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Methods and computer based tools for handling medical terminologies and classifications
Linköping University, Department of Biomedical Engineering, Medical Informatics. Linköping University, The Institute of Technology.
2000 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Classifications, terminology and terminology services are important in the field of medical informatics. They are needed when building applications such as Computer based Patient Record systems (CPRs). Even though many classifications, nomenclatures and terminology systems have been constructed to this end, e .g. ICD, MeSH and SNOMED, no single system has, so far, covered medicine in its entirety. Several of the aforementioned constructs have grown to the extent that manual maintenance can no longer cope, thus computer based tools are needed for this task.

The main objective of this thesis is to present some computer based terminology tools that have been constructed to facilitate part of the work of building sound terminologies and application systems. The usefulness of such terminologies, terminology tools as well as the importance of being able to integrate the terminology have been reviewed and are discussed. Moreover tools (from GALEN) for maintenance and developme nt of classilications are evaluated.

Two terminology tools are presented that aim to facilitate the access to and the use of terminology and terminology services. One tool is built on a proposal for a concept oriented Swedish national terminology data base model (Spriterm). The other tool is a dedicated client (KOMANTIS) to the GALEN terminology server (TeS) developed as a deliverable within the European GALEN project. It will facilitate the integration of terminologies between the information system and the knowledge base when building Decision Support Systems (DSS).

Place, publisher, year, edition, pages
Linköping: Linköpings universitet , 2000. , 72 p.
Series
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 645
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-29445Local ID: 14792ISBN: 91-7219-815-X (print)OAI: oai:DiVA.org:liu-29445DiVA: diva2:250260
Public defence
2000-09-08, Elsa Brändströms sal, Universitetssjukhuset, Linköping, 09:15 (Swedish)
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2013-02-25
List of papers
1. Development of a terminology management system for the Swedish healthcare sector
Open this publication in new window or tab >>Development of a terminology management system for the Swedish healthcare sector
1996 (English)In: Studies in Health Technology and Informatics, Volume 34: Medical Informatics Europe ’96, Amsterdam: IOS Press , 1996, 232-235 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper describes the ongoing work of creating and building a Swedish national terminology database. The terminology management system herein is a prototype, built in ACCESS™. Still it addresses some important issues concerning terminology management such as the data model used for representing concepts and terms, and multiple inheritance is discussed in relation to relational databases.

Place, publisher, year, edition, pages
Amsterdam: IOS Press, 1996
National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-31352 (URN)10.3233/978-1-60750-878-6-232 (DOI)17118 (Local ID)17118 (Archive number)17118 (OAI)
Conference
MIE 96, Thirteenth International Congress, August 19-22 1996 Copenhagen Denmark
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2013-02-25
2. Design and application of a terminology management system
Open this publication in new window or tab >>Design and application of a terminology management system
1998 (English)In: Studies in Health Technology and Informatics, Volume 52: MEDINFO '98 / [ed] Cesnik, B., McCray, A.T., Scherrer, J.R., Australia: IOS Press , 1998, 207-211 p.Conference paper, Published paper (Refereed)
Abstract [en]

A Swedish data model for handling terminology, Spriterm, is presented in this paper. A prototype terminology management system, using the Spriterm data model in also described. This prototype is implemented is Microsoft ACCESS. Furthermore, two other applications using this prototype as a base are introduced. One World Wide Web based application, and a data dictionary.

Place, publisher, year, edition, pages
Australia: IOS Press, 1998
National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-29899 (URN)10.3233/978-1-60750-896-0-207 (DOI)15320 (Local ID)978-90-5199-407-0 (ISBN)15320 (Archive number)15320 (OAI)
Conference
MEDINFO '98, Aug 14-21, Seoul, South Korea
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2013-02-25
3. Terminology support for development of sharable knowledge modules
Open this publication in new window or tab >>Terminology support for development of sharable knowledge modules
1996 (English)In: Informatics for Health and Social Care, ISSN 1753-8157, E-ISSN 1753-8165, Vol. 21, no 3, 207-214 p.Article in journal (Refereed) Published
Abstract [en]

Lack of an agreed infrastructure for terminology is identified as one of the major barriers to interchange of knowledge modules and integration of knowledge bases with other clinical information systems. The goal of the GALEN project is to bridge this gap between different terminology systems through the construction of a terminology server, which is based on a rich conceptual model with mapping facilities to natural language expressions and coding schemas. The long term goal is to support communication between medical information systems. Arden Syntax is a standard format for the creation of knowledge modules, with sharability as one of the main objectives. Since Arden Syntax is based on a data-driven approach, the data items used need to be adapted to locally available terminology. The GALEN approach appears to be complementary to Arden Syntax and to the development of sharable knowledge modules. The major theme of this paper is utilization of the GALEN terminology server for knowledge module authoring. Two systems are presented, a knowledge base manager and a client to the terminology server, allowing the user to navigate in the semantic network and to import concept definitions and terms into the knowledge modules. The benefit of the terminology services is discussed.

Keyword
Terminology services, Knowledge authoring, Knowledge sharing, Arden Syntax
National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-31359 (URN)10.3109/14639239609025358 (DOI)17125 (Local ID)17125 (Archive number)17125 (OAI)
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2017-12-13
4. Modelling and reclassification of surgical procedures: experiences from the use of GALEN methods in the domain of thoracic surgery
Open this publication in new window or tab >>Modelling and reclassification of surgical procedures: experiences from the use of GALEN methods in the domain of thoracic surgery
2000 (English)In: Medical informatics and the Internet in medicine (Print), ISSN 1463-9238, E-ISSN 1464-5238, Vol. 25, no 2, 109-122 p.Article in journal (Refereed) Published
Abstract [en]

This paper reports on experiences fromthe evaluation of GALEN methods for mapping of follow-up categories in the domain of thoracic surgery to an existing classification of surgical procedures. The mapping of the aggregated levels or groups of thoracic procedures presents a genuine problem in relation to strict hierarchical classifications, since the follow-up categories do not necessarily fit in the pre-set structure of the classification. Experiences from modelling of the traditional classification and of the follow-up categories are reported, and an analysis of the results is presented along with a discussion of opportunities and potential problems and pitfalls when applying GALEN models and tools.

National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-29754 (URN)10.1080/14639230050058293 (DOI)15159 (Local ID)15159 (Archive number)15159 (OAI)
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2017-12-13
5. Classification of procedures in the domain of thoracic surgery: a study of relibility in coding
Open this publication in new window or tab >>Classification of procedures in the domain of thoracic surgery: a study of relibility in coding
2001 (English)In: Journal of medical systems, ISSN 0148-5598, E-ISSN 1573-689X, Vol. 25, no 1, 47-61 p.Article in journal (Refereed) Published
Abstract [en]

This paper relates a study of reliability of coding of surgical procedures in the domain of thoracic surgery. The reliability measured is inter-coder variability in form of agreement. Four classifications were used by four physicians on 100 patient cases. The classifications, having differing granularity and structure, were analyzed using a statistical method (kappa). These results are discussed and related to the differences between the classifications. One of the topics for discussion is how the granularity affects the degree of agreement, coupled to the usefulness of the classification. Also the concept of using formal methods for representing classifications is discussed, how this will affect how classifications are designed and used.

National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-29560 (URN)10.1023/A:1005636432502 (DOI)14934 (Local ID)14934 (Archive number)14934 (OAI)
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2017-12-13

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