activity
20242026
most citedContext Quality Matters in Training Fusion-in-Decoder for Extractive Open-Domain Question Answering

5 citations · 6 across the 6 of their papers we have counts for

collaborators

6 papers

cs.AI2026

cotomi Act: Learning to Automate Work by Watching You

Masafumi Oyamada, Kunihiro Takeoka, Kosuke Akimoto +5

What if a browser agent could learn your work simply by watching you do it? We present cotomi Act, a browser-based computer-using agent that combines reliable multi-step task execu…

cs.IR2025

Revisiting Prompt Engineering: A Comprehensive Evaluation for LLM-based Personalized Recommendation

Genki Kusano, Kosuke Akimoto, Kunihiro Takeoka

Large language models (LLMs) can perform recommendation tasks by taking prompts written in natural language as input. Compared to traditional methods such as collaborative filterin…

cs.IR2024

Are Longer Prompts Always Better? Prompt Selection in Large Language Models for Recommendation Systems

Genki Kusano, Kosuke Akimoto, Kunihiro Takeoka

In large language models (LLM)-based recommendation systems (LLM-RSs), accurately predicting user preferences by leveraging the general knowledge of LLMs is possible without requir…

cs.CL2024

Scaling Law: Optimizing Multi-Epoch, Multi-Lingual, and Multi-Stage Training for Low-Resource Language Models

Kosuke Akimoto, Taiki Miyagawa, Masafumi Oyamada

In this paper, we study a fundamental design problem in pretraining Large Language Models (LLMs) for low-resource language regimes. Existing works adopt multi-epoch, multi-lingual,…

cs.CL2024★ 1 cited

LightPAL: Lightweight Passage Retrieval for Open Domain Multi-Document Summarization

Masafumi Enomoto, Kunihiro Takeoka, Kosuke Akimoto +2

Open-Domain Multi-Document Summarization (ODMDS) is the task of generating summaries from large document collections in response to user queries. This task is crucial for efficient…

cs.CL2024★ 5 cited

Context Quality Matters in Training Fusion-in-Decoder for Extractive Open-Domain Question Answering

Kosuke Akimoto, Kunihiro Takeoka, Masafumi Oyamada

Retrieval-augmented generation models augment knowledge encoded in a language model by providing additional relevant external knowledge (context) during generation. Although it has…