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Integrated support for handoff management and context awareness in heterogeneous wireless networks 异构无线网络中对切换管理和上下文感知的集成支持
workshop on Middleware for Pervasive and Ad-hoc Computing Pub Date : 2005-11-28 DOI: 10.1145/1101480.1101495
P. Bellavista, M. Cinque, Domenico Cotroneo, L. Foschini
{"title":"Integrated support for handoff management and context awareness in heterogeneous wireless networks","authors":"P. Bellavista, M. Cinque, Domenico Cotroneo, L. Foschini","doi":"10.1145/1101480.1101495","DOIUrl":"https://doi.org/10.1145/1101480.1101495","url":null,"abstract":"The overwhelming success of mobile devices and wireless communications is stressing the need for the development of mobility-aware services. Device mobility requires services adapting their behavior to sudden context changes and being aware of handoffs, which introduce unpredictable delays and intermittent discontinuities. Heterogeneity of wireless technologies (Wi-Fi, Bluetooth, 3G) complicates the situation, since a different treatment of context-awareness and handoffs is required for each solution. This paper presents a middleware architecture designed to ease mobility-aware service development. The architecture hides technology-specific mechanisms and offers a set of facilities for context awareness and handoff management. The architecture prototype works with Bluetooth and Wi-Fi, which today represent two of the most widespread wireless technologies. In addition, the paper discusses motivations and design details in the challenging context of mobile multimedia streaming applications.","PeriodicalId":364168,"journal":{"name":"workshop on Middleware for Pervasive and Ad-hoc Computing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128757895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 27
A context-aware middleware for multimodal dialogue applications with context tracing 一个上下文感知中间件，用于具有上下文跟踪的多模式对话应用程序
workshop on Middleware for Pervasive and Ad-hoc Computing Pub Date : 2005-11-28 DOI: 10.1145/1101480.1101486
Manh-Thang Tran, B. Hirsbrunner, M. Courant
{"title":"A context-aware middleware for multimodal dialogue applications with context tracing","authors":"Manh-Thang Tran, B. Hirsbrunner, M. Courant","doi":"10.1145/1101480.1101486","DOIUrl":"https://doi.org/10.1145/1101480.1101486","url":null,"abstract":"This paper presents a context-aware middleware for multimodal dialogue applications. The middleware has the context tracing feature, which is the possibility of the middleware to explain why and how a situation occurs (or occurred). The middleware consists of several agents communicating with each other and an ontology is used to describe various concepts such as resources, situations, plans, structure of context history, and data to be exchanged between the agents.","PeriodicalId":364168,"journal":{"name":"workshop on Middleware for Pervasive and Ad-hoc Computing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115450463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Sensor bean: a component platform for sensor-based services 传感器bean:用于基于传感器的服务的组件平台
workshop on Middleware for Pervasive and Ad-hoc Computing Pub Date : 2005-11-28 DOI: 10.1145/1101480.1101492
C. Marín, Mikael Desertot
{"title":"Sensor bean: a component platform for sensor-based services","authors":"C. Marín, Mikael Desertot","doi":"10.1145/1101480.1101492","DOIUrl":"https://doi.org/10.1145/1101480.1101492","url":null,"abstract":"Sensor-based services propose to gather, manage, analyze, access and react to sensor data. These services are distributed over heterogeneous platforms. The complexity of the implementation of such services requires software engineering tools to relieve the architect and the developer who are often business experts and not technologies experts. Our proposal relates to the definition of a component model dedicated to the development of SBS, called Sensor Bean. Sensor Bean differs from the usual components models by its service orientation and dynamic architecture and the introduction of data-centric connectors well adapted to measurement flows. This proposal is validated by a prototype coupling OSGi and J2EE and by a first component container for OSGi gateways.","PeriodicalId":364168,"journal":{"name":"workshop on Middleware for Pervasive and Ad-hoc Computing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126177347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
Managing the follow-me semantics to build large-scale pervasive applications 管理follow-me语义，以构建大规模的普及应用程序
workshop on Middleware for Pervasive and Ad-hoc Computing Pub Date : 2005-11-28 DOI: 10.1145/1101480.1101484
Iara Augustin, A. Yamin, C. Geyer
{"title":"Managing the follow-me semantics to build large-scale pervasive applications","authors":"Iara Augustin, A. Yamin, C. Geyer","doi":"10.1145/1101480.1101484","DOIUrl":"https://doi.org/10.1145/1101480.1101484","url":null,"abstract":"In this paper, we present the concept of follow-me semantics of the large-scale pervasive application and discuss the features and services to its implementation based on the integration of three computing fields: mobile, context-aware and grid computing. We also discuss the adopted context-aware adaptation model, main feature embedded in both applications and middleware design, to allow the wide physical and logical mobility.","PeriodicalId":364168,"journal":{"name":"workshop on Middleware for Pervasive and Ad-hoc Computing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121843765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Adaptive query processing in mobile environment 移动环境下的自适应查询处理
workshop on Middleware for Pervasive and Ad-hoc Computing Pub Date : 2005-11-28 DOI: 10.1145/1101480.1101494
H. Grine, T. Delot, S. Lecomte
{"title":"Adaptive query processing in mobile environment","authors":"H. Grine, T. Delot, S. Lecomte","doi":"10.1145/1101480.1101494","DOIUrl":"https://doi.org/10.1145/1101480.1101494","url":null,"abstract":"These last years, the evolution of nomadic terminals and mobile networks has yield to the development of the ubiquitous computing. In this context, actual query evaluation and optimization techniques in distributed databases based on the use of a global schema and a cost model are no more relevant. Furthermore, a query processor deployed in this type of environment must face a significant heterogeneity, in particular mobile terminals, communication networks and different data sources. In order to cope with this heterogeneity, such service should have the capability to adapt itself dynamically. In this paper, we describe the problems related to query processing in mobile environment and the needs for adaptability.","PeriodicalId":364168,"journal":{"name":"workshop on Middleware for Pervasive and Ad-hoc Computing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125055974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 18
Evolutionary and efficient context management in heterogeneous environments 异构环境中的进化和有效的上下文管理
workshop on Middleware for Pervasive and Ad-hoc Computing Pub Date : 2005-11-28 DOI: 10.1145/1101480.1101487
R. Rocha, M. Endler
{"title":"Evolutionary and efficient context management in heterogeneous environments","authors":"R. Rocha, M. Endler","doi":"10.1145/1101480.1101487","DOIUrl":"https://doi.org/10.1145/1101480.1101487","url":null,"abstract":"Mobile computing and pervasive environments are mainly characterized by heterogeneity of devices, with different capabilities, resources, operating systems and applications. In a realistic scenario for context-aware computing, middleware should be deployable in the whole distributed system, despite device's resource limitations, and the developer should be able to evolve the context model when new context-aware applications or context providers are introduced. This paper discusses how context modeling and design of middleware architecture can impact on the efficiency of provision, distribution and access of context information in heterogeneous environments. This paper describes a middleware architecture and design strategies in order to address such requirements.","PeriodicalId":364168,"journal":{"name":"workshop on Middleware for Pervasive and Ad-hoc Computing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128394748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 28
An aspect-oriented ambient intelligence middleware platform 面向方面的环境智能中间件平台
workshop on Middleware for Pervasive and Ad-hoc Computing Pub Date : 2005-11-28 DOI: 10.1145/1101480.1101482
L. Fuentes, Daniel Jiménez
{"title":"An aspect-oriented ambient intelligence middleware platform","authors":"L. Fuentes, Daniel Jiménez","doi":"10.1145/1101480.1101482","DOIUrl":"https://doi.org/10.1145/1101480.1101482","url":null,"abstract":"Currently, the interest in Ambient Intelligence (or AmI) has increased exponentially due to the widespread use of portable devices. Users demand more and more functionality from these devices, especially in order to perform collaborative tasks and interchange information. As a result, this technology proposes new challenges that must be addressed by both the hardware manufacturers and Software Engineers. The first challenge is to provide a middleware platform providing specific AmI services like communication or device discovery and able to cope with several challenges posed by AmI applications. One of these challenges is to manage heterogeneity of devices that are present in AmI environments in a transparent way, and in particular to manage the evolution of such devices without breaking the code of already developed applications. Moreover, an AmI middleware platform has to support the evolution of the software architecture of AmI applications over time, making it possible to add new functionalities, to adapt applications to any technological changes, and to produce a product line of AmI platforms to be executed in different devices. A final challenge is that the middleware platform has to support the adaptation of AmI applications to unexpected and dynamic changes in AmI environments. Aspect Oriented Programming (AOP) provides good and advanced solutions to the evolution management problem at different levels, so our work focuses on applying AOP to develop an AmI platform. In this paper, we will discuss these problems, propose solutions and present how these problems are handled in our AmI aspect-oriented platform named AOPAmI. This paper describes the internal platform structure and how it provides support to AmI devices. We will focus on the dynamic nature of AmI applications and on how to solve the above mentioned problems.","PeriodicalId":364168,"journal":{"name":"workshop on Middleware for Pervasive and Ad-hoc Computing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123815225","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 19
A context-aware middleware for applications in mobile Ad Hoc environments 用于移动Ad Hoc环境中的应用程序的上下文感知中间件
workshop on Middleware for Pervasive and Ad-hoc Computing Pub Date : 2004-10-18 DOI: 10.1145/1028509.1028510
Carl-Fredrik Sørensen, Maomao Wu, Thirunavukkarasu Sivaharan, G. Blair, Paul M. Okanda, A. Friday, H. Duran-Limon
{"title":"A context-aware middleware for applications in mobile Ad Hoc environments","authors":"Carl-Fredrik Sørensen, Maomao Wu, Thirunavukkarasu Sivaharan, G. Blair, Paul M. Okanda, A. Friday, H. Duran-Limon","doi":"10.1145/1028509.1028510","DOIUrl":"https://doi.org/10.1145/1028509.1028510","url":null,"abstract":"Novel ubiquitous computing applications such as intelligent vehicles, smart buildings, and traffic management require special properties that traditional computing applications do not support, such as context-awareness, massive decentralisation, autonomous behaviour, adaptivity, proactivity, and innate collaboration. This paper presents a new computational model and middleware that reflect support for the required the properties. The sentient object model is proposed by the CORTEX<sup>1</sup> project to support the construction of ubiquitous applications. A flexible, run-time reconfigurable component-based middleware has been built to provide run-time support to engineer the sentient object programming paradigm. An application infrastructure using sentient objects to enable cooperation between autonomous and proactive vehicles has been implemented to demonstrate the appropriateness of the computational model and the validity of the middleware for pervasive mobile ad hoc computing.","PeriodicalId":364168,"journal":{"name":"workshop on Middleware for Pervasive and Ad-hoc Computing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129323818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 106
Collaborative backup for dependable mobile applications 为可靠的移动应用程序提供协作备份
workshop on Middleware for Pervasive and Ad-hoc Computing Pub Date : 2004-10-18 DOI: 10.1145/1028509.1028517
M. Killijian, D. Powell, M. Banâtre, P. Couderc, Y. Roudier
{"title":"Collaborative backup for dependable mobile applications","authors":"M. Killijian, D. Powell, M. Banâtre, P. Couderc, Y. Roudier","doi":"10.1145/1028509.1028517","DOIUrl":"https://doi.org/10.1145/1028509.1028517","url":null,"abstract":"We describe the work we are conducting on new middleware services for dependable and secure mobile systems. This work is based on approaches à la peer-to-peer in order to circumvent the problems introduced by the lack of infrastructure in self-organizing networks of mobile nodes, such as MANETs. The mechanisms we propose are based on collaboration between peer mobile devices to provide middleware services such as trust management and critical data storage. This short paper gives a brief description of the problems we are trying to solve and some hints and ideas towards a solution.","PeriodicalId":364168,"journal":{"name":"workshop on Middleware for Pervasive and Ad-hoc Computing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116495983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 33
Scooby: middleware for service composition in pervasive computing 用于普适计算中服务组合的中间件
workshop on Middleware for Pervasive and Ad-hoc Computing Pub Date : 2004-10-18 DOI: 10.1145/1028509.1028520
Jon Robinson, I. Wakeman, T. Owen
{"title":"Scooby: middleware for service composition in pervasive computing","authors":"Jon Robinson, I. Wakeman, T. Owen","doi":"10.1145/1028509.1028520","DOIUrl":"https://doi.org/10.1145/1028509.1028520","url":null,"abstract":"In this paper we argue for middleware languages that aid in service composition. We outline where such languages could be useful through the description of our current architecture, and describe what we believe are the key requirements of such a language. We outline the current state of our implementation, and conclude by describing what requirements are placed on service providers by such composition middleware.","PeriodicalId":364168,"journal":{"name":"workshop on Middleware for Pervasive and Ad-hoc Computing","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117153789","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 42
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