News Event Retrieval from Large Video Collection in Ho Chi Minh City AI Challenge 2023. - Trong-Le Do; Hai-Dang Nguyen; Quang-Thuc Nguyen; Mai-Khiem Tran; Viet-Tham Huynh; Cathal Gurrin; Van-Tu Ninh; Tu-Khiem Le; Thanh Duc Ngo; Tu-Trinh Ngo; Duc-Tien Dang-Nguyen; Minh-Triet Tran (SoICT, 2023)