Editorial 2012 IEEE : Institute of Electrical and Electronics Engineers
Message from WEISS-12 workshop chairs
WEISS-12ワークショップ委員長からのメッセージ
Jing Chen, Ian McLoughlin, Hsung Pin Chang, Da Wei Chang, Mei Ling Chiang, Yeh Ching Chung, Li Chi Feng, Kaori Fujinami, Zonghua Gu, Bin Guo, Seongsoo Hong, Fahim Kawsar, Taehyoun Kim, Giusy Di Lorenzo, Yann Han Lee, Douglas Maskell, Alejandro Masrur, Tatsuo Nakajima, Koji Nakano, Yunheung Paek & 5 others
【抄録】Presents the welcome message from the conference proceedings.
【抄録日本語訳】会議録からウェルカムメッセージを紹介します。
Article 2010 5 Springer
A portable toolkit for supporting end-user personalization and control in context-aware applications
A smart object centric indoor location model for future ubiquitous and grid services
将来のユビキタスおよびグリッドサービスのためのスマートオブジェクト中心の屋内位置モデル
Fahim Kawsar, Kaori Fujinami, Jong Hyuk Park, Tatsuo Nakajima, Jeong Bae Lee, Kee Wook Rim Journal of Internet Technology
【抄録】One of the primary requirements for future ubiquitous environment is to exploit location information to provide contextual services. Typical indoor location systems are heavily infra-structured making it difficult to deploy practically in home settings. In this article we propose a lightweight location model utilizing existing physical objects in our environment. Our approach is to use sensor augmented daily life objects surrounding us for extracting location information. Some of these everyday objects are static in nature and have designated location, like a bed in the bedroom, a refrigerator in the kitchen, etc. Utilizing this characteristics, we present "Spreha", a light weight hierarchical location model where static physical objects are used as reference points for identifying mobile objects like a chair, a watch, a lamp, etc. The model is organized in a tree structure representing the containment relationship and is independent of underlying sensing infrastructure. A prototype implementation of the model has been constructed as a pluggable module of a generic middleware using Bluetooth technology. This paper discusses about the design, architecture and findings of the prototype implementation. The implication of such lightweight location model is very important in realizing future environments where ubiquitous services will merge with grid services.
Prottoy middleware platform for smart object systems(Last author)
スマートオブジェクトシステム用ミドルウェアプラットフォーム Prottoy
Fahim Kawsar, Kaori Fujinami, Tatsuo Nakajima International Journal of Smart Home
【抄録】This paper presents a middleware platform, Prottoy for the development of smart object systems. A smart object has some specific characteristics e.g., augmentation variation, perceptual feedback provision, push-pull model, etc. In addition a smart object could be stand-alone, co-operative or associated with an external application. Generic pervasive middlewares have no clean support for accommodating all these characteristics of smart objects. Prottoy is designed by carefully observing the characteristics of smart objects and it has taken a core-cloud approach to represent them digitally. A smart object's common functional features are combined together as a generic core and a collection of supplementary service profiles represents the cloud that can be plugged-in atop the core. Application developers are offered unified interfaces to interact bi-directionally (senseactuate) with the underlying smart objects isolating access issues completely regardless of the smart objects' types and properties. Prottoy's hybrid architecture allows a smart object to be stand-alone, co-operative or a part of an application. The benefit of our approach is twofold. Firstly, the core-cloud artefact framework provides a lucid representation of smart object that accommodates its specific features leading to a generic smart object model. Secondly, Prottoy allows rapid development of smart object systems by providing unified interfaces with high-level abstractions. In this paper, we discuss the background, technical details and the qualitative evaluation of Prottoy.
Conference Paper 2008 ACM:Association for Computing Machinery
Deploy spontaneously: Supporting end-users in building and enhancing a smart home
自発的にデプロイする。エンドユーザによるスマートホームの構築と拡張の支援
Fahim Kawsar, Tatsuo Nakajima, Kaori Fujinami
【抄録】This paper explores system issues for involving end users in constructing and enhancing a smart home. In support of this involvement we present an infrastructure and a tangible deployment tool. Active participation of users is essential in a domestic environment as it offers simplicity, greater usercentric control, lower deployment costs and better support for personalization. Our proposed infrastructure provides the foundation for end user deployment utilizing a loosely coupled framework to represent an artefact and its augmented functionalities. Pervasive applications are built independently and are expressed as a collection of functional tasks. A runtime component, FedNet maps these tasks to corresponding service provider artefacts. The tangible deployment tool uses FedNet and allows end users to deploy and control artefacts and applications only by manipulating RFID cards. Primary advantages of our approach are two-fold. Firstly, it allows end users to deploy ubicomp systems easily in a Do-it-Yourself fashion. Secondly, it allows developers to write applications and to build augmented artefacts in a generic way regardless of the constraints of the target environment. We describe an implemented prototype and illustrate its feasibility in a real life deployment session by the end users. Our study shows that the end users might be involved in deploying future ubicomp systems if appropriate tools and supporting infrastructure are provided. Copyright 2008 ACM.
Experiences with building intelligent environment through sentient artefacts(Last author)
感覚的人工物による知的環境構築の経験
Fahim Kawsar, Kaori Fujinami, Tatsuo Nakajima
【抄録】Sentient artefacts are everyday objects augmented with digital services. Being the building blocks of our surroundings, these artefacts can incrementally integrate computing into environment and can convert it into an intelligent one economically. In this paper, we report our experiences with sentient artefacts to rationalize intelligent environment. We discuss the design principles of sentient artefacts and present a sensor selection framework to convert a regular artefact into a sentient one. In addition, we discuss the application development guideline and lessons that we have learnt through prototyping sentient artefacts and proactive applications.