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Home Network System (HNS) is a system which provides value-added services by orchestrating household appliances and sensors. In previous work, we have proposed Cloud HNS, which is a new type of HNS based on the concept of Cloud. In this research, we propose IRaaS (Infrared as a Service) that realizes networking control of household appliances controlled by infrared signal, as a Cloud HNS’s appliance...
To achieve efficient presence sensing within home network system (HNS), an inexpensive and elastic system that can be shared by various HNS applications is required. This paper presents Presence Sensor Service Framework, which can uniformly manage presence information in various places using various types of sensors. The framework consists of Presence Sensor Device (PSD), Presence Sensor Terminal...
Managing a home server within individual house is a major obstacle to practical use of home network system (HNS). Delegating the home server to a cloud is a promising approach. However, the conventional multitenant SaaS-based solution has the following risks among different households: security/privacy violation, failure propagation and insufficient resource demand. In this paper, we propose a novel...
We have been studying Cloud HNS, which is a new type of home network system using the cloud. In this paper, we consider value-added services that can be provided by introducing a smart TV as an appliance of Cloud HNS. First, we discuss requirements, role and benefits of a smart TV in the integration with Cloud HNS. Then, we propose concrete scenarios of value-added services achieved by the integration.
We have been studying log contexts using large-scale house log collected in home network system (HNS). A log context is defined with both the current and past situations of a house, where the current situation is characterized by the current status of an appliance (or a sensor), while the past situations are derived from the house log. In this paper, we propose context-aware services for smart TVs...
Smart city provides various value-added services by collecting large-scale data from houses and infrastructures within a city. However, it takes a long time for individual applications to use and process the large-scale raw data directly. To reduce the response time, we use the concept of materialized view of database. For a given requirement of an application, the proposed method constructs a materialized...
Visualizing energy consumption is a useful method that prompts people to perform energy-saving behaviors. Many systems for the energy visualization come onto the market. Since purposes and attitudes to energy saving vary among individuals, it is difficult to satisfy all users by static ready-made visualization. To cope with the problem, this paper presents Personalized Energy Visualization Service...
Smart city is a next-generation city planning. In the smart city, some value-added services such as energy saving and optimization of traffic are provided using wide variety of logs collected from various appliances and sensors. We are currently developing a smart city platform, called Scallop4SC, which supports collecting and processing the extremely large-scale log data. This system stores variety...
In the smart city environment, a wide variety of data are collected from sensors and devices to achieve value-added services. In this paper, we especially focus on data taken from smart houses in the smart city, and propose a platform, called Scallop4SC, that stores and processes the large-scale house data. The house data is classified into log data or configuration data. Since the amount of the log...
We have been developing a hands-free voice controller for a home network system (HNS) by using microphone arrays. In our current implementation, however, all human-HNS interactions are performed by voice only. Hence, the interactions tend to be mechanical, dreary and uninformative. To achieve richer interactions, we try to introduce the virtual agent technology as a feedback interface of the HNS....
The human interface devices for the home network system (HNS) should be flexible enough to reflect individual preferences and lifestyles of home users. To fill the requirement, this paper presents a novel framework that enables Personal Home Controllers (PHC) on smartphones. The proposed framework is designed so that a user can freely design screen layouts with buttons and pictures, and can define...
When multiple sensor-driven services are deployed in the same environment, execution of a service may trigger other services, successively. Such chain reactions of services often cause undesirable feature interactions. This paper presents a framework that can characterize and detect the service chains within the home network system (HNS). We first introduce the ECA rules to describe the services,...
The sensor as a service is an emerging application of the services computing. However, how to implement such sensor services efficiently and reliably is an open issue. This paper presents an application framework, called Sensor Service Framework (SSF), that supports developers to build and deploy sensor services in the home network system (HNS). The SSF prescribes device-neutral features and APIs...
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