activity
20242026
collaborators

6 papers

cs.CL2026

Routing by Analogy: kNN-Augmented Expert Assignment for Mixture-of-Experts

Boxuan Lyu, Soichiro Murakami, Hidetaka Kamigaito +1

Mixture-of-Experts (MoE) architectures scale large language models efficiently by employing a parametric ``router'' to dispatch tokens to a sparse subset of experts. Typically, thi…

cs.CL2026

GAIN: A Benchmark for Goal-Aligned Decision-Making of Large Language Models under Imperfect Norms

Masayuki Kawarada, Kodai Watanabe, Soichiro Murakami

We introduce GAIN (Goal-Aligned Decision-Making under Imperfect Norms), a benchmark designed to evaluate how large language models (LLMs) balance adherence to norms against busines…

cs.CL2026

Who Laughs with Whom? Disentangling Influential Factors in Humor Preferences across User Clusters and LLMs

Soichiro Murakami, Hidetaka Kamigaito, Hiroya Takamura +1

Humor preferences vary widely across individuals and cultures, complicating the evaluation of humor using large language models (LLMs). In this study, we model heterogeneity in hum…

cs.CL2025

Oogiri-Master: Benchmarking Humor Understanding via Oogiri

Soichiro Murakami, Hidetaka Kamigaito, Hiroya Takamura +1

Humor is a salient testbed for human-like creative thinking in large language models (LLMs). We study humor using the Japanese creative response game Oogiri, in which participants…

cs.CL2025

AdParaphrase v2.0: Generating Attractive Ad Texts Using a Preference-Annotated Paraphrase Dataset

Soichiro Murakami, Peinan Zhang, Hidetaka Kamigaito +2

Identifying factors that make ad text attractive is essential for advertising success. This study proposes AdParaphrase v2.0, a dataset for ad text paraphrasing, containing human p…

cs.CL2024

FaithCAMERA: Construction of a Faithful Dataset for Ad Text Generation

Akihiko Kato, Masato Mita, Soichiro Murakami +3

In ad text generation (ATG), desirable ad text is both faithful and informative. That is, it should be faithful to the input document, while at the same time containing important i…