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As the Internet of Things has emerged, it has become possible to develop applications and services through various types of input / output using things as well as various graphic displays. In view of the development of such interfaces, a distributed user interface (DUI) is emerging in which a plurality of devices are simultaneously used to utilize one application service. In order to activate a DUI-based...
Many Internet of Things applications provide methods to create mashup services with if-then-else approaches due to its simplicity. When a number of mashup services are increased, it may be suffered by service conflict, that is, mashup services may perform opposite actions or abnormal behavior at the same time. To overcome this issue, this paper proposes the concept of context descriptor to detect...
With the growth of sharing economy, P2P resource sharing services are combined with social networks for improving user experience and giving more trustworthiness to users. For trust management, many P2P resource sharing services adopt feedback-based reputation system. Since peers in services have their social relationship in the community, reputation includes not only trust related to services but...
This paper proposes a video audience measurement framework for MPEG-DASH. In current untrustworthy over-the-top (OTT) environments, the proposed framework utilizes segment-hashing to collect and offer video audience measurement to third party organizations while ensuring the protection of consumers' privacy. The system generates hash values for video streaming segments, establishes a video information...
This paper proposed trust visualization for object management in Internet of Things environment. Based on the proposed system, trust based object visualization methods are introduced. Actual implementation shows that graph-based trust visualization helps user perceptions to handle various related objects.
The number of wireless access points (APs) have increased rapidly in recent years to support increasing demands of wireless local area network. However, some of the research findings show that many of these APs are actually idle mainly during off-peak hours, i.e., there is no active user to support within their coverage areas during that time. Nevertheless, to identify availability of users, all APs...
This paper describes a theoretical framework for rate allocation to maximize the power efficiency of overall heterogeneous wireless networks whose users are assumed to have multihoming capabilities. Therefore, the paper first presents a power consumption model considering the circuit power and radio transmission power of each wireless network. Using this model, two novel power efficient rate allocation...
There has been a dramatic increase in the use of XML data to deliver information over the Web. Many Web sites are now publishing feeds (most commonly known as RSS; often called really simple syndication) for their subscribers. To improve performance of content syndication system, history based pattern learning approaches are mainly used. This paper proposes a new feed querying scheme which is used...
To date, a mobile multi-screen system is emerged to satisfy customer's requirement for playing various interactive contents with bigger screen size. However, it is costful job to configure visual mapping for screen locations. To resolve this problem, we propose an intuitive composition method for an interactive multi-screen system. With proposed method, we present scenarios that compose a visual screen...
Under the concept of Web-of-Object (WoO), emergency service is one of the key components in smart home care. Most distinctive characteristics of the emergency service are prompt detection, confidential decision making, and immediate reaction. For that, besides the general service management, the sensor data management, context processing, and communication functions are designed under the name of...
Web-based multi-screen digital signage system is designed to show a multimedia content via multiple signage screens which are connected by a network. In this demonstration, a novel method to control multi-screen digital signage is proposed. The proposed method uses standard web technologies to display same contents and seamless moving each devices screen.
This paper demonstrates service control for IoT gadget platform by using web intent. The difference from legacy device-connected service is that it follows the Web's virtue loose coupling of service components. For loose coupling of these components based on the web technologies, it requires light-weight service logic for limited devices like sensor. To support loose coupling service components, proposed...
Browser-based web content sharing system is designed for users to share and distribute what they're watching web contents to other users or system via web browser. The demonstration will show the novel method to distribute partial web contents on browsers to other screens in web browsing environment, especially for e-learning situations.
In heterogeneous wireless access networks, it is important to achieve high variability of access resources. Bandwidth Aggregation (BAG) is considered to be a promising solution for this objective. However, power consumption has not been adequately addressed, although prolonging the battery life time of mobile devices with low power consumption has received attention lately. In this paper, we propose...
With recent advance of processors and communication technologies, the accessibility toward World-wide-web (WWW) gets better. Recently, there are many tries to integrate devices and things to the Internet. The purpose of Web of Objects is to enhance users life and experiences by providing rich web service with sensors and actuators. The difference from legacy device-connected service is that it follows...
Nowadays, more and more users are surfing web pages using smart devices, such as smart phone, tablet PC, and smart TV. Those devices have some limitations, so that users want to utilize multiple devices to get improved user experience. Multi-screen environment involves web contents sharing, moving, controlling, and managing, and implementing multi-screen web page incurs several problems, which are...
Studies on existing and future networks aimed at building an energy saving networks have been conducted by global standard groups such as GreenTouch, IETF, and ITU-T. Future networks deployed without considering energy issues will encounter major problems related to network maintenance and operating costs, and ICT has been a recent area of interest with respect to saving energy. Sensor networks/ad...
Today, Social Network Services (SNS) has become a part of our life. People can easily publish their own media contents or share ready-made media contents. However, traditional media content sharing is based on the centralized server system. People living in countryside which is far from server farm branch for those services always need to access overseas server to view media contents. To overcome...
The Smart u-Learning System is designed to provide an interactive and social learning environment that accommodates emerging devices. This demonstration will show how teachers and students can use its interactivity and social features in live lecture situations.
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