Efstratios Gallopoulos

Publication Activity (10 Years)

Years Active: 1983-2023
Publications (10 Years): 11

Top Topics

Discussion Groups

Subset Selection

Algorithms And Data Structures

Top Venues

Parallel Comput.

SIAM J. Matrix Anal. Appl.

Publications

Christos Kyriakopoulos, Efstratios Gallopoulos, Ioannis E. Venetis
Hierarchical dynamic workload scheduling on heterogeneous clusters for grid search of inverse problems. J. Supercomput. 79 (15) (2023)
Aleksandros Sobczyk, Efstratios Gallopoulos
pylspack: Parallel algorithms and data structures for sketching, column subset selection, regression and leverage scores. CoRR (2022)
Aleksandros Sobczyk, Efstratios Gallopoulos
pylspack: Parallel Algorithms and Data Structures for Sketching, Column Subset Selection, Regression, and Leverage Scores. ACM Trans. Math. Softw. 48 (4) (2022)
Aleksandros Sobczyk, Efstratios Gallopoulos
Estimating Leverage Scores via Rank Revealing Methods and Randomization. SIAM J. Matrix Anal. Appl. 42 (3) (2021)
Aleksandros Sobczyk, Efstratios Gallopoulos
Estimating leverage scores via rank revealing methods and randomization. CoRR (2021)
Athanasios N. Nikolakopoulos, Vassilis Kalantzis, Efstratios Gallopoulos, John D. Garofalakis
EigenRec: generalizing PureSVD for effective and efficient top-N recommendations. Knowl. Inf. Syst. 58 (1) (2019)
Theoni Koutropoulou, Efstratios Gallopoulos
TMG-BoBI: Generating Back-of-the-Book Indexes with the Text-to-Matrix-Generator. IISA (2019)
Efstratios Gallopoulos, John D. Garofalakis, Christos Kaklamanis, Sotiris E. Nikoletseas, Christos D. Zaroliagis
ICALP 2019 - First Call for Papers. Bull. EATCS 126 (2018)
Vassilis Kalantzis, A. Cristiano I. Malossi, Costas Bekas, Alessandro Curioni, Efstratios Gallopoulos, Yousef Saad
A scalable iterative dense linear system solver for multiple right-hand sides in data analytics. Parallel Comput. 74 (2018)
Athanasios N. Nikolakopoulos, Vassilis Kalantzis, Efstratios Gallopoulos, John D. Garofalakis
Factored Proximity Models for Top-N Recommendations. ICBK (2017)
Lingfei Wu, Jesse Laeuchli, Vassilis Kalantzis, Andreas Stathopoulos, Efstratios Gallopoulos
Estimating the trace of the matrix inverse by interpolating from the diagonal of an approximate inverse. J. Comput. Phys. 326 (2016)
Ioannis E. Venetis, Alexandros Kouris, Alexandros Sobczyk, Efstratios Gallopoulos, Ahmed H. Sameh
A direct tridiagonal solver based on Givens rotations for GPU architectures. Parallel Comput. 49 (2015)
Ioannis E. Venetis, Alexandros Sobczyk, Alexandros Kouris, Alexandros Nakos, Nikolaos Nikoloutsakos, Efstratios Gallopoulos
A general tridiagonal solver for coprocessors: Adapting g-Spike for the Intel Xeon Phi. PARCO (2015)
Lingfei Wu, Andreas Stathopoulos, Jesse Laeuchli, Vassilis Kalantzis, Efstratios Gallopoulos
Estimating the Trace of the Matrix Inverse by Interpolating from the Diagonal of an Approximate Inverse. CoRR (2015)
Giorgios Kollias, Efstratios Gallopoulos, Ananth Grama
Surfing the Network for Ranking by Multidamping. IEEE Trans. Knowl. Data Eng. 26 (9) (2014)
Eugenia-Maria Kontopoulou, Maria Predari, Efstratios Gallopoulos
Onomatology and content analysis of ergodic literature. NHT@HT (2013)
Vassilis Kalantzis, Constantine Bekas, Alessandro Curioni, Efstratios Gallopoulos
Accelerating data uncertainty quantification by solving linear systems with multiple right-hand sides. Numer. Algorithms 62 (4) (2013)
Iain S. Duff, Efstratios Gallopoulos, Daniela di Serafino, Bora Uçar
Topic 10: Parallel Numerical Algorithms. Euro-Par (2012)
Eugenia-Maria Kontopoulou, Maria Predari, Thymios Kostakis, Efstratios Gallopoulos
Graph and matrix metrics to analyze ergodic literature for children. HT (2012)
Giorgios Kollias, Konstantinos Georgiou, Efstratios Gallopoulos
A versatile system for asynchronous iterations: From multithreaded simulations to Grid experiments. PARCO (2009)
Christos Boutsidis, Efstratios Gallopoulos
SVD based initialization: A head start for nonnegative matrix factorization. Pattern Recognit. 41 (4) (2008)
Giorgios Kollias, Konstantinos Georgiou, Efstratios Gallopoulos
Jylab Meets Eclipse: Integrating PSEs with Multicomponent Platforms. eScience (2008)
Christophe Croux, Efstratios Gallopoulos, Stefan Van Aelst, Hongyuan Zha
Machine Learning and Robust Data Mining. Comput. Stat. Data Anal. 52 (1) (2007)
Konstantinos Georgiou, Giorgios Kollias, Efstratios Gallopoulos
Grid-Enabling a Problem Solving Environment: Implementation and Everyday Use. CoreGRID Workshop - Making Grids Work (2007)
Giorgios Kollias, Efstratios Gallopoulos
Multidamping simulation framework for link-based ranking. Web Information Retrieval and Linear Algebra Algorithms (2007)
Giorgios Kollias, Efstratios Gallopoulos
Asynchronous Computation of PageRank computation in an interactive multithreading environment. Web Information Retrieval and Linear Algebra Algorithms (2007)
Giorgios Kollias, Efstratios Gallopoulos
Jylab: A System for Portable Scientific Computing over Distributed Platforms. e-Science (2006)
Ioannis Antonellis, Efstratios Gallopoulos
Exploring term-document matrices from matrix models in text mining CoRR (2006)
Michel Cosnard, Hans-Joachim Bungartz, Efstratios Gallopoulos, Yousef Saad
Topic 10: Parallel Numerical Algorithms. Euro-Par (2006)
Dimitrios Zeimpekis, Efstratios Gallopoulos
Linear and Non-Linear Dimensional Reduction via Class Representatives for Text Classification. ICDM (2006)
Giorgios Kollias, Efstratios Gallopoulos, Daniel B. Szyld
Asynchronous iterative computations with Web information retrieval structures: The PageRank case CoRR (2006)
Maurice Clint, Efstratios Gallopoulos, Esmond Ng, Jean Roman
Parallel Matrix Algorithms and Applications (PMAA'04). Parallel Comput. 32 (2) (2006)
Giorgios Kollias, Efstratios Gallopoulos, Daniel B. Szyld
Asynchronous Iterative Computations with Web Information Retrieval Structures: The PageRank Case. PARCO (2005)
Constantine Bekas, Effrosini Kokiopoulou, Efstratios Gallopoulos
The design of a distributed MATLAB-based environment for computing pseudospectra. Future Gener. Comput. Syst. 21 (6) (2005)
Efstratios Gallopoulos, Dimitrios Zeimpekis
CLSI: A Flexible Approximation Scheme from Clustered Term-Document Matrices. SDM (2005)
Peter Arbenz, Efstratios Gallopoulos, Bernard Philippe, Yousef Saad
Parallel Matrix Algorithms and Applications (PMAA '02). Parallel Comput. 29 (9) (2003)
Constantine Bekas, Effrosini Kokiopoulou, Efstratios Gallopoulos, Valeria Simoncini
Parallel Computation of Pseudospectra Using Transfer Functions on a MATLAB-MPI Cluster Platform. PVM/MPI (2002)
Constantine Bekas, Efstratios Gallopoulos
Parallel computation of pseudospectra by fast descent. Parallel Comput. 28 (2) (2002)
Constantine Bekas, Effrosini Kokiopoulou, Ioannis Koutis, Efstratios Gallopoulos
Towards the effective parallel computation of matrix pseudospectra. ICS (2001)
Constantine Bekas, Efstratios Gallopoulos
Cobra: Parallel path following for computing the matrix pseudospectrum. Parallel Comput. 27 (14) (2001)
David W. Walker, Kenneth A. Hawick, Domenico Laforenza, Efstratios Gallopoulos
Topic 19: Problem Solving Environments. Euro-Par (2001)
Luiz De Rose, Kyle A. Gallivan, Efstratios Gallopoulos
3-D Land Avoidance and Load Balancing in Regional Ocean Simulation. ICPP, Vol. 2 (1996)
Valeria Simoncini, Efstratios Gallopoulos
An Iterative Method for Nonsymmetric Systems with Multiple Right-Hand Sides. SIAM J. Sci. Comput. 16 (4) (1995)
Efstratios Gallopoulos
Parallel Computing Using the Prefix Problem (S. Lakshmivarahan and Sudarshan K. Dhall). SIAM Rev. 37 (4) (1995)
Efstratios Gallopoulos, Elias N. Houstis, John R. Rice
Workshop on Problem-Solving Environments: Findings and Recommendations. ACM Comput. Surv. 27 (2) (1995)
Luiz De Rose, Kyle A. Gallivan, Efstratios Gallopoulos, Bret A. Marsolf, David A. Padua
FALCON: A MATLAB Interactive Restructuring Compiler. LCPC (1995)
Chuck Baldwin, Roland W. Freund, Efstratios Gallopoulos
A Parallel Iterative Method for Exponential Propagation. PPSC (1995)
Tony F. Chan, Efstratios Gallopoulos, Valeria Simoncini, Tedd Szeto, Charles H. Tong
A Quasi-Minimal Residual Variant of the Bi-CGSTAB Algorithm for Nonsymmetric Systems. SIAM J. Sci. Comput. 15 (2) (1994)
Daniela Calvetti, Efstratios Gallopoulos, Lothar Reichel
Accuracy Control for Parallel Evaluation of Matrix Rational Functions. PPSC (1993)
Luiz De Rose, Kyle A. Gallivan, Efstratios Gallopoulos
Experiments with an ocean circulation model on CEDAR. ICS (1992)
Efstratios Gallopoulos, Yousef Saad
Efficient Solution of Parabolic Equations by Krylov Approximation Methods. SIAM J. Sci. Comput. 13 (5) (1992)
Çetin Kaya Koç, Peter R. Cappello, Efstratios Gallopoulos
Decomposing polynomial interpolation for systolic arrays. Int. J. Comput. Math. 38 (3-4) (1991)
Luiz De Rose, Kyle A. Gallivan, Efstratios Gallopoulos, Antonio Navarra
Parallel Ocean Circulation Modeling on Cedar. PPSC (1991)
Peter R. Cappello, Efstratios Gallopoulos, Çetin Kaya Koç
Systolic computation of interpolating polynomials. Computing 45 (2) (1990)
Ömer Egecioglu, Efstratios Gallopoulos, Çetin Kaya Koç
Parallel Hermite interpolation: An algebraic approach. Computing 42 (4) (1989)
Efstratios Gallopoulos, Yousef Saad
Efficient Parallel Solution of Parabolic Equations: Implicit Methods on the Cedar Multicluster. PPSC (1989)
Ömer Egecioglu, Efstratios Gallopoulos, Çetin Kaya Koç
Fast computation of divided differences and parallel hermite interpolation. J. Complex. 5 (4) (1989)
Efstratios Gallopoulos, Yousef Saad
Some Fast Elliptic Solvers on Parallel Architectures and their Complexities. Int. J. High Speed Comput. 1 (1) (1989)
G. Frank, Efstratios Gallopoulos, Ulrike Meier
Experiments with Elliptic Problem Solvers on the Cedar Multicluster. PPSC (1989)
Efstratios Gallopoulos, Yousef Saad
On the parallel solution of parabolic equations. ICS (1989)
Yousef Saad, Efstratios Gallopoulos
Efficient Parallel Solutions of Parabolic Equations: Explicit Methods. PPSC (1989)
Efstratios Gallopoulos, Yousef Saad
A parallel block cyclic reduction algorithm for the fast solution of elliptic equations. Parallel Comput. 10 (2) (1989)
Efstratios Gallopoulos, D. Lee
Boundary integral domain decomposition of hierarchical memory multiprocessors. ICS (1988)
Efstratios Gallopoulos, D. Lee
Fast Laplace Solver by Boundary Integral Based Domain Decomposition Methods. PPSC (1987)
Efstratios Gallopoulos, Yousef Saad
A Parallel Block Cyclic Reduction Algorithm for the Fast Solution of Elliptic Equations. ICS (1987)
Efstratios Gallopoulos, Yousef Saad
Parallel Rapid Elliptic Solvers. PPSC (1987)
Efstratios Gallopoulos, S. D. McEwan
Numerical Experiments with the Massively parallel Processor. ICPP (1983)