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20202026
most citedEfficient Joinable Table Discovery in Data Lakes: A High-Dimensional Similarity-Based Approach

9 citations · 15 across the 9 of their papers we have counts for

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cs.IR2025

Are Large Language Models Really Effective for Training-Free Cold-Start Recommendation?

Genki Kusano, Kenya Abe, Kunihiro Takeoka

Recommender systems usually rely on large-scale interaction data to learn from users' past behaviors and make accurate predictions. However, real-world applications often face situ…

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.IR2025

LLM-based Query Expansion Fails for Unfamiliar and Ambiguous Queries

Kenya Abe, Kunihiro Takeoka, Makoto P. Kato +1

Query expansion (QE) enhances retrieval by incorporating relevant terms, with large language models (LLMs) offering an effective alternative to traditional rule-based and statistic…

cs.IR2025

On Synthesizing Data for Context Attribution in Question Answering

Gorjan Radevski, Kiril Gashteovski, Shahbaz Syed +11

Question Answering (QA) accounts for a significant portion of LLM usage "in the wild". However, LLMs sometimes produce false or misleading responses, also known as "hallucinations"…

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.IR2020★ 9 cited

Efficient Joinable Table Discovery in Data Lakes: A High-Dimensional Similarity-Based Approach

Yuyang Dong, Kunihiro Takeoka, Chuan Xiao +1

Finding joinable tables in data lakes is key procedure in many applications such as data integration, data augmentation, data analysis, and data market. Traditional approaches that…