DEVICE AND A METHOD FOR SERVICING SITUATION INFORMATION BASED ON A PLACE USING ONTOLOGY, CAPABLE OF ENABLING UBIQUITOUS COMPUTING MIDDLEWARE TO PROVIDE MORE PROPER SERVICE TO A USER

摘要

PURPOSE: A device and a method for servicing situation information based on place using ontology are provided to model placeness contextual information of ontology base.;CONSTITUTION: A temporal context management unit(806) comprises time information in a situation law and a PHLC(Placeness-based High Level Context) situation law syntax based on a location and a placeness context. A context inference engine unit(808) reasons whether a situation law satisfying relevant condition exists or not based on the situation law and the PHLC situation law syntax. A context event management unit(810) generates event information about corresponding situation law. The contextual information event control unit transfers the event information to the application service unit.;COPYRIGHT KIPO 2010