WebMedia and LA-Web, 2004. Proceedings

15-15 Oct. 2004

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  • Proceedings. WebMedia & LA-Web 2004

    Publication Year: 2004
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  • WebMedia & LA-Web 2004 Joint Conference 10th Brazilian Symposium on Multimedia and the Web 2nd Latin American Web Congress

    Publication Year: 2004, Page(s): 0_2
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  • [Blank page]

    Publication Year: 2004, Page(s): 0_3
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  • WebMedia & LA-Web 2004

    Publication Year: 2004, Page(s): 0_4
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  • Copyright

    Publication Year: 2004, Page(s): 0_5
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  • Table of contents

    Publication Year: 2004, Page(s):0_6 - 0_7
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  • Message from the General Chairs

    Publication Year: 2004, Page(s): 0_8
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  • Preface

    Publication Year: 2004, Page(s): 0_9
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  • Organizing Committee

    Publication Year: 2004, Page(s): 0_10
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  • Program Committee

    Publication Year: 2004, Page(s):0_11 - 0_12
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  • Reviewers

    Publication Year: 2004, Page(s):0_13 - 0_14
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  • A hierarchical characterization of user behavior

    Publication Year: 2004, Page(s):2 - 9
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (811 KB) | HTML iconHTML

    Understanding the characteristics of Internet services workloads is a crucial step to improve the quality of service offered to Web users. This work presents a hierarchical and multiple time scale approach based on (Menasce et al., 2003), which propose a characterization at the session, function, and request levels. This work extends it, adding insights to these three levels and characterizing a l... View full abstract»

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  • Scheduling algorithms for Web crawling

    Publication Year: 2004, Page(s):10 - 17
    Cited by:  Papers (13)  |  Patents (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (503 KB) | HTML iconHTML

    This paper presents a comparative study of strategies for Web crawling. We show that a combination of breadth-first ordering with the largest sites first is a practical alternative since it is fast, simple to implement, and able to retrieve the best ranked pages at a rate that is closer to the optimal than other alternatives. Our study was performed on a large sample of the Chilean Web which was c... View full abstract»

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  • A quality of service framework for tele-medicine applications

    Publication Year: 2004, Page(s):18 - 20
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (84 KB) | HTML iconHTML

    Research reported in this paper presents the design principles, the services and the proposed architecture for a QoS provisioning and management framework. An experimental implementation and the measurements evaluating the QoS provided using different DiffServ mechanisms are also discussed. The research reported here relates to infraVlDA development scenario, a telemedicine system that intends to ... View full abstract»

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  • Dynamic invocation of replicated Web services

    Publication Year: 2004, Page(s):22 - 29
    Cited by:  Patents (4)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (422 KB) | HTML iconHTML

    This paper presents a framework for dynamic invocation of geographically replicated Web services. The framework implements a transparent invocation process, based on different server selection policies, which aims at reducing service response time at the client side. Preliminary experimental results, obtained in a real-world Internet setting, show that, in addition to the individual capacity of ea... View full abstract»

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  • WebComposer: a tool for the composition and execution of Web service-based workflows

    Publication Year: 2004, Page(s):30 - 37
    Cited by:  Papers (4)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (301 KB) | HTML iconHTML

    We present the WebComposer tool for the automatic composition and execution of Web service-based workflows. We use ontologies to describe and browse workflows. We associate messages and operations with workflow domain concepts using WSDL extensibility. The automatic workflow implementation through WebComposer enables the full separation of the workflow logic and the implementation technology. WebC... View full abstract»

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  • Software engineering documentation: an ontology-based approach

    Publication Year: 2004, Page(s):38 - 40
    Cited by:  Papers (8)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (218 KB) | HTML iconHTML

    The number of artifacts used and generated by the software development process can be meaningful. However, as specifications evolve towards source code, the connection between them is often lost transforming software maintenance into a difficult and time-consuming task, further hindered by the lack of good documentation. To help organize generated artifacts and maintain a historical overview of th... View full abstract»

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  • Using multimedia content in intelligent mobile services

    Publication Year: 2004, Page(s):41 - 43
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (272 KB) | HTML iconHTML

    This work presents a demonstration application where multimedia messaging service (MMS) was used to create a pervasive museum guide system. We present the framework to create a context-aware mobile application and show the importance of using multimedia content and commercially available infrastructures. View full abstract»

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  • A Web service approach for providing context information to CSCW applications

    Publication Year: 2004, Page(s):46 - 53
    Cited by:  Papers (4)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (318 KB) | HTML iconHTML

    To tackle the demand for support in building CSCW applications, one approach has been the provision of reusable components and infrastructures. Regarding the need by CSCW applications to use context information to adapt their services according to users' and groups' needs, the literature has reported on the provision of models and associated implementations allowing applications to represent, shar... View full abstract»

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  • An infrastructure for providing communication among users of virtual cultural spaces

    Publication Year: 2004, Page(s):54 - 61
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (373 KB) | HTML iconHTML

    Nowadays there exist several cultural spaces in the Internet and some of the real museums have been using it as an extension of their walls. A virtual cultural space can present to visitors any kind of artistic manifestation represented in a digital format. We propose a multiagent architecture used to enhance communication in cultural environments. Our proposal is based on a 3D environment where u... View full abstract»

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  • A middleware to increase awareness in distributed software development workspaces

    Publication Year: 2004, Page(s):62 - 64
    Cited by:  Papers (4)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (426 KB) | HTML iconHTML

    Distributed software development characterizes software production when team members are dispersed over time and distance. Several environments and tools are being developed to support this trend. Better communication and awareness support are some of the requirements. We argue that the available tools can be enhanced instead of replaced. This work presents a middleware for collaborative applicati... View full abstract»

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  • VersionWeb: a tool for open source software development support

    Publication Year: 2004, Page(s):65 - 67
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (274 KB) | HTML iconHTML

    The amount of communities dedicated to software development has grown up stimulated by the support provided by Internet. Although the Web freedom has its benefits, the communities face lack of organization and privacy when using versions control systems. This paper proposes functional increments in a tool that tackle the requirements of providing access control and different types of users and con... View full abstract»

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  • An ontology-driven architecture for flexible workflow execution

    Publication Year: 2004, Page(s):70 - 77
    Cited by:  Papers (7)  |  Patents (3)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (265 KB) | HTML iconHTML

    Workflow management systems usually interpret a workflow definition rigidly. However, there are real life situations where users should be allowed to deviate from the prescribed static workflow definition for various reasons, including lack of information and unavailability of the required resources. To flexibilize workflow execution, this paper proposes mechanisms that allow execution to proceed ... View full abstract»

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  • Integrating semantic concept similarity in model-based Web applications

    Publication Year: 2004, Page(s):78 - 85
    Cited by:  Papers (2)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (292 KB) | HTML iconHTML

    Model-based design methods, and model-based architectures, have gained adoption in authoring applications for the WWW. This is further reinforced by the increasing visibility of the semantic Web, where models are intrinsic, described as metadata associated with the data made available to users and applications. Several proposals attempt to leverage this additional information to improve search fun... View full abstract»

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  • Engineering Web applications with XML and XSLT

    Publication Year: 2004, Page(s):86 - 93
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (195 KB) | HTML iconHTML

    wVIEW is an automated system for generating Web applications that relies extensively on document representations and transformations. wVIEW adopts the widely accepted hypermedia design principle that content, navigation, and presentation are separate concerns. Each of these aspects of the design process is controlled by separate declarative specifications. Only the first specification, the content... View full abstract»

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