主题词：Natural Language Processing Techniques; Topic Modeling; Text and Document Classification Technologies; Network Security and Intrusion Detection; Advanced Steganography and Watermarking Techniques; Chaos-based Image/Signal Encryption; Image Retrieval and Classification Techniques; Software Engineering Research; Cloud Computing and Resource Management; Face and Expression Recognition; Handwritten Text Recognition Techniques; IoT and Edge/Fog Computing; Data Mining Algorithms and Applications; Advanced Malware Detection Techniques; Advanced Text Analysis Techniques; Advanced Image and Video Retrieval Techniques; Cryptography and Data Security; Sentiment Analysis and Opinion Mining; AI and Big Data Applications; Medical Image Segmentation Techniques; Biometric Identification and Security; Data Management and Algorithms; Anomaly Detection Techniques and Applications; Applied Advanced Technologies; Face recognition and analysis