A. Okuno

activity

20182026

r

-II sibling stars in the Milky Way with the Greedy Optimistic Clustering algorithm

13 citations · 33 across the 25 of their papers we have counts for

collaborators

Showing 2019Show all

3 papers · 1 filter

cs.SI2019

Hyperlink Regression via Bregman Divergence

Akifumi Okuno, Hidetoshi Shimodaira

A collection of $U (\in N)$ data vectors is called a $U$ -tuple, and the association strength among the vectors of a tuple is termed as the \emph{hyperlink weight}, that…

stat.ML2019★ 5 cited

Robust Graph Embedding with Noisy Link Weights

Akifumi Okuno, Hidetoshi Shimodaira

We propose $β$ -graph embedding for robustly learning feature vectors from data vectors and noisy link weights. A newly introduced empirical moment $β$ -score reduces the influence o…

cs.LG2019★ 2 cited

Representation Learning with Weighted Inner Product for Universal Approximation of General Similarities

Geewook Kim, Akifumi Okuno, Kazuki Fukui +1

We propose $weighted inner product similarity$ (WIPS) for neural network-based graph embedding. In addition to the parameters of neural networks, we optimize the weights o…