Yuechen Ding Email & Phone Number

Shanghai, China

• Participate in developing Baidu AI Search Engine(baise) system- Develope several modules and patches to enhance the integrated search engine system- Utilize the search engine system to deploy on several topics, ensuring the operations of the system to achieve the best possible rankings• Optimize NLP models for query segmentation and ranking- Train NLP models for Named Entity Recognition(NER); construct datasets by data mining; use transfer learning to adapt the model to new domains- Enhance the ranking model by multi-stages pretrain and distillation

Beijing, China

• Participated in the feature engineering design of the Meituan APP search recommendation model - Explored features of business portraits and user interaction behavior with statistical analysis, ETL development - Contributed 30+ new effective features to the recommendation model• Optimized ranking model and focused on data - Monitored the quality of features in the existing ranking model by cover rate and PSI - Analyzed the importance of features by GBDT model - Trained the ESMM ranking model with new features, increased NDCG to 0.85(20BP) on the test set

Master'S Degree, Electronic And Information Engineering, 4.4/5.0

Core Coursework: Advanced Image Processing, Artificial Intelligence, Pattern Recognition, Complex Analysis, Matrix Theory, Robotics

Bachelor'S Degree, Automation Engineer Technology/Technician, 4.4/5.0

Core Coursework: Cybernetics, Fundamentals of Microcomputer, Electric Machinery, Image Processing, Pattern Recognition, Calculus, Linear.