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2006 7th International Baltic Conference on Databases and Information Systems

3-6 July 2006

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  • Proceedings of the 2006 Seventh International Baltic Conference on Databases and Information Systems

    Publication Year: 2006, Page(s): 0_1
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  • 2006 Seventh International Baltic Conference on Databases and Information Systems

    Publication Year: 2006, Page(s): 0_2
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  • Copyright and reprint permission

    Publication Year: 2006, Page(s): 0_3
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  • Table of contents

    Publication Year: 2006, Page(s):iii - iv
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  • Sponsors

    Publication Year: 2006, Page(s): v
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  • Conference Committee

    Publication Year: 2006, Page(s):vi - vii
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  • Preface

    Publication Year: 2006, Page(s): viii
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  • [Breaker page]

    Publication Year: 2006, Page(s): 1
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  • Dynamic programming environment for active rules

    Publication Year: 2006, Page(s):3 - 16
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (520 KB) | HTML iconHTML

    Currently, many applications that require monitoring (e.g., surveillance, track monitoring) use the event-condition-action (or ECA) rule paradigm. The local event detector (LED) that has been developed based on the ECA rule paradigm provides active capability to various applications including relational database systems. LED is capable of handling events that are local to the application, thus pro... View full abstract»

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  • The role of foundational ontologies for conceptual modeling and domain ontology representation

    Publication Year: 2006, Page(s):17 - 25
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (403 KB) | HTML iconHTML

    In recent years, there has been a growing interest in the development and use of domain ontologies, strongly motivated by the semantic Web initiative. However, as we demonstrate in this paper, an approach for ontology representation uniquely based on the modeling languages adopted in the semantic Web is insufficient to address a number of semantic interoperability problems that arise in concrete a... View full abstract»

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  • The semantic Web: prospects and challenges

    Publication Year: 2006, Page(s):26 - 29
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (195 KB) | HTML iconHTML

    The Web grew in five years from a development project to a global business. In contrast the semantic Web has spent ten years developing from a plan to introduce metadata to the Web to a suite of technologies that are used in niche markets, but are far from the global commodity business of the Web. There remain fundamental problems in implementing the vision of a semantic Web, which require both or... View full abstract»

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  • [Breaker page]

    Publication Year: 2006, Page(s): 30
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  • Avoidance of deadline-violations for inter-organizational business processes

    Publication Year: 2006, Page(s):33 - 40
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (150 KB) | HTML iconHTML

    Workflow time management allows the prediction of eventually arising deadline violations and enables proactive initiation of evasive actions. This saves time, avoids compensation tasks and therefore decreases costs. Current time management approaches assume that communication with external tasks, which are enacted by the process, is conducted in a blocking or synchronous manner. As inter-organizat... View full abstract»

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  • Decomposition of the enterprise knowledge management layer

    Publication Year: 2006, Page(s):41 - 47
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (325 KB) | HTML iconHTML

    The paper presents knowledge-based enterprise modeling framework (KBEM) for the development of an enterprise knowledge base. The knowledge base together with explicitly defined knowledge management activity is concerned as the major component of the knowledge-based enterprise. The KBEM is developed by redefining business process concept of porter's value chain model (VCM) and by identifying knowle... View full abstract»

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  • Decision making using simulation models of business processes: an implementation view

    Publication Year: 2006, Page(s):48 - 54
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (363 KB) | HTML iconHTML

    A method for development a decision making system that uses simulation models is presented in the paper. It combines a development and integration of the simulation models into an enterprise information system. An integrating layer for integration of the simulation models is developed using Web service technologies. Piece-linear aggregates formalism is applied for creation of the simulation models... View full abstract»

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  • Precise notation for business rules templates

    Publication Year: 2006, Page(s):55 - 60
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (276 KB) | HTML iconHTML

    Templates are a popular way of knowledge representation. It already has showed its effectiveness in information extraction and ontology axioms specification. Ability to create templates can help enforce the consistent deployment of rules across different business scenarios, applications, projects and business units. Templates allow end users to modify or create rules within a strict set of constra... View full abstract»

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  • [Breaker page]

    Publication Year: 2006, Page(s): 61
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  • Keeping track of changes in database schemas and related ontologies

    Publication Year: 2006, Page(s):63 - 68
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (168 KB) | HTML iconHTML

    Connecting scientific databases is a challenging task which can be supported by ontologies describing them on a semantical level. Unfortunately, ontologies for databases are rarely used, because schemas of research databases change rapidly while the ontologies grow as well. Maintaining the connection between both is time consuming manual work. Therefore it is worthwhile to reduce the required work... View full abstract»

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  • A heuristic approach to vertical fragmentation incorporating query information

    Publication Year: 2006, Page(s):69 - 76
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (404 KB) | HTML iconHTML

    Fragmentation, allocation and replication are database distribution design techniques that aim at improving the system performance. Among the two fragmentation techniques, vertical fragmentation is often considered more complicated than horizontal fragmentation, because the huge number of alternatives makes it nearly impossible to obtain an optimal solution to the vertical fragmentation problem. T... View full abstract»

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  • About softness for inductive querying on sequence databases

    Publication Year: 2006, Page(s):77 - 82
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (242 KB) | HTML iconHTML

    In many application domains (e.g., WWW usage mining, telecommunication data analysis, molecular biology), large sequence databases are available and yet under-exploited. The inductive database framework assumes that both such databases and the various patterns holding within them might be queryable. In this setting, queries which return patterns are called inductive queries and solving them is one... View full abstract»

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  • An efficient algorithm to rank the partial-sum queries results

    Publication Year: 2006, Page(s):83 - 88
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (263 KB) | HTML iconHTML

    In decision-support systems, ranking-aware queries have been gaining much attention recently. In this paper we introduce an efficient algorithm about ranking the results of partial-sum queries in OLAP data cubes. We propose a term, partial-sum ranking query, which aggregate information over some specified cells, and return the ranked order of the aggregated values. Partial-sum ranking query differ... View full abstract»

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  • [Breaker page]

    Publication Year: 2006, Page(s): 90
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  • Optimization of online data integration

    Publication Year: 2006, Page(s):91 - 97
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (237 KB) | HTML iconHTML

    Online data integration is a process of continuous consolidation of data transmitted over the wide area networks with data already stored at a central site of a multidatabase system. The continuity of the process requires activation of data integration procedure each time a new portion of data is received at a central site. Efficient implementation of online data integration needs a new system of ... View full abstract»

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  • Using a factorial approach for efficient representation of relevant OLAP facts

    Publication Year: 2006, Page(s):98 - 105
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (284 KB) | HTML iconHTML

    On line analytical processing (OLAP) is a technology basically created to explore data cubes and detect relevant information. Unfortunately, in huge and sparse data volumes, exploration becomes a tedious task. In such a case, simple user's intuition or experience does not always lead to efficient results. In this paper, we propose to exploit the multiple correspondence analysis (MCA) in order to a... View full abstract»

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  • Model driven development of data warehouses

    Publication Year: 2006, Page(s):106 - 113
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (448 KB) | HTML iconHTML

    Long lasting and heavyweight data warehouse development processes may be far more automated using set of standard schema and data transformations based on relevant conceptual models. Model-driven method for development of data warehouses is proposed based on primary concept model and warehouse concept model. The primary concept model treats object types and their properties as individual concepts ... View full abstract»

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