主题词：Recommender Systems and Techniques; Topic Modeling; Advanced Graph Neural Networks; Information Retrieval and Search Behavior; Data Management and Algorithms; Natural Language Processing Techniques; Advanced Database Systems and Queries; Web Data Mining and Analysis; Expert finding and Q&A systems; Advanced Bandit Algorithms Research; Advanced Image and Video Retrieval Techniques; Text and Document Classification Technologies; Semantic Web and Ontologies; Multimodal Machine Learning Applications; Advanced Text Analysis Techniques; Algorithms and Data Compression; Image Retrieval and Classification Techniques; Mobile Crowdsensing and Crowdsourcing; Speech and dialogue systems; Complex Network Analysis Techniques; Human Mobility and Location-Based Analysis; Caching and Content Delivery; Domain Adaptation and Few-Shot Learning; Usability and User Interface Design; Sentiment Analysis and Opinion Mining