7. Research Interest (1/3)
• Context-aware
Computing in
Ubiquitous Environment
– High-level context
• User activities
• Social relationships
– Low-level context
• Environmental sensor
data
• System parameters
• Application usage data
• Social network data
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8. Research Interest (2/3)
• Social-aware
Computing
– Multi-dimensional
context
• Social / spatial /
temporal semantics
– User interest
inference
– Social interaction
recommendation
– Collaborative group
identification
8
[Interaction Opportunity Discovery
in Public Places]
10. Research Interest(3/3)
10
Sensor
Node
Applications | habitat monitoring, disaster surveillance, military
supports, patient monitoring, etc.
Storage
(Database)
DBMS
Sensor
Database
Query/ResultQuery/Result
(Virtual) Storage
Wireless Sensor Network
11. Research Interest(3/3)
• 모바일 환경 응용분야: Urban Sensing
– 일정한 노선을 경유하는 시내버스에 센서 에이전트
부착
– 도시의 교통정보, 대기오염도, 주변 상황에 대한
기본적인 정보를 센서를 통해 획득
– 센서의 값을 네트워크를 통해 중앙 모듈로 전송
11
