■ Semantic recognition and understanding of object movement
• Spatio-temporal relation of object movement based on region
• Feature analysis and classification of topological relations
• Conceptual similarity measurement between spatio-temporal relations by motion verbs
■ Semantic web and ontology
• Building domain ontology using OWL
• Probabilistic reasoning and learning based on rules
■ Automatic document classification and tagging using knowledge base
• Document classification through building specified N-gram
• Extraction of context information in document
• Automatic document tagging method based on WordNet
■ Semantic Multimedia Data Processing
• Extract major or minor keyword in annotated images
• Efficient image retrieval and automatic classification by similarity measure
• Directional classification of moving object using tangent space representation in video Data
• Semantic trajectory retrieval of moving object by motion verbs
■ Intelligent System Security
• Intelligent Insider threat assessment and modeling
• Intelligent Analysis of Unknown Malicious Script Code
• Ontology based Access Control Model in Cloud Computing Environment
■ Intelligent Healthcare Service
• Context Inference using Smart Device
• Intelligent Health Lifelog Analysis
• Intelligent Medical Sensor Analysis