分布式情境感知分层模型设计与角色分析

doi:10.3969/j.issn.0372-2112.2012.08.012

电子学报

分布式情境感知分层模型设计与角色分析

叶剑, 李锦涛, 朱珍民

1. 中国科学院计算技术研究所, 北京 100190;
2. 移动计算与新型终端北京市重点实验室, 北京 100190

收稿日期:2011-11-11 修回日期:2012-02-13 出版日期:2012-08-25
- 作者简介:
- 叶剑 男,1974年6月生于山东济南.现任中国科学院计算技术研究所高级工程师.研究方向为普适计算,智能感知技术. E-mail:jye@ict.ac.cn 李锦涛 男,1962年3月生于湖南华容.现任中国科学院计算技术研究所副所长,研究员,博士生导师.研究方向为多媒体技术,视频检索,普适计算.E-mail:jtli@ict.ac.cn朱珍民男,1962年3月生于湖南慈利.现任中国科学院计算技术研究所正研级高级工程师.研究方向为普适计算,嵌入式系统. E-mail:zmzhu@ict.ac.cn
- 基金资助:
- 国家自然科学基金面上项目 (No.61070109); 国家863计划重点项目 (No.2009AA011902)

Hierarchical Distributed Context Awareness Model and Analysis on Roles

YE Jian, LI Jin-tao, ZHU Zhen-min

1. Institute of Computing Technology, Chinese Academy of Sciences, Beijing 100190, China;
2. Beijing Key Laboratory of Mobile Computing and New Devices, Beijing 100190, China

Received:2011-11-11 Revised:2012-02-13 Online:2012-08-25 Published:2012-08-25
- Supported by:
- National Natural Science Foundation of China (No.61070109); National High-tech R&D Program of China (863 Program) (No.2009AA011902)

摘要/Abstract

摘要： 情境感知是普适计算环境的本质特征之一.本文提出了一种面向分布式情境感知的分层模型,通过情境资源的空间划分,刻画了传感器到情境知识的逐层抽象的特质.同时,分层模型对情境感知系统中的角色及角色间的关系进行了有效规约.本文通过与经典的Context Toolkit模型比较,证明了分层模型的运行时负载低的优点;通过模型的主动性分析,验证了情境感知主动性对系统数据收发负载的正反比影响.分层模型将在分布式情境感知系统部署和配置中发挥重要作用.

关键词: 情境感知, 分层模型, 感知主动性

Abstract: Context awaress is one of the essential characteristics of the ubiquitous computing environment.Through the division of context space,this paper proposes a hierarchical distributed context awareness model which describes the layered abstraction from sensor data to context information.On the basis of the hierarchical model,this paper gives the detailed specification of the diversified roles of a context awareness system and the relationship between those roles.At the end of this paper,the simulation experiment is built to compare the proposed model with typical Context Toolkit model.The experiment shows that the proposed model has an advantage of lower runtime payload over the Context Toolkit model.Through the analysis on the activeness of the model,it is proved that the aware activeness is proportional to receiving data payload and inversely proportional to sending data payload.The hierarchical model which will play an important role in the configuration of a distributed context awareness system.

Key words: context awareness, hierarchical model, aware activeness

中图分类号:

TP302.7

叶剑, 李锦涛, 朱珍民. 分布式情境感知分层模型设计与角色分析[J]. 电子学报, DOI: 10.3969/j.issn.0372-2112.2012.08.012.

YE Jian, LI Jin-tao, ZHU Zhen-min . Hierarchical Distributed Context Awareness Model and Analysis on Roles[J]. Acta Electronica Sinica, DOI: 10.3969/j.issn.0372-2112.2012.08.012.

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[9] 刘业,杨鹏,等.适应自组织管理模式的P2P 资源共享网络激励模型的研究[J].电子学报,2006,34(11):2081-2084. LIU Ye,YANG Peng,LIU Lin feng,XIA Qin.An Incentive Model Adapted to SelfOrganizing Management Model for Resource Sharing in P2P Networks[J].Acta Electronica Sinica,2006,34(11):2081-2084.(in Chinese)

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分布式情境感知分层模型设计与角色分析

Hierarchical Distributed Context Awareness Model and Analysis on Roles

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