Group 1 - Tencent Technology (Shenzhen) Co., Ltd. has applied for a patent titled "Model Training Method, Recommendation Method, Device, Electronic Equipment, Computer Program Product, and Computer-Readable Storage Medium" with publication number CN120524221A, filed on February 2024 [1] - The patent application describes a method that includes obtaining a recommendation model to be trained, multiple training samples, and their label information, followed by feature mapping of each training sample to obtain embedding vectors [1] - The method involves feature fusion mapping of first and second click message sequences using a shared dynamic embedding table to derive fused embedding vectors, which are then used to train the recommendation model [1] Group 2 - Tencent Technology (Shenzhen) Co., Ltd. was established in 2000 and is primarily engaged in software and information technology services, with a registered capital of 2 million USD [2] - The company has invested in 15 enterprises, participated in 264 bidding projects, and holds 5000 trademark and patent information records, along with 535 administrative licenses [2]