An encoding methodology for medical knowledge using SNOMED CT ontology

Knowledge-Intensive Case Based Reasoning (KI-CBR) systems mainly depend on ontology. Using ontology as domain knowledge supports the implementation of semantically-intelligent case retrieval algorithms. The case-based knowledge must be encoded with the same concepts of the domain ontology. Standard...

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Main Authors: Shaker El-Sappagh, Mohammed Elmogy
Format: Article
Language:English
Published: Elsevier 2016-07-01
Series:Journal of King Saud University: Computer and Information Sciences
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1319157815000919
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author Shaker El-Sappagh
Mohammed Elmogy
author_facet Shaker El-Sappagh
Mohammed Elmogy
author_sort Shaker El-Sappagh
collection DOAJ
description Knowledge-Intensive Case Based Reasoning (KI-CBR) systems mainly depend on ontology. Using ontology as domain knowledge supports the implementation of semantically-intelligent case retrieval algorithms. The case-based knowledge must be encoded with the same concepts of the domain ontology. Standard medical ontologies, such as SNOMED CT (SCT), can play the role of domain ontology to enhance case representation and retrieval. This study has three stages. First, we propose an encoding methodology using SCT. Second, this methodology is used to encode the case-based knowledge. Third, all the used SCT concepts are collected in a reference set, and an OWL2 ontology of 550 pre-coordinated concepts is proposed. A diabetes diagnosis is chosen as a case study of our proposed framework. SCT is used to provide a pre-coordination concept coverage of ∼75% for diabetes diagnosis terms. Whereas, the uncovered concepts in SCT are proposed. The resulting OWL2 ontology will be used as domain knowledge representation in diabetes diagnosis CBR systems. The proposed framework is tested by using 60 real cases.
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spelling doaj.art-b4dc7467518e407998f5bb9c93dc6a122022-12-21T18:30:18ZengElsevierJournal of King Saud University: Computer and Information Sciences1319-15782016-07-0128331132910.1016/j.jksuci.2015.10.002An encoding methodology for medical knowledge using SNOMED CT ontologyShaker El-Sappagh0Mohammed Elmogy1Faculty of Computers and Information, Minia University, EgyptFaculty of Computers and Information, Mansoura University, EgyptKnowledge-Intensive Case Based Reasoning (KI-CBR) systems mainly depend on ontology. Using ontology as domain knowledge supports the implementation of semantically-intelligent case retrieval algorithms. The case-based knowledge must be encoded with the same concepts of the domain ontology. Standard medical ontologies, such as SNOMED CT (SCT), can play the role of domain ontology to enhance case representation and retrieval. This study has three stages. First, we propose an encoding methodology using SCT. Second, this methodology is used to encode the case-based knowledge. Third, all the used SCT concepts are collected in a reference set, and an OWL2 ontology of 550 pre-coordinated concepts is proposed. A diabetes diagnosis is chosen as a case study of our proposed framework. SCT is used to provide a pre-coordination concept coverage of ∼75% for diabetes diagnosis terms. Whereas, the uncovered concepts in SCT are proposed. The resulting OWL2 ontology will be used as domain knowledge representation in diabetes diagnosis CBR systems. The proposed framework is tested by using 60 real cases.http://www.sciencedirect.com/science/article/pii/S1319157815000919Clinical decision support system (CDSS)SNOMED CT (SCT) codingSemantic data retrievalOntologyCase-based reasoning (CBR)Diabetes diagnosis
spellingShingle Shaker El-Sappagh
Mohammed Elmogy
An encoding methodology for medical knowledge using SNOMED CT ontology
Journal of King Saud University: Computer and Information Sciences
Clinical decision support system (CDSS)
SNOMED CT (SCT) coding
Semantic data retrieval
Ontology
Case-based reasoning (CBR)
Diabetes diagnosis
title An encoding methodology for medical knowledge using SNOMED CT ontology
title_full An encoding methodology for medical knowledge using SNOMED CT ontology
title_fullStr An encoding methodology for medical knowledge using SNOMED CT ontology
title_full_unstemmed An encoding methodology for medical knowledge using SNOMED CT ontology
title_short An encoding methodology for medical knowledge using SNOMED CT ontology
title_sort encoding methodology for medical knowledge using snomed ct ontology
topic Clinical decision support system (CDSS)
SNOMED CT (SCT) coding
Semantic data retrieval
Ontology
Case-based reasoning (CBR)
Diabetes diagnosis
url http://www.sciencedirect.com/science/article/pii/S1319157815000919
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