1. Page 1 Alliver™ 2008. 3

2. Page 2 Scenario Users Contents Properties Contexts Tags Users Context Listener Set of contents Service Reasoner GPS Navigator Cell phone Home Network PC Digital camera Voice recorder PDA Context Reasoner Semantic Indexer Smart Annotator DRM Service Composer Services Evidence Collector Evidence Collector Data Modeler Use Dynamic Info. (Activity) Static Info. (Profile) Raw Context Data Device- independent Context Data Devices Device-dependent Context Data Raw Content Data Indexed Content Data with Semantic Formed Content Data Data Ontology (set of triples) User Evidence Data Requested Content Data Secured Content Data Derived Content Data Logics / Rules User-Defined Annotation Revised Annotation Usage Logs Requested Context Data Derived Context Data Set of Services Requested Service Log Info.

3. Page 3 Research Areas User to Device Device-dependent User Interface Interface Integration User to Evidence Collector Focused Crawling ( 이철기 ) User Profile Management Opinion Mining ( 양정연 ) User to Context Listener Context Monitoring Technique Context Definition Service Rule Generation Data Mining Machine Learning Context Listener to Database Context Data Mediator Device-Independent Mapping Technique Data Indexing Log Management Device to Database Data Extraction from Device Database Modeling RDB-based Ontology Building Database to Data Modeler Content / Context Data Modeling ( 강승석 ) Context / Context Data Synchronization Data Modeler to Ontology Ontology Building ( 양정연, 박재휘 ) Weighted Graph Modeling Technique Data Model Integration Probabilistic Network Graph Traverse Algorithm Content to Reasoner Reasoning Logic Inference Engine Probabilistic Inference Engine Rule-based Context Identification Security & Privacy (DRM) Service to User Service Matching Technique Service Composing Technique Search & Recommendation Technique ( 이재원 ) Question & Answering ( 이동주 ) Personalization Smart Annotation Rule Database to Service Reasoner Knowledge Storing Complex Logic Theory Others Parser ( 이동주, 명재석 ) Query Expansion & Mediation

4. Page 4 Application Framework Context-Aware Services Applied Technology Context Data Technology Foundations Content / Context Data Modeling Personalization Device Independence / Multi-modal UI Device Independence / Multi-modal UI Service Matching & Adaptation Smart Annotation Privacy & Security Privacy & Security Reasoning Database with Semantics Sensor & Device Network Search & Recommendation Telematics & Infotainment Data Crawler & Wrapper User Profile / Context Management Content Network Social Network Personalized Content Delivery Ubiquitous Shopping Mobile Service (Content Search & Recommendation) Person To Person Person To Machine