Proceedings Fourth IFCIS International Conference on Cooperative Information Systems. CoopIS 99 (Cat. No.PR00384)

2-4 Sept. 1999

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  • Proceedings Fourth IFCIS International Conference on Cooperative Information Systems. CoopIS 99 (Cat. No.PR00384)

    Publication Year: 1999
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    Freely Available from IEEE
  • Negotiating agents for corporate-wide business process management

    Publication Year: 1999, Page(s): 2
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (5 KB)

    Summary form only given, as follows. Traditional approaches to managing business processes are often inadequate for large-scale, organizationwide, dynamic settings. However with the explosion of electronic commerce applications, increasingly many business processes exhibit these properties. Therefore a new approach is needed. To this end, we describe the motivation, conceptualization, design and i... View full abstract»

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  • Models and tools for designing data-intensive web applications

    Publication Year: 1999, Page(s): 3
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (3 KB)

    Summary form only given, as follows. Data-intensive WEB applications, whose pages are automatically generated from large data sources, are becoming more and more relevant. Their design requires orthogonal abstractions, for the definition of the structure, derivation, navigation, composition, and presentation of WEB sites. While the abstractions for structure, derivation, and presentation of WEB si... View full abstract»

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  • Panel on Data Warehouse Quality Issues

    Publication Year: 1999, Page(s):8 - 9
    Cited by:  Papers (2)
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    Freely Available from IEEE
  • Web-based information access

    Publication Year: 1999, Page(s):10 - 20
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (81 KB)

    The need for friendly environments for effective information access is further enforced by the growth of the global Internet, which is causing a dramatic change in both the kind of people who access the information and the types of information itself (ranging from unstructured multimedia data to traditional record-oriented data). To cope with these new demands, the interaction techniques tradition... View full abstract»

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  • Detection of heterogeneities in a multiple text database environment

    Publication Year: 1999, Page(s):22 - 33
    Cited by:  Papers (2)  |  Patents (2)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (866 KB)

    As the number of text retrieval systems (search engines) grows rapidly on the World Wide Web, there is an increasing need to build search brokers (metasearch engines) on top of them. Often, the task of building an effective and efficient metasearch engine is hindered by the heterogeneities among the underlying local search engines. We first analyze the impact of various heterogeneities on building... View full abstract»

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  • A unified graph-based framework for deriving nominal interscheme properties, type conflicts and object cluster similarities

    Publication Year: 1999, Page(s):34 - 45
    Cited by:  Papers (10)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (385 KB)

    The availability of automatic tools for inferring semantics from database schemes is very relevant in designing large cooperative information system applications involving many information sources. Deriving semantics from existing data sources exploits properties of objects belonging to different input schemes (interscheme properties), such as synonymies, homonymies, type conflicts, and subscheme ... View full abstract»

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  • Access Keys Warehouse: a new approach to the development of cooperative information systems

    Publication Year: 1999, Page(s):46 - 56
    Cited by:  Papers (5)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (112 KB)

    We present and discuss a novel architectural approach supporting the integration among legacy information systems of autonomous organizations. It is based on the use of a data warehouse in a new conceptual role. Namely, we propose to use it during design and implementation of a cooperative information system as a tool supporting the coherence maintenance of the underlying databases and the efficie... View full abstract»

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  • Discovering view expressions from a multi-source information system

    Publication Year: 1999, Page(s):57 - 68
    Cited by:  Papers (9)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (92 KB)

    A Multi-Source Information System is composed of a set of independent data sources and a set of views defined as queries over these data sources. This problem is dramatically increased in evolving information systems, such as data warehouses and Web systems, where several views are daily defined or modified by users who are not aware of the detailed metadata describing data sources and their inter... View full abstract»

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  • Event composition in time-dependent distributed systems

    Publication Year: 1999, Page(s):70 - 78
    Cited by:  Papers (42)  |  Patents (4)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (107 KB)

    Many interesting application systems, ranging from workflow management and CSCW to air traffic control, are event-driven and time-dependent and must interact with heterogeneous components in the real world. Event services are used to glue together distributed components. They assume a virtual global time base to trigger actions and to order events. The notion of a global time that is provided by s... View full abstract»

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  • Providing customized process and situation awareness in the collaboration management infrastructure

    Publication Year: 1999, Page(s):79 - 91
    Cited by:  Papers (20)  |  Patents (3)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (83 KB)

    Collaboration management involves capturing the collaboration process, coordinating the activities of the participating applications and humans, and/or providing awareness, i.e., information that is highly relevant to a specific role and situation of a process participant. We propose an awareness provisioning solution that allows customization of the awareness delivered to each process participant... View full abstract»

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  • Modeling interactions based on consistent patterns

    Publication Year: 1999, Page(s):92 - 101
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (107 KB)

    Providers of Web based services are interested in monitoring the usage of their services in combination with those of other providers. The identification of services frequently accessed together may be valuable as a basis for strategic collaboration among their owners. We propose data mining to discover services of different providers which could complement one another, based on their usage. In pa... View full abstract»

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  • Dynamic workflow schema evolution based on workflow type versioning and workflow migration

    Publication Year: 1999, Page(s):104 - 114
    Cited by:  Papers (40)  |  Patents (9)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (64 KB)

    An important yet open problem in workflow management is the evolution of workflow schemas, i.e., the creation, deletion and modification of workflow types in such a way that the schema remains correct. This problem is aggravated when instances of modified workflow types are active at the time of modification because any workflow instance has to conform to the definition of its type. The paper pres... View full abstract»

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  • Generic workflow models: how to handle dynamic change and capture management information?

    Publication Year: 1999, Page(s):115 - 126
    Cited by:  Papers (24)  |  Patents (2)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (120 KB)

    Traditionally, workflow management systems are used to support static processes, i.e., processes which do not change frequently. This has limited the scope of workflow management. Moreover, the networked economy of the new millennium requires workflow management systems which are able to deal with dynamically changing workflow processes. The paper addresses two notorious problems related to adapti... View full abstract»

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  • Modeling exceptional behaviors in commercial workflow management systems

    Publication Year: 1999, Page(s):127 - 138
    Cited by:  Papers (18)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (123 KB)

    Workflow management systems (WfMSs) are most applicable when processes follow a predictable and repeatable behavior. However exceptional situations may occur in any process. An important class of exceptions is that of expected exceptions, i.e., of those exceptional situations that can be foreseen at design time, are part of the process semantics, but cause deviations from the normal process execut... View full abstract»

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  • Constructing a personal web map with anytime-control of Web robots

    Publication Year: 1999, Page(s):140 - 147
    Cited by:  Patents (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (105 KB)

    In this paper, we propose a PWM (Personal Web Map) which is a personal and small database of interesting Web pages to a user and develop a method to construct it under the user's control of multiple Web robots. Though general search engines with large databases like YaHoo, AltaVista, MetaCrawler are valid it is important that a user constructs a small, personal database of relevant Web pages to hi... View full abstract»

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  • Looking at the Web through XML glasses

    Publication Year: 1999, Page(s):148 - 159
    Cited by:  Papers (19)  |  Patents (17)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (154 KB)

    The Web so far has been incredibly successful at delivering information to human users. So successful actually, that there is now an urgent need to go beyond a browsing human and make information accessible to applications, in order to offer automation, inter-operation and Web-awareness among services. To do so, information from Web sources needs to be accessible in a structured way. XML and its v... View full abstract»

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  • Learning response times for WebSources: a comparison of a web prediction tool (WebPT) and a neural network

    Publication Year: 1999, Page(s):160 - 171
    Cited by:  Papers (2)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (242 KB)

    The rapid growth of the Internet and support for interoperability protocols has increased the number of Web accessible sources, WebSources. Current wrapper mediator architectures need to be extended with a Wrapper Cost Model (WCM) for WebSources that can estimate the response time (delays) to access sources as well as other relevant statistics. In this paper we present a Web Prediction Tool (WebPT... View full abstract»

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  • A comprehensive framework for querying and integrating WWW data and services

    Publication Year: 1999, Page(s):172 - 183
    Cited by:  Papers (3)  |  Patents (4)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (186 KB)

    Quo is a framework for the development of applications that use WWW data. Quo models the WWW accessible data using a dynamic semistructured data model called Quom (Quasi-Object Model). Within a semistructured model, Quom introduces (I) Object-Oriented features, (2) a structure declaration which is a "lightweight" schema definition. On the other hand, Quom relaxes the requirement, of Object-Oriente... View full abstract»

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  • E-commerce bargain-hunting with an unBun model

    Publication Year: 1999, Page(s):186 - 196
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (106 KB)

    First-generation comparison-shopping software tools in general have limitations in dealing with bundled products. A new generic model for e-commerce comparison-shopping, based on a logical unBundling of sellers' offerings, is presented. The model captures dominance relationship between offerings and consumer requirements and may serve as a foundation for a variety of shopping decision support soft... View full abstract»

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  • A formal yet practical approach to electronic commerce

    Publication Year: 1999, Page(s):197 - 208
    Cited by:  Papers (2)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (499 KB)

    This work explores (semi-) automated EC on the WWW. The EContracts framework enables EC WWW sites and EC automated tools to present standardized information. This information (1) allows each party to decide whether it wishes to engage in an EC activity with the other party, (2) enables automated negotiation between the parties, and (3) enables the establishment of an electronic contract, i.e., a f... View full abstract»

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  • A distributed OLAP infrastructure for e-commerce

    Publication Year: 1999, Page(s):209 - 220
    Cited by:  Papers (5)  |  Patents (3)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (97 KB)

    Warehousing and mining sales transaction data to generate summary information, customer profiles, and business rules has become increasingly important in e-commerce. Such summary information and rules have to be extracted from very large collections of transaction data gathered at many distributed sites. This is challenging data mining, both in terms of the magnitude of data involved, and the need... View full abstract»

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  • Ad-Hoc recovery in workflows, a formal model and some system support aspects

    Publication Year: 1999, Page(s):222 - 233
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (242 KB)

    How to increase flexibility has always been an issue relating to the applicability of any workflow system. We address this issue in one case where an agent needs to alter the control flow prescribed in the original definition to some previous executions. This phenomenon is termed ad-hoc recovery. Ad-hoc recovery is usually caused by unpredictable reasons, such as unexpected output Of some individu... View full abstract»

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  • Conceptual workflow schemas

    Publication Year: 1999, Page(s):234 - 242
    Cited by:  Papers (3)  |  Patents (2)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (201 KB)

    Today, the design of workflow schemas is to a large extent a manual process. Starting with business-process models, developers must make many decisions that are not supported by tools, to finally deliver a workflow schema that can be executed by a particular workflow management system (WFMS). This paper presents an approach that uses intermediate descriptions to make design decisions explicit, to ... View full abstract»

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  • Cooperative support for office work in the insurance business

    Publication Year: 1999, Page(s):243 - 253
    Cited by:  Papers (4)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (113 KB)

    Office tasks related to processing of contracts in the insurance business are complex and highly dependent on legal and company-specific formal regulations. On the other hand, the increasing competition strongly influences efficiency as well as quality requirements and makes such activities very dealing with critical for the company success. This paper describes the main ideas behind the EULE syst... View full abstract»

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