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cs.CL2026

Enhancing Factuality through Consensus and Consistency in Summarization Using Minimum Bayes Risk Decoding

Riza Setiawan Soetedjo, Yusuke Sakai, Hidetaka Kamigaito +3

Improving the quality of model-generated summaries, especially factuality, the accuracy of a summary with respect to its source content, remains a challenge. While reranking could…

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

Length Representations in Large Language Models

Sangjun Moon, Dasom Choi, Jingun Kwon +2

Large language models (LLMs) have shown remarkable capabilities across various tasks, that are learned from massive amounts of text-based data. Although LLMs can control output seq…

cs.CL2025

CodeNER: Code Prompting for Named Entity Recognition

Sungwoo Han, Hyeyeon Kim, Jingun Kwon +2

Recent studies have explored various approaches for treating candidate named entity spans as both source and target sequences in named entity recognition (NER) by leveraging large…

cs.CL2025

Diversity of Transformer Layers: One Aspect of Parameter Scaling Laws

Hidetaka Kamigaito, Ying Zhang, Jingun Kwon +3

Transformers deliver outstanding performance across a wide range of tasks and are now a dominant backbone architecture for large language models (LLMs). Their task-solving performa…

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.CL2025

TextTIGER: Text-based Intelligent Generation with Entity Prompt Refinement for Text-to-Image Generation

Shintaro Ozaki, Tomoyuki Jinno, Kazuki Hayashi +6

When generating images from prompts that include specific entities, the model must retain as much entity-specific knowledge as possible. However, the number of entities is almost c…

cs.CL2025

Considering Length Diversity in Retrieval-Augmented Summarization

Juseon-Do, Jaesung Hwang, Jingun Kwon +2

This study investigates retrieval-augmented summarization by specifically examining the impact of exemplar summary lengths under length constraints, not covered by previous work. W…

cs.CL2025

AdParaphrase: Paraphrase Dataset for Analyzing Linguistic Features toward Generating Attractive Ad Texts

Soichiro Murakami, Peinan Zhang, Hidetaka Kamigaito +2

Effective linguistic choices that attract potential customers play crucial roles in advertising success. This study aims to explore the linguistic features of ad texts that influen…