hjlee294, limsy, jdhuh} @etri.re.kr http://www.etri.re.krl AQstract-In this paper, we design and implement baby-care service based on context-awareness in digital home, where sensors are widespread for collecting raw data and a home server exists for triggering automatic services according to the baby's situation. We describe a scenario and techniques, design and implement system architecture and service flows for this service. Using our scheme, we can take care of baby safer and more easily in the future digital home.Kejwurds -Context-aware, ubiquitous computing, digital home.
The present study investigates the operation status of a user-side thermal facility where thermal energy is supplied from main Korean district heating system and distributed to many household spaces. On-site measurements are made on the operation conditions of a user-side thermal facility and then exergy analysis method is applied to the measurement results to determine the locations and the magnitudes of exergy loss/destructions. In addition, based on the exergy analysis results, overall exergy efficiency and heat exchanger effectiveness of the user-side thermal facility are calculated.
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