NLPIR 2025 | Kyushu University, Fukuoka, Japan | December 12-14, 2025
2025 9th International Conference on Natural Language Processing and Information Retrieval(NLPIR 2025) has been held in Kyushu University, Fukuoka, Japan on December 12-14, 2025.
At the begining of December 13, Prof. Koichi Takeuchi, Okayama University, Japan and Prof. Herwig Unger, FernUniversitat in Hagen, Germany delivered welcome speech and opening remarks seperately!
7 conference sessions were filled with the presentation of our participants: the topics have covered many areas from Language Model and Machine Translation; Machine Learning based Recommendation System and Algorithm Optimization; Semantic Analysis and Syntactic Analysis; Content based Speech Recognition and Sentiment Analysis; Text Analysis and Clustering; Information Extraction and Visualization based on NLP; Named Entity Recognition. The topics are related to timely issues of theory and application of the latest research results.
Best Paper
Paper Title: Optimizing Retrieval in RAG Systems with Reinforcement Learning: A Trade-off Between Quality and Cost
Author(s): Chaithra Lokasara Mahadevaswamy, Khoa Nguyen, Mayank Singh, Hsien-Tsung Chang
Best Student Papers
Paper Title: Advancing an AI Model for Predicting Prohibited Substances Using Knowledge Graphs and Retrieval-Augmented Generation
Author(s): Shunsuke Yamamoto, Takashi Tsunakawa, Masafumi Nishida
Paper Title: Probing Attention in Pre-Trained LLMs to Detect Semantics
Author(s): Frédéric Charpentier, Jairo Cugliari Duhalde, Adrien Guille