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Our papers have been accepted at The 4th International ACM SIGIR Conference on Information Retrieval in the Asia Pacific (ACM SIGIR-AP 2026).

• Sohei Taniguchi, Taiga Sasaki, Takehiro Yamamoto, Hiroaki Ohshima and Sumio Fujita
  Mitigating Catastrophic Forgetting in Domain-Specific Ad-hoc Retrieval via Model Merging
  Proceedings of the 4th International ACM SIGIR Conference on Information Retrieval in the Asia Pacific (ACM SIGIR-AP 2026), to appear, December 2026.
• Taiyo Ikemoto and Takehiro Yamamoto
  Analyzing the Effects of Query Type and Ranking Methods on the Stance Distribution of Search Results on Controversial Topics
  Proceedings of the 4th International ACM SIGIR Conference on Information Retrieval in the Asia Pacific (ACM SIGIR-AP 2026), to appear, December 2026.

Our paper has been accepted at The 2026 ACM Conference on Innovative Concepts and Theories in Information Retrieval (ACM ICTIR 2026).

• Taiga Sasaki, Takehiro Yamamoto, Hiroaki Ohshima and Sumio Fujita: Model Merging as an Alternative to Fine-Tuning on Combined Data for a Multi-Domain Dense Retriever, Proceedings of the 2026 ACM Conference on Innovative Concepts and Theories in Information Retrieval (ACM ICTIR 2026), to appear, July 2026.

I was selected as one of the Outstanding Reviewers at The 48th European Conference on Information Retrieval (ECIR 2026).

I was selected as one of the Outstanding Reviewers at The 3rd International ACM SIGIR Conference on Information Retrieval in the Asia Pacific (SIGIR-AP 2025).

Ref: https://x.com/ACMSIGIR_AP/status/1998376549012341232/

Our short paper has been accepted at The 34th ACM International Conference on Information and Knowledge Management (CIKM 2025).

• Taiga Sasaki, Takehiro Yamamoto, Hiroaki Ohshima and Sumio Fujita: Effect of Model Merging in Domain-Specific Ad-hoc Retrieval, Proceedings of the 34th ACM International Conference on Information and Knowledge Management (CIKM 2025), to appear, November 2025.