Dimitrios Androutsos

2026

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Diffusion-based generative modeling for expert team formation.
Mohammad Hossein Saliminabi|Sajad Ebrahimi|Radin Hamidi Rad|Dimitrios Androutsos|Fattane Zarrinkalam|Ebrahim Bagheri
Information Processing and Management 2026 Volume 63 Issue 7
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Failing Forward: Understanding Query Failure in Retrieval, Judgment, and Generation.
Ralf Krestel|Mohammad Hossein Saliminabi|Seyed Mohammad Hosseini|Hidir Aras|Dimitrios Androutsos|Negar Arabzadeh|Ralf Krestel|Mohammad Hossein Saliminabi|Morteza Zihayat|Florina Piroi|Hidir Aras|Dimitrios Androutsos|Ebrahim Bagheri|Allan Hanbury|Morteza Zihayat|Florina Piroi|Ebrahim Bagheri|Allan Hanbury
Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026
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LearnDCG: End-to-End Joint Optimization of Ranker and Loss in Neural Ranking.
Xiaodong Chen|Mohammad Hossein Saliminabi|Shuanglong Li|Dimitrios Androutsos|Lin Liu|Ebrahim Bagheri|Xiaodong Chen|Mohammad Hossein Saliminabi|Shuanglong Li|Dimitrios Androutsos|Lin Liu|Ebrahim Bagheri
Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026

2025

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LLM-as-a-Judge in Entity Retrieval: Assessing Explicit and Implicit Relevance.
Mohammad Hossein Saliminabi|Negar Arabzadeh|Seyed Mohammad Hosseini|Dimitrios Androutsos|Morteza Zihayat|Ebrahim Bagheri
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025