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Many previous studies have addressed the provision of sustainable context awareness. However, they did not consider the transition between contexts and instead handled each context individually. In other words, they neglected the relationship between contexts, which can be perceived during the transition of contexts, and instead determined the context using only the value output from a sensor. As...
Background This study was undertaken to analyze the distribution and ecological characteristics of invasive alien plant species on Jeju Island, and to provide basic data for their management and control. Results A field research was conducted at 436 locations on Jeju Island. The field research identified nine species of invasive alien species growing on Jeju Island. Based on the distribution pattern,...
Context-aware applications in mobile devices use various sensors for inferring context to provide high-quality services. However, mobile devices have limited battery life and sensors consume much power. There have been many approaches for energy efficient sensor usage, but specified sensor operations considering context-aware application give more chance to decrease the power consumption of sensor...
The minimum rated thruster capacity is determined for assisting LNG Vessel (LNGC) berthing operation during holding mode, where thrusters are expected to provide lee-side area for the LNGC and tug boats by rotating the Floating LNG (FLNG) against wave with certain wave heading angle during berthing operation. The expected capacity of thruster for offloading operations is an important design basis...
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