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    AMW
    2010
    119views Knowledge Management» more  AMW 2010»
    Relational Implementation of Multi-dimensional Indexes for Time Series
    14 years 29 days ago
    Relational Implementation of Multi-dimensional Indexes for Time Series
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    Tomasz Nykiel, Parke Godfrey
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    APCCM
    2008
    117views Knowledge Management» more  APCCM 2008»
    Model Eco-Systems: Preliminary Work
    14 years 29 days ago
    Model Eco-Systems: Preliminary Work
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    Modeling is core software engineering practice. Conceptual models are constructed to establish an abstract understanding of the domain among stakeholders. These are then refined i...
    Aditya Ghose, George Koliadis
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    AMW
    2010
    156views Knowledge Management» more  AMW 2010»
    Minimising RDF Graphs under Rules and Constraints Revisited
    14 years 29 days ago
    Minimising RDF Graphs under Rules and Constraints Revisited
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    Based on practical observations on rule-based inference on RDF data, we study the problem of redundancy elimination in RDF in the presence of rules (in the form of Datalog rules) a...
    Reinhard Pichler, Axel Polleres, Sebastian Skritek...
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    APCCM
    2008
    131views Knowledge Management» more  APCCM 2008»
    Differentiating Conceptual Modelling from Data Modelling, Knowledge Modelling and Ontology Modelling and a Notation for Ontology
    14 years 29 days ago
    Differentiating Conceptual Modelling from Data Modelling, Knowledge Modelling and Ontology Modelling and a Notation for Ontology
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    This paper considers conceptual modelling for three purposes namely data modelling, knowledge modelling and ontology modelling. It differentiates between the nature of the concept...
    Tharam S. Dillon, Elizabeth Chang, Maja Hadzic, Po...
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    AMW
    2010
    142views Knowledge Management» more  AMW 2010»
    On Incomplete XML Documents with Integrity Constraints
    14 years 29 days ago
    On Incomplete XML Documents with Integrity Constraints
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    We consider incomplete specifications of XML documents in the presence of schema information and integrity constraints. We show that integrity constraints such as keys and foreign ...
    Pablo Barceló, Leonid Libkin, Juan L. Reutt...
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    AMW
    2010
    203views Knowledge Management» more  AMW 2010»
    Query Rewriting under Non-Guarded Rules
    14 years 29 days ago
    Query Rewriting under Non-Guarded Rules
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    We address the problem of answering conjunctive queries over knowledge bases, specified by sets of first-order sentences called tuple-generating dependencies (TGDs). This problem i...
    Andrea Calì, Georg Gottlob, Andreas Pieris
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    AMW
    2010
    155views Knowledge Management» more  AMW 2010»
    Multiresolution Cube Estimators for Sensor Network Aggregate Queries
    14 years 29 days ago
    Multiresolution Cube Estimators for Sensor Network Aggregate Queries
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    In this work we present in-network techniques to improve the efficiency of spatial aggregate queries. Such queries are very common in a sensornet setting, demanding more targeted t...
    Alexandra Meliou, Carlos Guestrin, Joseph M. Helle...
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    APCCM
    2008
    106views Knowledge Management» more  APCCM 2008»
    Constraint Acquisition - You Can Chase but You Cannot Find
    14 years 29 days ago
    Constraint Acquisition - You Can Chase but You Cannot Find
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    We identify established tableaux techniques as an invaluable tool for semantic knowledge acquisition in the design process of relational databases. Sample databases allow users an...
    Sven Hartmann, Sebastian Link, Thu Trinh
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    AMW
    2010
    222views Knowledge Management» more  AMW 2010»
    Generating XML/GML Schemas from Geographic Conceptual Schemas
    14 years 29 days ago
    Generating XML/GML Schemas from Geographic Conceptual Schemas
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    Abstract. A large volume of data with complex structures is currently represented in GML (Geography Markup Language) for storing and exchanging geographic information. As the size ...
    André C. Hora, Clodoveu A. Davis Jr., Mirel...
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    APCCM
    2008
    150views Knowledge Management» more  APCCM 2008»
    A Framework Based Measurements for Evaluating an IS Quality
    14 years 29 days ago
    A Framework Based Measurements for Evaluating an IS Quality
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    There is an increasing community of researchers trying to draw attention to the importance of evaluation issues. Some approaches can be followed to evaluate the quality of softwar...
    Olfa Lamouchi, Amar Ramdane-Cherif, Nicole L&eacut...
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