Proceedings of the 2005 International Symposium on Collaborative Technologies and Systems, 2005.最新文献

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Composing executable architectures from legacy simulations 从遗留模拟中组合可执行架构
J. Woodring
{"title":"Composing executable architectures from legacy simulations","authors":"J. Woodring","doi":"10.1109/ISCST.2005.1553284","DOIUrl":"https://doi.org/10.1109/ISCST.2005.1553284","url":null,"abstract":"Summary form only given. Visual simulation objects (VSO) is a collaborative architecture specification, design and execution toolkit that assists analysts in rapidly prototyping system designs and evaluating their dynamic performance. VSO uses a graphical simulation language to describe objects and their interactions. It can be used both for individual applications and in a collaborative development environment. VSO can translate architectures developed in a variety of languages, such as system architect, to VSO's format and execute them in a distributed environment using a built-in HLA interface. We demonstrate how two teams, initially working independently, can collaborate to build and execute a complex architecture and extract performance information from it. The first team translates an air operations center (AOC) model developed in system architect to VSO's format and executes it to determine its dynamic properties. The second team develops an executable architecture of time critical targeting (TCT), a U.S. Air Force war fighting function, in VSO. Working collaboratively, the two teams integrate their architectures in VSO via an HLA/RTI. The integrated architecture describes multiple simultaneously-executing target acquisitions, each of which sends a detection message to the AOC, and can be used to examine how AOC resources can be allocated to meet the targeting requests","PeriodicalId":283620,"journal":{"name":"Proceedings of the 2005 International Symposium on Collaborative Technologies and Systems, 2005.","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133536645","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: 0
Investigating the performance of audio/video service architecture I: single broker 调查音频/视频服务体系结构的性能I:单代理
A. Uyar, G. Fox
{"title":"Investigating the performance of audio/video service architecture I: single broker","authors":"A. Uyar, G. Fox","doi":"10.1109/ISCST.2005.1553303","DOIUrl":"https://doi.org/10.1109/ISCST.2005.1553303","url":null,"abstract":"Increasing network bandwidth and computing power provide new opportunities for videoconferencing systems over Internet. The number of homes and small offices with broadband Internet connections are increasing rapidly. Even cell phones have broadband Internet access in the near future. Therefore, it is not inconceivable to imagine that the trend in the increasing usage of videoconferencing systems continue by accelerating. This requires universally accessible and scalable videoconferencing systems that can deliver thousands of concurrent audio and video streams. However, developing videoconferencing systems over Internet is a challenging task, since audio and video distribution requires high bandwidth and low latency. Current videoconferencing systems such as IP-multicast and H.323 can not fully address the problem of scalability and universal accessibility. We propose service oriented architecture for videoconferencing, GlobalMMCS, and use an event brokering middleware, NaradaBrokering, to deliver real-time audio and video streams to high number of users. The performance of the event brokering network is critical to the success of this videoconferencing system. In this paper, we provide comprehensive analysis of a NaradaBrokering broker in the context of audio/video delivery. The results provide guidelines for the deployment of GlobalMMCS in particular, and they provide useful insights for the feasibility of using software based audio/video delivery systems in general","PeriodicalId":283620,"journal":{"name":"Proceedings of the 2005 International Symposium on Collaborative Technologies and Systems, 2005.","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131511969","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: 16
A scalable authorization approach for grid system environments 用于网格系统环境的可扩展授权方法
Jiageng Li
{"title":"A scalable authorization approach for grid system environments","authors":"Jiageng Li","doi":"10.1109/ISCST.2005.1553298","DOIUrl":"https://doi.org/10.1109/ISCST.2005.1553298","url":null,"abstract":"Grid computing has received widespread attention in recent years as a significant new research field. Yet to date, there has been only limited work on the problem of grid system authorization. In this paper, we address the authorization problem and propose a scalable solution for grid system environments. Our authorization approach is based on distributed authorization servers and extensions to the basic information service of a grid system. The goal is to provide a scalable authorization approach that is able to meet the requirements of a dynamic grid environment and overcomes the disadvantages found in existing authorization designs","PeriodicalId":283620,"journal":{"name":"Proceedings of the 2005 International Symposium on Collaborative Technologies and Systems, 2005.","volume":"134 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114176253","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: 0
Model checking the security of multi-protocol systems 多协议系统的安全性模型检验
M. Panti, L. Spalazzi, S. Tacconi, Francesco Pagliarecci
{"title":"Model checking the security of multi-protocol systems","authors":"M. Panti, L. Spalazzi, S. Tacconi, Francesco Pagliarecci","doi":"10.1109/ISCST.2005.1553299","DOIUrl":"https://doi.org/10.1109/ISCST.2005.1553299","url":null,"abstract":"Many security protocols have been shown to have serious design flaws, even a long time after their publication. For this reason, several automatic verification methods have been proposed. As far as we know, all these methods deal with the verification of mono-protocol systems. On the contrary, modern computer systems employ different security protocols in the same environment. In this paper, we present a methodology to automatically verify the security of multiprotocol systems based on model checking. We also describe its application to a multi-protocol system composed by SET (by VISA & Mastercard) and 2KP (by IBM)","PeriodicalId":283620,"journal":{"name":"Proceedings of the 2005 International Symposium on Collaborative Technologies and Systems, 2005.","volume":"221 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116200833","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: 5
Mobile peer-to-peer technology used to promote spontaneous collaboration 移动点对点技术用于促进自发协作
Alf Inge Wang, Carl-Fredrik Sørensen, Thomas Fossum
{"title":"Mobile peer-to-peer technology used to promote spontaneous collaboration","authors":"Alf Inge Wang, Carl-Fredrik Sørensen, Thomas Fossum","doi":"10.1109/ISCST.2005.1553293","DOIUrl":"https://doi.org/10.1109/ISCST.2005.1553293","url":null,"abstract":"Mobile devices have in the recent years been able to form peer-to-peer networks making it possible for people to share information and interact. This technology' makes it possible to create new tools that initiate and improve human collaboration. The paper presents experiences from creating a prototype for spontaneous collaboration, supported through the appliance of peer-to-peer applications on wireless mobile devices with the ability to form ad-hoc wireless networks. The paper gives an example of an application that promotes human collaboration by using peer-to-peer technology, and describes the technological challenges faced when implementing such applications. The paper reflects on some user tests that were carried out using this prototype","PeriodicalId":283620,"journal":{"name":"Proceedings of the 2005 International Symposium on Collaborative Technologies and Systems, 2005.","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131643477","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: 21
Self-service collaboration applications: a new paradigm in the development and deployment of collaborative environments 自助服务协作应用程序:协作环境开发和部署中的新范例
Scott S. F. Tse, Gene Moore, Sangeeta Narang
{"title":"Self-service collaboration applications: a new paradigm in the development and deployment of collaborative environments","authors":"Scott S. F. Tse, Gene Moore, Sangeeta Narang","doi":"10.1109/ISCST.2005.1553337","DOIUrl":"https://doi.org/10.1109/ISCST.2005.1553337","url":null,"abstract":"World-class organizations recognize that effective collaboration and teamwork is a source of competitive advantage. They seek to leverage technology to enable teams to work together more effectively. But as issues faced by distributed teams today become more information sensitive and change more rapidly, they also bring to life a new set of requirements for collaboration technology. These requirements cannot be addressed by traditional application development efforts, as their costs and long development cycles make them prohibitive. Nor can they be addressed adequately by general collaborative tools such as email and groupware. This paper introduces a new paradigm in developing and deploying collaboration applications for the more lightweight, task-oriented requirements that sometimes comprise the majority of a team's activities. It conjectures that in these situations, it is feasible, and in fact, necessary for end users, even without software training, to directly create and implement such applications themselves. This paper further outlines a new development framework to put this paradigm in action. And finally, this paper briefly discusses an ongoing project to enhance the Air Force's KnowledgeKineticstrade (K2 ) portal with a set of portlet design tools based on this framework","PeriodicalId":283620,"journal":{"name":"Proceedings of the 2005 International Symposium on Collaborative Technologies and Systems, 2005.","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131040365","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: 1
Multicast support for collaborative networking 多播支持协作网络
Lori A. Flynn, H. Dommel
{"title":"Multicast support for collaborative networking","authors":"Lori A. Flynn, H. Dommel","doi":"10.1109/ISCST.2005.1553318","DOIUrl":"https://doi.org/10.1109/ISCST.2005.1553318","url":null,"abstract":"Collaboration infrastructures are gradually coming of age, supporting real-time audio and video with a mixture of network core and edge based techniques to enable large-scale, multi-party communication. User participation in collaborative activities requires mechanisms to support dynamic group membership and maintenance of perpetually changing delivery topologies. In the past, multicast support has been studied within testbeds such as the MBone, and across overlay architectures. In this paper we tackle the problem of how network-native multicast can help to orchestrate the formation of virtual teams in group collaboration. We argue that user interaction can be understood as a series of constraint-driven information exchanges, for example by sharing objects based on access rights. A novel multicast protocol, limited core fix (LCF), is introduced to efficiently maintain multicast delivery trees among distributed work teams. LCF is a receiver-centric mechanism to support qualification-based multicast routing and performs more efficiently than comparable existing protocols","PeriodicalId":283620,"journal":{"name":"Proceedings of the 2005 International Symposium on Collaborative Technologies and Systems, 2005.","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116810278","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: 0
Advanced collaborative technologies supporting the 21st century warfighter in a network centric environment 先进的协同技术支持21世纪以网络为中心的作战环境
Gary A. Whitted, Mary E. Just
{"title":"Advanced collaborative technologies supporting the 21st century warfighter in a network centric environment","authors":"Gary A. Whitted, Mary E. Just","doi":"10.1109/ISCST.2005.1553340","DOIUrl":"https://doi.org/10.1109/ISCST.2005.1553340","url":null,"abstract":"The shift from industrial age technology to information age technology has thrust the 21st century warfighter into some of the toughest challenges faced thus far to protect this country. The solutions to these challenges are forcing the warfighter to assimilate and process vast amounts of information from a broad spectrum of domains. The global information grid (GIG) provides the global connectivity for the information to get to where it's needed, however the information need to be processed and converted to knowledge to empower the warfighter to succeed. Bringing this information together in a comprehensible fashion has driven the military to a new approach to warfare, a network-centric warfare (NCW) approach - also called network-centric operations & warfare (NCOW) by the air force community. This paper discusses recent collaboration technology research that is prototyping an advanced decision support environment (ADSE) that enable the warfighter to effectively use the vast amount of information that is available through the GIG to implement the NCOW approach for achieving successful military operations throughout the 21st century","PeriodicalId":283620,"journal":{"name":"Proceedings of the 2005 International Symposium on Collaborative Technologies and Systems, 2005.","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127877655","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: 3
A multiuser groupware calendar system based on agent tools and technology 基于代理工具和技术的多用户群件日历系统
A. Grosso, C. Vecchiola, M. Coccoli, A. Boccalatte
{"title":"A multiuser groupware calendar system based on agent tools and technology","authors":"A. Grosso, C. Vecchiola, M. Coccoli, A. Boccalatte","doi":"10.1109/ISCST.2005.1553306","DOIUrl":"https://doi.org/10.1109/ISCST.2005.1553306","url":null,"abstract":"In this paper MATT, a groupware calendar system (GCS), is presented. The MATT system provides users with a shared calendar service by preserving the right to the privacy and also by presenting features for arranging meetings automatically. The core of the proposed GCS system is a multiagent infrastructure. The shared calendar is managed automatically as well as the process of arranging meeting resulting in an effective tool. An advanced network management system allows MATT to be functional regardless if the connection is present or not","PeriodicalId":283620,"journal":{"name":"Proceedings of the 2005 International Symposium on Collaborative Technologies and Systems, 2005.","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115987797","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: 4
Collaborative approach for modeling and performing mobile software process components 用于建模和执行移动软件过程组件的协作方法
P. Tiako
{"title":"Collaborative approach for modeling and performing mobile software process components","authors":"P. Tiako","doi":"10.1109/ISCST.2005.1553292","DOIUrl":"https://doi.org/10.1109/ISCST.2005.1553292","url":null,"abstract":"Despite rapid changes in the modernization and evolution of software development processes, many organizations continue to work in a monolithic and isolated way. This article describes the concepts that constitute a viable foundation for mobile and geographically distributed software development: (1) process components that can travel in a network of companies: (2) development organizations that involve several teams; and (3) model of virtual companies that can support the modeling and performance of process components","PeriodicalId":283620,"journal":{"name":"Proceedings of the 2005 International Symposium on Collaborative Technologies and Systems, 2005.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131062886","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: 3
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