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User interest acquisition facilitates customized service by figuring out user preferences in various areas, such as recommendation system and intelligence city. Mobile Internet enriches traditional user behaviors (such as who (user), when (time) and what (content)) by introducing where (mobility) into the analysis of user interest acquisition. However, user mobility is highly predictable, and user...
Context awareness is one area that can be explored in developing mobile health (mHealth) application. Context refers to items such as user location, time, environment etc. applications can provide better services to the user by taking this information into consideration. One of the major challenges in developing context aware mHealth application is to store and process raw context data. This paper...
Design and development of context-aware Information Systems (ISs) is particularly complex, owing to the increasing dependency of people on computing support for making simple decisions or performing their daily tasks. Thus, the need of designing more attractive, adaptable and proactive systems is persistent. In this paper, we present a state of the art of context-aware approaches that are compared...
The Internet of Things (IoT) has given rise to new types of data, emerging for instance from the collection of sensor data and the control of actuators. The explosion of devices that have automated and perhaps improved the lives of all of us has generated a huge mass of information that will continue to grow exponentially. For this reason the need to store, manage, and treat the ever increasing amounts...
Sensor-rich Context Management Frameworks (CMF) for Ubiquitous Systems should be able to continuosly gather raw data from observed entities (e.g., people, surround enviroment) in order to characterize the current situation (i.e., context). However, the energy of sensors can end up, which reduce the ability of CMF for detecting the current situation, directly affecting the availability of context-aware...
Due to the fact that currently operating autonomous vehicles can observe only a limited area with their onboard sensors, safety regulations often dictate a very slow speed. However, as more and more sensors in the environment are available, we can fuse their information and provide extended information as a shared context model to support the autonomous vehicles. In this paper, we consider a scenario...
Human-computer interface of turret currently is not friendly enough because of the mobility, styles of input and output limitations and computing ability. But contexts of human-computer interaction are not considered comprehensive in the process interface design. Therefore, it's vital for the operational efficiency to import a way of human-computer interaction for interface based on context-aware,...
Large and various amounts of context data related to a user's environment are available from different domains including mobile devices, smarthomes, wearable sensors, and social networking services. These context domains are interconnected and the context data from them can be shared thanks to mobile, pervasive, convergent, and ubiquitous technologies. We can provide user-centric context-aware services...
Context-awareness has been quite a hotspot in both academia and business community for the past few years all over the world. The context data has the feature of diversity, therefore, the effective methodology to extract useful information from large-scale data set should be provided, which can support intelligence of human-computer interactive. By analyzing the existing technology, the Context-aware...
Context-aware applications demand for a distributed middleware that can collect, aggregate and deliver contextual data for applications. This paper presents one of the main components, Context-Sources Abstraction (CSA), in a middleware for building context-aware applications. The CSA component includes a set of query interfaces and an event notification mechanism to applications. In this way, the...
Learning does not only take place in a conventional classroom setting but also during everyday activities such as field trips. Such context sensitive learning is not new and can be observed in many different areas. The increasing availability of mobile devices and network access opens up new possibilities for providing context aware support for such learning scenarios. Related work focuses mainly...
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