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Vassilis Kalantzis
Vassilis Kalantzis
IBM Research
Verified email at ibm.com - Homepage
Title
Cited by
Cited by
Year
EigenRec: Generalizing PureSVD for Effective and Efficient Top-N Recommendations
A Nikolakopoulos, V Kalantzis, E Gallopoulos, JD Garofalakis
Knowledge and Information Systems 58 (1), 59-81, 2018
50*2018
Estimating the Trace of the Matrix Inverse by Interpolating from the Diagonal of an Approximate Inverse
L Wu, J Laeuchli, V Kalantzis, A Stathopoulos, E Gallopoulos
Journal of Computational Physics 326, 828-844, 2016
402016
Accelerating Data Uncertainty Quantification by Solving Linear Systems with Multiple Right-Hand Sides
V Kalantzis, C Bekas, A Curioni, E Gallopoulos
Numerical Algorithms 62 (4), 637-653, 2013
382013
PFEAST: A High Performance Sparse Eigenvalue Solver Using Distributed-Memory Linear Solvers
J Kestyn, V Kalantzis, E Polizzi, Y Saad
In Proceedings of the International Conference for High Performance …, 2016
352016
TeraPCA: a fast and scalable software package to study genetic variation in tera-scale genotypes
A Bose, V Kalantzis, E Kontopoulou, M Elkady, P Paschou, P Drineas
Bioinformatics, 3679–3683, 2019
262019
Domain Decomposition Approaches for Accelerating Contour Integration Eigenvalue Solvers for Symmetric Eigenvalue Problems
V Kalantzis, J Kestyn, E Polizzi, Y Saad
Numerical Linear Algebra with Applications 25 (5), 2018
212018
Cucheb: A GPU Implementation of the Filtered Lanczos Procedure
JL Aurentz, V Kalantzis, Y Saad
Computer Physics Communications 220, 332-340, 2017
17*2017
Spectral Schur Complement Techniques for Symmetric Eigenvalue Problems
V Kalantzis, R Li, Y Saad
Electronic Transactions on Numerical Analysis 45, 305-329, 2016
172016
A Hierarchical Low-Rank Schur Complement Preconditioner for Indefinite Linear Systems
G Dillon, V Kalantzis, Y Xi, Y Saad
SIAM Journal on Scientific Computing 40 (4), A2234-A2252, 2018
152018
Beyond Automated Multilevel Substructuring: Domain Decomposition with Rational Filtering
V Kalantzis, Y Xi, Y Saad
SIAM Journal on Scientific Computing 40 (4), C477-C502, 2018
14*2018
A Scalable Iterative Dense Linear System Solver for Multiple Right-Hand Sides in Data Analytics
V Kalantzis, ACI Malossi, C Bekas, A Curioni, E Gallopoulos, Y Saad
Parallel Computing 74, 136-153, 2018
132018
Stable Computation of Generalized Matrix Functions via Polynomial Interpolation
JL Aurentz, AP Austin, M Benzi, V Kalantzis
SIAM Journal on Matrix Analysis and Applications 40 (1), 210-234, 2019
112019
Factored Proximity Models for Top-N Recommendations
AN Nikolakopoulos, V Kalantzis, E Gallopoulos, JD Garofalakis
2017 IEEE International Conference on Big Knowledge (ICBK), 80-87, 2017
72017
Projection techniques to update the truncated SVD of evolving matrices with applications
V Kalantzis, G Kollias, S Ubaru, AN Nikolakopoulos, L Horesh, K Clarkson
International Conference on Machine Learning, 5236-5246, 2021
52021
Exponential advantage on noisy quantum computers
IY Akhalwaya, S Ubaru, KL Clarkson, MS Squillante, V Jejjala, YH He, ...
arXiv preprint arXiv:2209.09371, 2022
42022
A Domain Decomposition Rayleigh--Ritz Algorithm for Symmetric Generalized Eigenvalue Problems
V Kalantzis
SIAM Journal on Scientific Computing 42 (6), C410-C435, 2020
42020
A spectral Newton-Schur algorithm for the solution of symmetric generalized eigenvalue problems
V Kalantzis
Electronic Transactions on Numerical Analysis 52, 132-153, 2020
42020
Domain decomposition algorithms for the solution of sparse symmetric generalized eigenvalue problems
V Kalantzis
PhD Dissertation, 2018
42018
Data analytics, accelerators, and supercomputing: the challenges and future of MPI
V Kalantzis
XRDS: Crossroads, The ACM Magazine for Students 23 (3), 50-52, 2017
32017
Directed Graph Auto-Encoders
G Kollias, V Kalantzis, T Idé, A Lozano, N Abe
AAAI Conference on Artificial Intelligence, 2022
22022
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Articles 1–20