Svetlana Kim

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Context-aware technologies can make e-learning services smarter and more efficient since context-aware services are based on the user's behavior. To add those technologies into existing e-learning services, a service architecture model is needed to transform the existing e-learning environment, which is situation-aware, into the environment that understands(More)
Mobile and ubiquitous computing devices are transforming the way that learners study. But most of learning contents, designed for desktop, are not suitable for headheld devices. This paper presents ALVC (Adaptation Learning Video Content), an architecture that produces secure, portable and personalization e-learning contents for generic mobile device.
The recommendation system are widely adopted in today’s mainstream online sharing services, providing useful prediction of user’s rating or user’s preferences of sharing items (such as products, movies, books, and news articles). A key challenge of recommendation systems in sharing economy is to employ prediction algorithms to estimate the matching items(More)