Efstratios Gallopoulos
2012 — book
High-Performance Scientific Computing - Algorithms and Applications.
Michael W. Berry, Kyle A. Gallivan, Efstratios Gallopoulos, Ananth Grama, Bernard Philippe
2012 — ch.
Parallel Numerical Computing from Illiac IV to Exascale - The Contributions of Ahmed H. Sameh.
High-Performance Scientific Computing
Kyle A. Gallivan, Efstratios Gallopoulos, Ananth Grama, Bernard Philippe, Eric Polizzi, Yousef Saad, Faisal Saied, Danny C. Sorensen
2012 — conf
Topic 10: Parallel Numerical Algorithms.
Euro-Par
Iain S. Duff, Efstratios Gallopoulos, Daniela di Serafino, Bora Uçar
2011 — ch.
Rapid Elliptic Solvers.
Encyclopedia of Parallel Computing
Efstratios Gallopoulos
2009 — conf
A versatile system for asynchronous iterations: From multithreaded simulations to Grid experiments.
PARCO
Giorgios Kollias, Konstantinos Georgiou, Efstratios Gallopoulos
2008 — conf
Jylab Meets Eclipse: Integrating PSEs with Multicomponent Platforms.
eScience
Giorgios Kollias, Konstantinos Georgiou, Efstratios Gallopoulos
2008 J jnl
SVD based initialization: A head start for nonnegative matrix factorization.
Pattern Recognit.
Christos Boutsidis, Efstratios Gallopoulos
2007 — conf
Asynchronous Computation of PageRank computation in an interactive multithreading environment.
Web Information Retrieval and Linear Algebra Algorithms
Giorgios Kollias, Efstratios Gallopoulos
2007 — conf
Grid-Enabling a Problem Solving Environment: Implementation and Everyday Use.
CoreGRID Workshop - Making Grids Work
Konstantinos Georgiou, Giorgios Kollias, Efstratios Gallopoulos
2007 J jnl
Machine Learning and Robust Data Mining.
Comput. Stat. Data Anal.
Christophe Croux, Efstratios Gallopoulos, Stefan Van Aelst, Hongyuan Zha
2007 — conf
Multidamping simulation framework for link-based ranking.
Web Information Retrieval and Linear Algebra Algorithms
Giorgios Kollias, Efstratios Gallopoulos
2006 J jnl
Asynchronous iterative computations with Web information retrieval structures: The PageRank case
CoRR
Giorgios Kollias, Efstratios Gallopoulos, Daniel B. Szyld
2006 J jnl
Exploring term-document matrices from matrix models in text mining
CoRR
Ioannis Antonellis, Efstratios Gallopoulos
2006 B conf
Jylab: A System for Portable Scientific Computing over Distributed Platforms.
e-Science
Giorgios Kollias, Efstratios Gallopoulos
2006 A* conf
Linear and Non-Linear Dimensional Reduction via Class Representatives for Text Classification.
ICDM
Dimitrios Zeimpekis, Efstratios Gallopoulos
2006 — ch.
Oriented
Advances in Web Intelligence and Data Mining
Dimitris K. Tasoulis, Dimitrios Zeimpekis, Efstratios Gallopoulos, Michael N. Vrahatis
2006 J jnl
Parallel Matrix Algorithms and Applications (PMAA'04).
Parallel Comput.
Maurice Clint, Efstratios Gallopoulos, Esmond Ng, Jean Roman
2006 — ch.
TMG: A MATLAB Toolbox for Generating Term-Document Matrices from Text Collections.
Grouping Multidimensional Data
Dimitrios Zeimpekis, Efstratios Gallopoulos
2006 — conf
Topic 10: Parallel Numerical Algorithms.
Euro-Par
Michel Cosnard, Hans-Joachim Bungartz, Efstratios Gallopoulos, Yousef Saad
2005 — conf
Asynchronous Iterative Computations with Web Information Retrieval Structures: The PageRank Case.
PARCO
Giorgios Kollias, Efstratios Gallopoulos, Daniel B. Szyld
2005 A conf
CLSI: A Flexible Approximation Scheme from Clustered Term-Document Matrices.
SDM
Efstratios Gallopoulos, Dimitrios Zeimpekis
2005 J jnl
The design of a distributed MATLAB-based environment for computing pseudospectra.
Future Gener. Comput. Syst.
Constantine Bekas, Effrosini Kokiopoulou, Efstratios Gallopoulos
2003 J jnl
Parallel Matrix Algorithms and Applications (PMAA '02).
Parallel Comput.
Peter Arbenz, Efstratios Gallopoulos, Bernard Philippe, Yousef Saad
2002 — conf
Parallel Computation of Pseudospectra Using Transfer Functions on a MATLAB-MPI Cluster Platform.
PVM/MPI
Constantine Bekas, Effrosini Kokiopoulou, Efstratios Gallopoulos, Valeria Simoncini
2002 J jnl
Parallel computation of pseudospectra by fast descent.
Parallel Comput.
Constantine Bekas, Efstratios Gallopoulos
2001 J jnl
Cobra: Parallel path following for computing the matrix pseudospectrum.
Parallel Comput.
Constantine Bekas, Efstratios Gallopoulos
2001 A ed.
Proceedings of the 15th international conference on Supercomputing, ICS 2001, Sorrento, Napoli, Italy, June 16-21, 2001
ICS
Mario Mango Furnari, Efstratios Gallopoulos
2001 — conf
Topic 19: Problem Solving Environments.
Euro-Par
David W. Walker, Kenneth A. Hawick, Domenico Laforenza, Efstratios Gallopoulos
2001 A conf
Towards the effective parallel computation of matrix pseudospectra.
ICS
Constantine Bekas, Effrosini Kokiopoulou, Ioannis Koutis, Efstratios Gallopoulos
1996 — conf
3-D Land Avoidance and Load Balancing in Regional Ocean Simulation.
ICPP, Vol. 2
Luiz De Rose, Kyle A. Gallivan, Efstratios Gallopoulos
1995 — conf
A Parallel Iterative Method for Exponential Propagation.
PP
Chuck Baldwin, Roland W. Freund, Efstratios Gallopoulos
1995 J jnl
An Iterative Method for Nonsymmetric Systems with Multiple Right-Hand Sides.
SIAM J. Sci. Comput.
Valeria Simoncini, Efstratios Gallopoulos
1995 — conf
FALCON: A MATLAB Interactive Restructuring Compiler.
LCPC
Luiz De Rose, Kyle A. Gallivan, Efstratios Gallopoulos, Bret A. Marsolf, David A. Padua
1995 J jnl
Parallel Computing Using the Prefix Problem (S. Lakshmivarahan and Sudarshan K. Dhall).
SIAM Rev.
Efstratios Gallopoulos
1995 J jnl
Workshop on Problem-Solving Environments: Findings and Recommendations.
ACM Comput. Surv.
Efstratios Gallopoulos, Elias N. Houstis, John R. Rice
1994 J jnl
A Quasi-Minimal Residual Variant of the Bi-CGSTAB Algorithm for Nonsymmetric Systems.
SIAM J. Sci. Comput.
Tony F. Chan, Efstratios Gallopoulos, Valeria Simoncini, Tedd Szeto, Charles H. Tong
1993 — conf
Accuracy Control for Parallel Evaluation of Matrix Rational Functions.
PPSC
Daniela Calvetti, Efstratios Gallopoulos, Lothar Reichel
1992 J jnl
Efficient Solution of Parabolic Equations by Krylov Approximation Methods.
SIAM J. Sci. Comput.
Efstratios Gallopoulos, Yousef Saad
1992 A conf
Experiments with an ocean circulation model on CEDAR.
ICS
Luiz De Rose, Kyle A. Gallivan, Efstratios Gallopoulos
1991 J jnl
Decomposing polynomial interpolation for systolic arrays.
Int. J. Comput. Math.
Çetin Kaya Koç, Peter R. Cappello, Efstratios Gallopoulos
1991 — conf
Parallel Ocean Circulation Modeling on Cedar.
PP
Luiz De Rose, Kyle A. Gallivan, Efstratios Gallopoulos, Antonio Navarra
1990 J jnl
Systolic computation of interpolating polynomials.
Computing
Peter R. Cappello, Efstratios Gallopoulos, Çetin Kaya Koç
1989 J jnl
A parallel block cyclic reduction algorithm for the fast solution of elliptic equations.
Parallel Comput.
Efstratios Gallopoulos, Yousef Saad
1989 — conf
Efficient Parallel Solution of Parabolic Equations: Implicit Methods on the Cedar Multicluster.
PP
Efstratios Gallopoulos, Yousef Saad
1989 — conf
Efficient Parallel Solutions of Parabolic Equations: Explicit Methods.
PP
Yousef Saad, Efstratios Gallopoulos
1989 — conf
Experiments with Elliptic Problem Solvers on the Cedar Multicluster.
PP
G. Frank, Efstratios Gallopoulos, Ulrike Meier
1989 J jnl
Fast computation of divided differences and parallel hermite interpolation.
J. Complex.
Ömer Egecioglu, Efstratios Gallopoulos, Çetin Kaya Koç
1989 A conf
On the parallel solution of parabolic equations.
ICS
Efstratios Gallopoulos, Yousef Saad
1989 J jnl
Parallel Hermite interpolation: An algebraic approach.
Computing
Ömer Egecioglu, Efstratios Gallopoulos, Çetin Kaya Koç
1989 J jnl
Some Fast Elliptic Solvers on Parallel Architectures and their Complexities.
Int. J. High Speed Comput.
Efstratios Gallopoulos, Yousef Saad
1988 A conf
Boundary integral domain decomposition of hierarchical memory multiprocessors.
ICS
Efstratios Gallopoulos, D. Lee
1987 A conf
A Parallel Block Cyclic Reduction Algorithm for the Fast Solution of Elliptic Equations.
ICS
Efstratios Gallopoulos, Yousef Saad
1987 — conf
Fast Laplace Solver by Boundary Integral Based Domain Decomposition Methods.
PP
Efstratios Gallopoulos, D. Lee
1987 — conf
Parallel Rapid Elliptic Solvers.
PP
Efstratios Gallopoulos, Yousef Saad
1985 — —
Processor Arrays for Problems in Computational Physics (Parallel)
Efstratios Gallopoulos
1983 B conf
Numerical Experiments with the Massively parallel Processor.
ICPP
Efstratios Gallopoulos, S. D. McEwan