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Research Papers

Ontological Conceptualization Based on the SKOS

[+] Author and Article Information
Farhad Ameri

Department of Engineering Technology,
Texas State University,
San Marcos, TX 78666
e-mail: ameri@txstate.edu

Boonserm Kulvatunyou

Systems Integration Division,
National Institute of Standards and Technology,
e-mail: serm@nist.gov

Nenad Ivezic

Systems Integration Division,
National Institute of Standards and Technology,
e-mail: nenad.ivezic@nist.gov

Khosrow Kaikhah

Department of Computer Science,
Texas State University,
San Marcos, TX 78666
e-mail: khosrow@txstate.edu

It should be noted that semantic relationships include lexical relationships as well. Equivalency, hierarchy, and associativity are the main types of semantic relationships that are often used in ontologies.

Domain experts in the context of current work refer to the individual who has in-depth knowledge of various manufacturing processes and their associated equipment.

Recall here refers to the number of concepts in the expert list that are indexed automatically as well.

In this work, PPT corpus was not the same as the reference text. PPT corpus, in its default setting, is a generic text without any manufacturing significance. CRR measure can be improved if a manufacturing-related PPT corpus is available.

1Corresponding author.

2The capability of two or more networks, systems, devices, applications, or components to interwork, and to exchange and readily use information, securely, effectively, and with little or no inconvenience to the user (Definition form Smart Grid 2.0).

Contributed by the Computers and Information Division of ASME for publication in the JOURNAL OF COMPUTING AND INFORMATION SCIENCE IN ENGINEERING. Manuscript received July 24, 2013; final manuscript received April 28, 2014; published online May 20, 2014. Assoc. Editor: Xiaoping Qian.

J. Comput. Inf. Sci. Eng 14(3), 031006 (May 20, 2014) (11 pages) Paper No: JCISE-13-1138; doi: 10.1115/1.4027582 History: Received July 24, 2013; Revised April 28, 2014

Ontological conceptualization refers to the process of creating an abstract view of the domain of interest through a set of interconnected concepts. In this paper, a thesaurus-based methodology is proposed for systematic ontological conceptualization in the manufacturing domain. The methodology has three main phases, namely, thesaurus development, thesaurus evaluation, and thesaurus conversion and it uses simple knowledge organization system (SKOS) as the thesaurus representation formalism. The concept-based nature of a SKOS thesaurus makes it suitable for identifying important concepts in the domain. To that end, novel thesaurus evaluation and thesaurus conversion metrics that exploit this characteristic are presented. The ontology conceptualization methodology is demonstrated through the development of a manufacturing thesaurus, referred to as ManuTerms. The concepts in ManuTerms can be converted into ontological classes. The whole conceptualization process is the stepping stone to developing more axiomatic ontologies. Although the proposed methodology is developed in the context of manufacturing ontology development, the underlying methods, tools, and metrics can be applied to development of any domain ontology. The developed thesaurus can serve as a standalone lightweight ontology and its concepts can be reused by other ontologies or thesauri.

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References

Figures

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Fig. 1

Narrower and broader concepts for Ceramic Mold Casting

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Fig. 2

Ontological conceptualization process

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Fig. 3

Tagged terms in the original text in a PPT's tagging event

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Fig. 4

Tagged terms in the term cloud in a PPT's tagging event

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Fig. 5

The concept diagram for ManuTerms:Plaster Mold Casting

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Fig. 6

CC score is calculated based on the number of external and internal links for each concept

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Fig. 7

The process of introducing ManuTerms concept to MSDL based on their connectivity and frequency score

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