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A Simpler and Semantic Multidimensional Database Query Language to Facilitate Access to Information in Decision-making
2020
International Journal of Computers Communications & Control
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OLAP and multidimensional database technology have contributed significantly to speed up and build confidence in the effectiveness of methodologies based on the use of management indicators in decision-making ...
model, very different from the needs of the multidimensional databases. ...
To the School of Engineering, FinisTerrae University, Chile, and also to de Department of Industry, Universidad Tecnológica Metropolitana, Chile. ...
doi:10.15837/ijccc.2020.4.3900
fatcat:cfytnwbrhfel7jyn2hpjeheqam
Extending Uml for Multidimensional Modeling in Data Warehouse
2013
International journal of computer and communication technology
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and alternative path classification hierarchies, and nonstrict and complete hierarchies and aggregate fact table. ...
Multidimensional modeling is the foundation of data warehouses, MD databases, and On-Line Analytical Processing (OLAP) applications. ...
and alternative path classification hierarchies, and non-strict and complete hierarchies and aggregate fact table. ...
doi:10.47893/ijcct.2013.1184
fatcat:vfzlpsut7nbovhtxjna52ne2wi
Grand tour of concepts for object-orientation from a database point of view
1993
Data & Knowledge Engineering
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Numerous papers have defined one or another of its underlying concepts (sometimes in quite different ways), and some systems have been developed following those heterogeneous definitions. ...
For this reason, the goal of this paper is not to add yet another definition of object-oriented concepts, but to identify existing relationships among these basic concepts that allow one to cover and classify ...
Acknowledgment The helpful comments of S. Deßloch, L. Golendziner, E. Rahm, and U. Schreier are gratefully acknowledged. ...
doi:10.1016/0169-023x(93)90012-e
fatcat:klgpfqgypneefletjpyysi45ki
ALOCOM: a generic content model for learning objects
2008
International Journal on Digital Libraries
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On the basis of a comparative analysis, the content models are mapped to a generic model for learning objects to address interoperability questions and to enable share and reuse on a global scale. ...
This paper investigates the interoperation of learning content defined according to different specifications. ...
of Excellence on Professional Learning [30] . ...
doi:10.1007/s00799-008-0039-8
fatcat:6jtstlkvxzbt7ptdq3i2qg3rma
A Simulation Model for Integrating Multidisciplinary Knowledge in Natural Sciences - Heuristic and Application to Wild Rodent Studies
2017
Proceedings of the 7th International Conference on Simulation and Modeling Methodologies, Technologies and Applications
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The essentially transitory nature of the construction is discussed, together with its dependence on the formalisms used. ...
of each type of agent and (iii) agent containers that can be described on several scales. ...
The SimMasto project (http://simmasto.org) was supported, through the various case studies of the Chancira projects (grant IRD-ANR-11-CEPL-0010), Cerise (grant IRD-FRB no.AAP-SCEN -20B III), and with occasional ...
doi:10.5220/0006441803400347
dblp:conf/simultech/FurMS17
fatcat:vonfw7ornzhllexhpry5apjqwu
A UML profile for multidimensional modeling in data warehouses
2006
Data & Knowledge Engineering
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The Multidimensional (MD) modeling, which is the foundation of data warehouses (DWs), MD databases, and On-Line Analytical Processing (OLAP) applications, is based on several properties different from ...
This profile is defined by a set of stereotypes, constraints and tagged values to elegantly represent main MD properties at the conceptual level. ...
Government of Valencia, and by the MESSENGER (PCC-03-003-1) and DADS (PBC-05-012-2) projects from the Regional Science and Technology Ministry of Castilla-La Mancha (Spain). ...
doi:10.1016/j.datak.2005.11.004
fatcat:sgx6vozwbjehjfwyhyia4nxtnq
Functional structure of gminas in Poland – classification approaches and research opportunities
2016
Studia Obszarów Wiejskich
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constituting a model of configuration of the analysed characteristics, fulfilling the condition of assigning exactly one element from the set of classes or types (uniqueness) to each element from the ...
Variants of spatial unit classification differ not only in terms of the method of determining the set of classes, but also in terms of the way of assigning the elements from the set of spatial units to ...
doi:10.7163/sow.43.1
fatcat:36xerlxf4fgezkearutr3c5qdu
Evidential force aggregation
2003
Sixth International Conference of Information Fusion, 2003. Proceedings of the
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The result of these processes is a complete force aggregation on all levels handled. ...
These methods work with different type of elements (intelligence reports, vehicles, military units) on different hierarchical levels using specific conflict assessment methods on each level. ...
The conflict function then returns zero if one classification is a descendant of the other and otherwise returns one. We used the hierarchy shown in Figure 7 . ...
doi:10.1109/icif.2003.177377
fatcat:pv5mhr2b55epvmdjyd5ogrfahe
Extending the Multidimensional Data Model to Handle Complex Data
2007
Journal of Computing Science and Engineering
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Both t he st atic elements of the model, such as types of fact a nd dimension hierarchy schemes, and dynamic features, such as support for adva nced operat ors a nd derived elements. ...
Presented concepts are arra nged into a forma l classification consisting of fact types, factua l and fact -dimensiona l relationships, a nd dimension types, supplied wit h expla natory examples fro m ...
The difference is that the aggregation graph of a dimension depends on its proper semantics, while the aggregation graph of a fact depends on the aggregation hierarchies of its analysis dimensions [Abello ...
doi:10.5626/jcse.2007.1.2.125
fatcat:g4j7bgztqrbjlasubr7eavktmu
Aggregation in Ontologies: Practical Implementations in OWL
[chapter]
2005
Lecture Notes in Computer Science
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We explore possible techniques for modeling aggregation with OWL, investigate the semantics of aggregation, and consider the merits of aggregation over generalization for modeling knowledge in particular ...
It is based on the observation that current ontologies emphasize the abstraction mechanism of generalization but ignore the various forms of aggregation. ...
Acknowledgements This work was partly sponsored by the Norwegian Research Council through the WISEMOD project, number 160126V30 in the IKT-2010 program. ...
doi:10.1007/11531371_39
fatcat:sae4zfzxizfspfg46hi4a4r3ba
Micro turbine installations classification principles based on a systematic approach
2019
IOP Conference Series: Earth and Environment
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This article reviews a novel approach toward classification of micro turbine installations based on a systematic approach. ...
Classification principles are described, and general requirements to classification system are formulated. Novel classification system for micro turbine installations is proposed. ...
Classification system is an aggregate of classification methods and rules, and their results. ...
doi:10.1088/1755-1315/337/1/012044
fatcat:d4kthuz2xbgqxgqcuqbdhy3q3q
Multiple Criteria Evaluation of Trams based on Customers' Specifications (Expectations) in Selected Countries
2020
Transportation Research Procedia
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The paper presents a Multiple Criteria Analysis (MCA) of trams, based on customers' specifications and open bid regulations in different countries, such as: Czech Republic, France, Germany, Hungary, Poland ...
Abstract The paper presents a Multiple Criteria Analysis (MCA) of trams, based on customers' specifications and open bid regulations in different countries, such as: Czech Republic, France, Germany, Hungary ...
For the purpose of this research they are categorized based on two classification criteria, i.e.: the purpose of the decision process and the way of aggregating the DM's global preferences. ...
doi:10.1016/j.trpro.2020.03.149
fatcat:jqcaxlumwnfyjkiyfxe25m7t2a
Visualizing Populated Ontologies with OntoTrix
2013
International Journal on Semantic Web and Information Systems (IJSWIS)
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This visualization uses both nodelink and adjacency matrix representations of graphs to visualize different parts of the data depending on their semantic and local structural properties, exploiting ontological ...
Most tools for visualizing Semantic Web data structure the representation according to the concept definitions and interrelations that constitute the ontology's vocabulary. ...
Embedded in a smooth zoomable interface [5] , and coupled with visual representations of the class and property hierarchies that enable interactive navigation and filtering of instance data, this visualization ...
doi:10.4018/ijswis.2013100102
fatcat:kqut43dqd5dgddxziystmcsk4u
On the Key Role of Composition in Object-Oriented Modelling
[chapter]
2003
Lecture Notes in Computer Science
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We contrast our view of composition with that of it being a special kind of association, with the composition of deployable elements, and with UML's model management constructs such as packaging. »The ...
The success of object-oriented software modelling depends to a large extent on the ability to create adequate abstractions. ...
However, such is really a design pattern and not a native modelling element of the language. A UML subsystem constitutes an independent part of the whole system. ...
doi:10.1007/978-3-540-45221-8_11
fatcat:dlr2bikk2rfhjk7bd2bgx5tsfm
Generating and managing metadata for Web-based information systems
2004
Knowledge-Based Systems
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We conclude that the possibility to verify and aggregate metadata is an added value with respect to contents-based access to information and that it is possible to generate it on the basis of Web contents ...
We introduce the Spectacle Workbench for verifying semi-structured information and show how it can be used to validate, aggregate and visualize the metadata of an existing information system. ...
The result of this step is a classification of pages into a number of classes, based on the application of the classification rules to the , META. -tags in the pages. ...
doi:10.1016/j.knosys.2004.04.004
fatcat:ql5mw7nsongipgpeefe3xts4gu
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