Japan, Sept. 29 -- NTT DOCOMO, INC. announced that it has achieved third place globally in the RecSys Challenge 2025, a premier international data science competition held as part of the ACM Conference on Recommender Systems (RecSys).The RecSys Challenge brings together leading researchers and engineers from around the world to tackle real-world business problems using advanced data science and machine learning techniques. A total of 416 teams participated in this year's competition, which ran from March 10 to June 30, 2025. The award ceremony and technical presentations were held during the RecSys Conference 2025 in Prague, Czech Republic, from September 22 to 26.The 2025 challenge focused on addressing the rising costs of developing and m...