activity
20212025
most citedEmbarrassingly Simple Text Watermarks

4 citations · 21 across the 14 of their papers we have counts for

collaborators

15 papers

cs.LG2025

Delayed Momentum Aggregation: Communication-efficient Byzantine-robust Federated Learning with Partial Participation

Kaoru Otsuka, Yuki Takezawa, Makoto Yamada

Partial participation is essential for communication-efficient federated learning at scale, yet existing Byzantine-robust methods typically assume full client participation. In the…

stat.ML2025

Any-stepsize Gradient Descent for Separable Data under Fenchel-Young Losses

Han Bao, Shinsaku Sakaue, Yuki Takezawa

The gradient descent (GD) has been one of the most common optimizer in machine learning. In particular, the loss landscape of a neural network is typically sharpened during the ini…

cs.LG2024

Parameter-free Clipped Gradient Descent Meets Polyak

Yuki Takezawa, Han Bao, Ryoma Sato +2

Gradient descent and its variants are de facto standard algorithms for training machine learning models. As gradient descent is sensitive to its hyperparameters, we need to tune th…

cs.LG2024

PhiNets: Brain-inspired Non-contrastive Learning Based on Temporal Prediction Hypothesis

Satoki Ishikawa, Makoto Yamada, Han Bao +1

Predictive coding is a theory which hypothesises that cortex predicts sensory inputs at various levels of abstraction to minimise prediction errors. Inspired by predictive coding,…

cs.LG2023★ 4 cited

Embarrassingly Simple Text Watermarks

Ryoma Sato, Yuki Takezawa, Han Bao +2

We propose Easymark, a family of embarrassingly simple yet effective watermarks. Text watermarking is becoming increasingly important with the advent of Large Language Models (LLM)…

stat.ML2023

An Empirical Study of Self-supervised Learning with Wasserstein Distance

Makoto Yamada, Yuki Takezawa, Guillaume Houry +4

In this study, we delve into the problem of self-supervised learning (SSL) utilizing the 1-Wasserstein distance on a tree structure (a.k.a., Tree-Wasserstein distance (TWD)), where…

cs.CL2023★ 2 cited

Necessary and Sufficient Watermark for Large Language Models

Yuki Takezawa, Ryoma Sato, Han Bao +2

In recent years, large language models (LLMs) have achieved remarkable performances in various NLP tasks. They can generate texts that are indistinguishable from those written by h…

cs.LG2023★ 2 cited

Beyond Exponential Graph: Communication-Efficient Topologies for Decentralized Learning via Finite-time Convergence

Yuki Takezawa, Ryoma Sato, Han Bao +2

Decentralized learning has recently been attracting increasing attention for its applications in parallel computation and privacy preservation. Many recent studies stated that the…

cs.LG2022★ 3 cited

Momentum Tracking: Momentum Acceleration for Decentralized Deep Learning on Heterogeneous Data

Yuki Takezawa, Han Bao, Kenta Niwa +2

SGD with momentum is one of the key components for improving the performance of neural networks. For decentralized learning, a straightforward approach using momentum is Distribute…

stat.ML2022★ 4 cited

Approximating 1-Wasserstein Distance with Trees

Makoto Yamada, Yuki Takezawa, Ryoma Sato +3

Wasserstein distance, which measures the discrepancy between distributions, shows efficacy in various types of natural language processing (NLP) and computer vision (CV) applicatio…

cs.LG2022

Communication Compression for Decentralized Learning with Operator Splitting Methods

Yuki Takezawa, Kenta Niwa, Makoto Yamada

In decentralized learning, operator splitting methods using a primal-dual formulation (e.g., the Edge-Consensus Learning (ECL)) has been shown to be robust to heterogeneous data an…

math.OC2022★ 3 cited

Theoretical Analysis of Primal-Dual Algorithm for Non-Convex Stochastic Decentralized Optimization

Yuki Takezawa, Kenta Niwa, Makoto Yamada

In recent years, decentralized learning has emerged as a powerful tool not only for large-scale machine learning, but also for preserving privacy. One of the key challenges in dece…

cs.AI2021★ 1 cited

Improving the Robustness to Variations of Objects and Instructions with a Neuro-Symbolic Approach for Interactive Instruction Following

Kazutoshi Shinoda, Yuki Takezawa, Masahiro Suzuki +2

An interactive instruction following task has been proposed as a benchmark for learning to map natural language instructions and first-person vision into sequences of actions to in…

cs.AI2021★ 2 cited

Fixed Support Tree-Sliced Wasserstein Barycenter

Yuki Takezawa, Ryoma Sato, Zornitsa Kozareva +2

The Wasserstein barycenter has been widely studied in various fields, including natural language processing, and computer vision. However, it requires a high computational cost to…

cs.LG2021

Supervised Tree-Wasserstein Distance

Yuki Takezawa, Ryoma Sato, Makoto Yamada

To measure the similarity of documents, the Wasserstein distance is a powerful tool, but it requires a high computational cost. Recently, for fast computation of the Wasserstein di…