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A modern web service or the Internet of Things (IoT) based service is composed of various loosely-coupled service components, called microservices, running on the cloud resource. It enables that the number of active servers be adjusted following the load fluctuation, so an efficient cloud resource allocation is required. This situation is modeled as variable-sized dynamic bin packing problem where...
Personalized activity recognition, which targets specificsingle-person in multi-person environments, can be veryeffective in various settings where each person has their own objectsand movement patterns. However, most activity recognitionresearches only deal with general activity recognition, which usesthe same model for all single-person individuals. This is becauseit is difficult to build a customized...
Workload prediction in computing systems like Cloud and Grid is an essential prerequisite for successful load balancing and achieving service-level agreements. However, since workloads in different systems and architectures have varied characteristics, providing an accurate single prediction model can be very challenging. Therefore, in this paper we have designed and implemented a model of stacking...
In food service, the transparency and reliability ofproduct data are especially important requirements. But most of distributed information is non-trusted data without accurate source. To provide reliable data of food products, we propose the metadata service architecture for food service, applying GS1 Source defined by GS1 (Global Standard 1). GS1 Source is a standard for providing a communication...
Recent mobile environment has various types of smart things which are opportunistically adjacent to the surrounding areas of mobile phones. However most of applications in the market are just statically bound to specific model of designated manufacturer which were chosen in development phase, so they are not interoperable with heterogeneous things even though they have similar functionalities. To...
Internet of Things (IoT) has received a lot of attentions recently as a network of virtual representations of physical objects using technologies like radio-frequency identification (RFID) to identify and tracking objects' tags. While some research work has attempted to deliver IoT applications into the real-world, a scalable deployment has not yet been seen. Therefore, by utilizing Cloud technology...
To ensure global interoperability in today's fast-moving trading networks, EPC global Network (EPC Network) architecture has been at the core of Electronic Product Code (EPC) as a universal identifier for objects' virtual representations. While Cloud technology has largely been used for EPC Network's real world deployment for thousands of vendors, an optimized Cloud solution has yet to be provided...
The revolutionary improvements in low power devices and lightweight network protocols are making the mobile healthcare engage attentions. However there are some obstacles to realize mobile healthcare. Connectivity of miniaturized wearable sensors of the body area network (BAN) to the Internet is one of the most important issues in realizing mobile healthcare system. Interoperability is also important...
Mashup, a way to compose a new service from existing services, is expected to play a great role in internet of things (IoT) environment. Many recent researches suggest that mashup in IoT environment is possible with existing web mashup technology if each thing exposes its functionalities as a web service. However, this approach may have limitations in dealing with many heterogeneous devices and computation...
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