نتایج جستجو برای: conceptual modeling
تعداد نتایج: 474622 فیلتر نتایج به سال:
Over recent years, many scholars have studied the conceptual modeling of information systems based on a model of representation formulated by Wand and Weber. This model offers a set of premises about representational deficiencies and their implications for development and use of conceptual modeling in IS practice. Yet, only few examples of empirical research exist. One of the related problems i...
This paper describes a vision in which linguistic knowledge and theories are introduced into conceptual modeling, and it sums up the advantages achieved by this approach. We will show how the extension of conceptual modeling techniques with linguistic theories increases their expressive power, the capability to formalize well-known conceptual aspects, like object roles and constraints, and thei...
Despite the relevance of the concept of role for conceptual modeling and agent-orientation, there is still in the literature a lack of consensus on the meaning of this notion and how it should be incorporated in existing conceptual modeling languages and frameworks. In this paper, we offer a contribution to this problem by employing a well-founded reference ontology (UFO) to analyze and reconci...
In recent years, there has been a growing interest in the use of Foundational Ontologies, i.e., ontological theories in the philosophical sense to provide real-world semantics and principled modeling guidelines for conceptual domain modeling languages. In this paper, we demonstrate how a philosophically sound and cognitively-oriented ontological theory of objects and moments (property-instances...
In this paper we briefly describe a new conceptual model for XML called XSEM. It is a combination of several approaches in the area. It divides the conceptual modeling process to conceptual and structural level. At the conceptual level, we design an overall conceptual schema of a domain independently on the required hierarchical representations of the data in XML documents. At the structural le...
Since the late 1980s, there has been a growing interest in the use of foundational ontologies to provide a sound theoretical basis for the discipline of conceptual modeling. This has led to the development of ontology-based conceptual modeling techniques whose modeling primitives reflect the conceptual categories defined in a foundational ontology. The ontology-based conceptual modeling languag...
Software interoperability may be achieved by using their respective conceptual data models. However, each model may be represented in a different conceptual data modelling language for the tool’s purpose or due to legacy issues. Several translations between small subsets of language features are known, but no unified model exists that includes all their language features. Aiming toward filling ...
The concept of reference model has been discussed for years as a means for increasing the efficiency and effectiveness of conceptual modeling. But the necessity of support for understanding reference models is poorly understood. Most literature on reference modeling provides several configuration mechanisms and extensions of modeling languages, but the consequences of a constructivist understan...
Information systems developers such as business process engineers use Conceptual Modeling to understand the information system’s application domain and to derive such a system’s requirements. For Conceptual Modeling an appropriate modeling grammar needs to be selected. Approaches have been identified to evaluate and select a modeling grammar. It is supposed that theorybased approaches contribut...
Source Integration is one of the core problems in Data Warehousing. Two critical factors for the design and maintenance of applications requiring Source Integration, and in particular Data Warehouse applications, are conceptual modeling of the domain, and reasoning support over the conceptual representation. We present a novel approach to conceptual modeling for Source Integration, which allows...
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