Koby Hayashi

17 papers A 3B 3Misc 1Journal 9
YearRankTypeTitle / Venue / Authors
2025 J jnl
Evaluating the Robustness of Dense Retrievers in Interdisciplinary Domains.
CoRR
Sarthak Chaturvedi, Anurag Acharya, Rounak Meyur, Koby Hayashi, Sai Munikoti, Sameera Horawalavithana
2025 J jnl
Randomized Algorithms for Symmetric Nonnegative Matrix Factorization.
SIAM J. Matrix Anal. Appl.
Koby Hayashi, Sinan G. Aksoy, Grey Ballard, Haesun Park
2024 B conf
On Rank Selection for Nonnegative Matrix Factorization.
IEEE Big Data
Srinivas Eswar, Koby Hayashi, Benjamin Cobb, Ramakrishnan Kannan, Grey Ballard, Richard W. Vuduc, Haesun Park
2024 J jnl
Randomized Algorithms for Symmetric Nonnegative Matrix Factorization.
CoRR
Koby Hayashi, Sinan G. Aksoy, Grey Ballard, Haesun Park
2024 — —
Speeding up nonnegative low-rank approximation: Parallelism and Randomization.
Koby Hayashi
2023 A conf
Distributed-Memory Parallel JointNMF.
ICS
Srinivas Eswar, Benjamin Cobb, Koby Hayashi, Ramakrishnan Kannan, Grey Ballard, Richard W. Vuduc, Haesun Park
2022 B conf
Skew-Symmetric Adjacency Matrices for Clustering Directed Graphs.
IEEE Big Data
Koby Hayashi, Sinan G. Aksoy, Haesun Park
2022 J jnl
Skew-Symmetric Adjacency Matrices for Clustering Directed Graphs.
CoRR
Koby Hayashi, Sinan G. Aksoy, Haesun Park
2021 J jnl
PLANC: Parallel Low-rank Approximation with Nonnegativity Constraints.
ACM Trans. Math. Softw.
Srinivas Eswar, Koby Hayashi, Grey Ballard, Ramakrishnan Kannan, Michael A. Matheson, Haesun Park
2020 A conf
Distributed-memory parallel symmetric nonnegative matrix factorization.
SC
Srinivas Eswar, Koby Hayashi, Grey Ballard, Ramakrishnan Kannan, Richard W. Vuduc, Haesun Park
2020 A conf
Hypergraph Random Walks, Laplacians, and Clustering.
CIKM
Koby Hayashi, Sinan G. Aksoy, Cheong Hee Park, Haesun Park
2020 J jnl
Hypergraph Random Walks, Laplacians, and Clustering.
CoRR
Koby Hayashi, Sinan G. Aksoy, Cheong Hee Park, Haesun Park
2019 J jnl
PLANC: Parallel Low Rank Approximation with Non-negativity Constraints.
CoRR
Srinivas Eswar, Koby Hayashi, Grey Ballard, Ramakrishnan Kannan, Michael A. Matheson, Haesun Park
2018 Misc conf
Parallel Nonnegative CP Decomposition of Dense Tensors.
HiPC
Grey Ballard, Koby Hayashi, Ramakrishnan Kannan
2018 J jnl
Parallel Nonnegative CP Decomposition of Dense Tensors.
CoRR
Grey Ballard, Koby Hayashi, Ramakrishnan Kannan
2018 B conf
Shared-memory parallelization of MTTKRP for dense tensors.
PPoPP
Koby Hayashi, Grey Ballard, Yujie Jiang, Michael J. Tobia
2017 J jnl
Shared Memory Parallelization of MTTKRP for Dense Tensors.
CoRR
Koby Hayashi, Grey Ballard, Jeffrey Jiang, Michael J. Tobia