Semantics Discovering in Relational Databases by Pattern-Based Mapping to Association-Oriented Metamodel—A Biomedical Case Study

Jodłowiec, Marcin; Krótkiewicz, Marek

doi:10.1007/978-3-319-39796-2_39

Cited by 11 publications

(6 citation statements)

References 6 publications

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“…12 This leads to a situation when the model categories used lack unambiguous semantics. 13 It may only be concluded based on more or less suggestive identi¯ers or a supplementary description. The semantics of the model categories used should be unambiguous on the model level itself, meaning that each category should perform one and only one function de¯ned in the model.…”

Section: Semantic Unambiguity Of Database Schematamentioning

confidence: 99%

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Formal Definition and Modeling Language of Association-Oriented Database Metamodel (AssoBase)

Krótkiewicz

2019

Vietnam J. Comp. Sci.

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The paper provides a concise discussion of the most important theoretical aspects of the Association-Oriented Database (AODB) Metamodel. Even though the model has been practically verified, the author has focused on its formal aspects and modeling language. The AODB Metamodel has been developed for the purposes of building the knowledge representation systems. Basically, such systems are structurally and functionally complex, hence they require advanced solutions to be applied for the purpose of data modeling. The modeling language enables designing database structures in the AODB Metamodel, taking into account various features of this database metamodel. The language in question is fully integrated and compatible with AODB Metamodel. It has been developed for the purposes of this metamodel, it operates with categories specific to it and, as such, it constitutes neither a version nor an extension of any of the existing languages. The second part of the paper provides the definition and discussion concerning the graphical modeling language — Association-Oriented Modeling Language (AML). The last section of the paper introduces the case-study that presents the key features of the metamodel, as well as the use of modeling language. The topics of presented examples comprise a simplified model of degree programs for universities and the model of Ontological Core, the main module of Semantic Knowledge Base (SKB).

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Section: Semantic Unambiguity Of Database Schematamentioning

confidence: 99%

“…They link the given association (Assoc) with another base node (BaseNode), i.e., with an association (Assoc) or a collection (Coll). A role (Role) has been de¯ned in expression (13). It has Fig.…”

Section: Role (Role)mentioning

confidence: 99%

Formal Definition and Modeling Language of Association-Oriented Database Metamodel (AssoBase)

Krótkiewicz

2019

Vietnam J. Comp. Sci.

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“…1 The syntax of AML AO DB is similar to UML ® and should be comprehensible for most readers. However etailed description of its syntax and semantics has been described in papers [17,23,28]. As a result of the inheritance defined in expression (1), association Association 2 has become an owner of the roles (Role) inherited from Association 1 according to expression (2).…”

Section: General Conceptmentioning

confidence: 99%

“…The following example illustrates the subject of inheritance of rights to fulfil roles in a diamond arrangement. With regard to the foregoing, a database (Db) represented by expression (17) has been modelled.…”

Section: Fig 7 Diagram Developped In the Aml Aomentioning

confidence: 99%

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A novel inheritance mechanism for modeling knowledge representation systems

Krótkiewicz

2018

ComSIS

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The mechanism of inheritance is a powerful tool used to describe complexity of a reality fraction. It is particularly important for knowledge representation systems modelling. It provides a specific ability to take over properties from a base element, what is crucial for conciseness, and modelling efficiency as well. In the Association-Oriented Database Metamodel, inheritance retains coherence with the object-oriented model in the most general terms. However, it has been otherwise defined which stems from the specificity of the metamodel, and particularly from its capabilities which have blazed a trail for its further extension. The main contribution of this article is a description of preliminary assumptions, postulates and conceptual solutions applicable to inheritance. They have been discussed against the background of the Association-Oriented Database Metamodel as well as an objectoriented model compared with the former.

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Semantic Knowledge Base: Quantifiers and Multiplicity in Extended Semantic Networks Module

Krótkiewicz

Wojtkiewicz

Jodłowiec

et al. 2016

Communications in Computer and Information Science

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Semantics Discovering in Relational Databases by Pattern-Based Mapping to Association-Oriented Metamodel—A Biomedical Case Study

Cited by 11 publications

References 6 publications

Formal Definition and Modeling Language of Association-Oriented Database Metamodel (AssoBase)

Formal Definition and Modeling Language of Association-Oriented Database Metamodel (AssoBase)

A novel inheritance mechanism for modeling knowledge representation systems

Semantic Knowledge Base: Quantifiers and Multiplicity in Extended Semantic Networks Module

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