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Rikiya Takehi

9 papers hereh-index 333 citations9 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author6
  • middle author3

Across the 9 of 9 papers where every author was matched, so the position is known.

fields
  • cs.IR5
  • cs.LG2
  • cs.AI1
  • cs.CL1

identity via Semantic Scholar / OpenAlex

activity
20232026
most citedLLM-Assisted Relevance Assessments: When Should We Ask LLMs for Help?

7 citations · 13 across the 8 of their papers we have counts for

collaborators
Showing 2026Show all

3 papers · 1 filter

cs.AI2026

MLLMs Fail to Refuse when Using Tools Agentically

Rikiya Takehi, Ryo Hachiuma, Shaona Ghosh +3

Agentic multimodal large language models (MLLMs) have recently pushed the frontier of visual reasoning by calling tools such as zooming and tagging. Despite the recent strong succe…

cs.IR2026

Overview of the TREC 2025 Product Search and Recommendation Track

Dean E. Alvarez, Surya Kallumadi, Daniel Campos +4

In the past few years, consumers have moved the bulk of their product exploration and purchasing efforts online seeking speed, convenience, and price comparison with ease unimagina…

cs.LG2026

Beyond Match Maximization and Fairness: Retention-Optimized Two-Sided Matching

Ren Kishimoto, Rikiya Takehi, Koichi Tanaka +4

On two-sided matching platforms such as online dating and recruiting, recommendation algorithms often aim to maximize the total number of matches. However, this objective creates a…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.