activity
19992025
most citedCavity Approach to the Spectral Density of Sparse Symmetric Random Matrices

148 citations · 491 across the 29 of their papers we have counts for

collaborators

29 papers

cs.LG2025

Bouncy particle sampler with infinite exchanging parallel tempering

Yohei Saito, Shun Kimura, Koujin Takeda

Bayesian inference is useful to obtain a predictive distribution with a small generalization error. However, since posterior distributions are rarely evaluated analytically, we emp…

stat.ML2023★ 1 cited

Automatic Hyperparameter Tuning in Sparse Matrix Factorization

Ryota Kawasumi, Koujin Takeda

We study the problem of hyperparameter tuning in sparse matrix factorization under Bayesian framework. In the prior work, an analytical solution of sparse matrix factorization with…

q-bio.NC2022

Generalization of generative model for neuronal ensemble inference method

Shun Kimura, Koujin Takeda

Various brain functions that are necessary to maintain life activities materialize through the interaction of countless neurons. Therefore, it is important to analyze functional ne…

cond-mat.dis-nn2021★ 2 cited

Improved Neuronal Ensemble Inference with Generative Model and MCMC

Shun Kimura, Keisuke Ota, Koujin Takeda

Neuronal ensemble inference is a significant problem in the study of biological neural networks. Various methods have been proposed for ensemble inference from experimental data of…

cs.CL2020

Belief Propagation for Maximum Coverage on Weighted Bipartite Graph and Application to Text Summarization

Hiroki Kitano, Koujin Takeda

We study text summarization from the viewpoint of maximum coverage problem. In graph theory, the task of text summarization is regarded as maximum coverage problem on bipartite gra…

cond-mat.dis-nn2019

Improved algorithm for neuronal ensemble inference by Monte Carlo method

Shun Kimura, Koujin Takeda

Neuronal ensemble inference is one of the significant problems in the study of biological neural networks. Various methods have been proposed for ensemble inference from their acti…