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Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises最新文献

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Intranet security framework based on short-lived certificates 基于短期证书的内网安全框架
Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises Pub Date : 1997-06-18 DOI: 10.1109/ENABL.1997.630819
Yung-Kao Hsu, Stephen P. Seymour
{"title":"Intranet security framework based on short-lived certificates","authors":"Yung-Kao Hsu, Stephen P. Seymour","doi":"10.1109/ENABL.1997.630819","DOIUrl":"https://doi.org/10.1109/ENABL.1997.630819","url":null,"abstract":"This paper describes an intranet security framework based on public key cryptography. It uses short-lived certificates to avoid and eliminate costly and difficult key management issues in the typical X.509 authentication framework. Specifically, it loosens the tightly coupled relationship between the security components and the application. Operationally, the framework creates the tasks of entity registration and certification so that certificates can be efficiently and securely delivered to the client. The result is a scalable and cost-effective security solution for intranet applications.","PeriodicalId":334410,"journal":{"name":"Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122224912","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
How role based access control is implemented in SESAME 基于角色的访问控制在SESAME中是如何实现的
Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises Pub Date : 1997-06-18 DOI: 10.1109/ENABL.1997.630828
M. Vandenwauver, R. Govaerts, J. Vandewalle
{"title":"How role based access control is implemented in SESAME","authors":"M. Vandenwauver, R. Govaerts, J. Vandewalle","doi":"10.1109/ENABL.1997.630828","DOIUrl":"https://doi.org/10.1109/ENABL.1997.630828","url":null,"abstract":"The authors share their experiences with implementing a scheme that enforces role-based access control in a distributed heterogeneous computing environment. This work was done in the framework of the EC RACE project SESAME (Secure European System in A Multivendor Environment). The SESAME project relies on the work done by ECMA (European Computer Manufacturers Association) to represent the credentials of the users, and it fully supports a GSS (group support system) API to help the application developers. We conclude that enforcing such a scheme is realistic and that writing applications that benefit from the advantages of role-based access control is very feasible. We have built several demonstration applications.","PeriodicalId":334410,"journal":{"name":"Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114324900","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
The Web as a learning environment 网络作为一个学习环境
Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises Pub Date : 1997-06-18 DOI: 10.1109/ENABL.1997.630836
Margaret Driscoll, R. Thomson
{"title":"The Web as a learning environment","authors":"Margaret Driscoll, R. Thomson","doi":"10.1109/ENABL.1997.630836","DOIUrl":"https://doi.org/10.1109/ENABL.1997.630836","url":null,"abstract":"This paper explores the economic, technical, and educational issues related to designing Symposium/sup TM/, a Web-based training delivery environment. In response to these demands, Symposium/sup TM/, a virtual classroom environment on the Web, has been created to provide live instructor-led real-time audio, and access to the vast resources of the Web. This form for Web-based training is distinguished by the tools provided to the instructor and the learners, and the educational characteristics of the learning experience.","PeriodicalId":334410,"journal":{"name":"Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126186190","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
Design of the Interactive Sharing Transfer Protocol 交互式共享传输协议的设计
Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises Pub Date : 1997-06-18 DOI: 10.1109/ENABL.1997.630805
R. Waters, David B. Anderson, Derek L. Schwenke
{"title":"Design of the Interactive Sharing Transfer Protocol","authors":"R. Waters, David B. Anderson, Derek L. Schwenke","doi":"10.1109/ENABL.1997.630805","DOIUrl":"https://doi.org/10.1109/ENABL.1997.630805","url":null,"abstract":"The Interactive Sharing Transfer Protocol (ISTP) supports the sharing of information about a virtual world among a group of processes. The key advantages of ISTP are that it supports: near real-time interaction among users; the communication of every kind of information required in a virtual world; and scalability to large numbers of users and large virtual worlds. ISTP was developed in the context of the Spline platform for distributed virtual environments (DVEs).","PeriodicalId":334410,"journal":{"name":"Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115580343","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: 40
Workshop On Distance Learning 远程教育工作坊
Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises Pub Date : 1997-06-18 DOI: 10.1109/ENABL.1997.630832
S. Fukuda
{"title":"Workshop On Distance Learning","authors":"S. Fukuda","doi":"10.1109/ENABL.1997.630832","DOIUrl":"https://doi.org/10.1109/ENABL.1997.630832","url":null,"abstract":"Distance learning is not a topic related to education alone. To achieve collaborative work to a full extent, we must bring people closer together across domains, national boundaries, etc., and narrow the distance lying between them - not only physically but also mentally. The concept and the systems of distance learning can be easily extended to generic collaborative work support over the network. In fact, distance learning is moving toward a direction in which participants can enjoy full interactions and can produce something which one person could not create by himself or herself alone. So it is no longer just a tool for passing knowledge or experience to the younger generation or to non-experts. It is quickly becoming a tool to produce new knowledge and experience. Thus, teamworking is also called for even in distance learning. This workshop consisted of eight presentations (six are published here). It was not intended to help us arrive at specific conclusions, but rather to provide a forum for exchanging experiences, disseminating ideas, and searching for new directions. Thanks to very active participants, we had a lot of discussions - both deep and wide. The results of the discussions are included at the end of this section.","PeriodicalId":334410,"journal":{"name":"Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises","volume":"66 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116655193","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
A multi-agent system for distributed information retrieval on the World Wide Web 万维网上分布式信息检索的多智能体系统
Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises Pub Date : 1997-06-18 DOI: 10.1109/ENABL.1997.630796
K. Clark, V. Lazarou
{"title":"A multi-agent system for distributed information retrieval on the World Wide Web","authors":"K. Clark, V. Lazarou","doi":"10.1109/ENABL.1997.630796","DOIUrl":"https://doi.org/10.1109/ENABL.1997.630796","url":null,"abstract":"In this paper a novel approach concerned with the general framework of information management, is presented. We use a Multi-Agent system to cope with the problem of distributed information retrieval. The distributed information retrieval task deals with the collection of information from multiple and usually heterogeneous information sources that exist in a distributed environment, which in our case is the world wide web.","PeriodicalId":334410,"journal":{"name":"Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120984843","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
Boundaries, awareness and interaction in collaborative virtual environments 协作虚拟环境中的边界、意识和交互
Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises Pub Date : 1997-06-18 DOI: 10.1109/ENABL.1997.630813
C. Greenhalgh, S. Benford
{"title":"Boundaries, awareness and interaction in collaborative virtual environments","authors":"C. Greenhalgh, S. Benford","doi":"10.1109/ENABL.1997.630813","DOIUrl":"https://doi.org/10.1109/ENABL.1997.630813","url":null,"abstract":"This paper is concerned with how collaborative virtual environments can be structured in order to enable greater scalability and yet maintain a richness of communication. Based on a survey of current work in this area a number of important issues and design criteria are drawn out. In this context a recent extension to the spatial model of interaction called third party objects is described which can be used to develop a variety of spatial structures which have different effects on mutual awareness and communication. These structures include nested regions and zones, dynamic data districts and potentially mobile crowds of participants. The paper also discusses how these structures can be exploited by an underlying network architecture based on a dynamically evolving hierarchy of multicast groups and describes the MASSIVE-2 system which implements it.","PeriodicalId":334410,"journal":{"name":"Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132824485","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: 48
Reliability, scalability and robustness issues in IRI IRI中的可靠性、可扩展性和健壮性问题
Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises Pub Date : 1997-06-18 DOI: 10.1109/ENABL.1997.630834
E. Al-Shaer, A. Youssef, H. Abdel-Wahab, K. Maly, Michael Overstreet
{"title":"Reliability, scalability and robustness issues in IRI","authors":"E. Al-Shaer, A. Youssef, H. Abdel-Wahab, K. Maly, Michael Overstreet","doi":"10.1109/ENABL.1997.630834","DOIUrl":"https://doi.org/10.1109/ENABL.1997.630834","url":null,"abstract":"Over the past two years, we have used the IRI (Interactive Remote Instruction) system to teach several live interactive classes with students in different cities. While this system is a prototype-we are using it to better understand both system performance requirements and what tools can be effective for remote instruction and how to use them we have used it repeatedly to teach regularly scheduled for credit university classes. This repeated use has resulted in significant improvements in IRI's functionality, but its evaluative use in real classrooms situations has required that we address significant scalability, reliability, and robustness issues. We discuss features of IRI's software architecture and basic functionality motivated by these scalability and reliability issues.","PeriodicalId":334410,"journal":{"name":"Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127458760","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: 10
Internet and intranet usage in a communications infrastructure for virtual construction project teams 在虚拟建设项目团队的通信基础设施中使用Internet和intranet
Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises Pub Date : 1997-06-18 DOI: 10.1109/ENABL.1997.630790
C. Anumba, A. Duke
{"title":"Internet and intranet usage in a communications infrastructure for virtual construction project teams","authors":"C. Anumba, A. Duke","doi":"10.1109/ENABL.1997.630790","DOIUrl":"https://doi.org/10.1109/ENABL.1997.630790","url":null,"abstract":"Construction project teams are virtual enterprises which often comprise several disciplines, are usually non-collocated, and collaborate for relatively short periods in the design and construction of facilities. It is important for effective collaboration within such project teams that an appropriate and efficient communications infrastructure is established. This paper is concerned with the usage of Internet and intranet technologies in a collaborative communications infrastructure for construction project teams, within the context of the European project CICC (Collaborative Integrated Communications for Construction). It describes how these technologies have been applied to people and information retrieval, project team communications, progress monitoring and publicity. A pilot project on which the performance of the communications infrastructure is being evaluated is also included.","PeriodicalId":334410,"journal":{"name":"Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises","volume":"149 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115574526","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
An infrastructure for collaborative teleteaching 协作远程教学的基础设施
Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises Pub Date : 1997-06-18 DOI: 10.1109/ENABL.1997.630837
K. Franze, O. Neumann, A. Schill, Sandra Stöcker
{"title":"An infrastructure for collaborative teleteaching","authors":"K. Franze, O. Neumann, A. Schill, Sandra Stöcker","doi":"10.1109/ENABL.1997.630837","DOIUrl":"https://doi.org/10.1109/ENABL.1997.630837","url":null,"abstract":"Teleteaching is a typical application of collaborative environments. As a basis for implementing teleteaching scenarios, sophisticated distributed software platforms and advanced networking facilities are required. This paper presents such an infrastructure and discusses recent results with its experimental use. In addition to key technological issues such as multimedia information management and distribution, important other aspects of collaborative work are discussed in this context; examples are user interaction, content provision, and acceptance of given solutions. Evaluating the experiences with this collaborative environment, an extended, Java-based environment for advanced teleteaching scenarios has been designed. The paper discusses its architecture and components and gives an outlook to future implementation and evaluation tasks.","PeriodicalId":334410,"journal":{"name":"Proceedings of IEEE 6th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115308589","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
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