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Back to [[Negation Requirements]] | Back to [[Negation Requirements]] | ||
| + | * Werner Ceusters, Peter Elkin and Barry Smith, “[http://ontology.buffalo.edu/medo/NegativeFindings.pdf Negative Findings in Electronic Health Records and Biomedical Ontologies: A Realist Approach]”, International Journal of Medical Informatics 2007; 76: 326-333. PMC2211452. | ||
| + | * Werner Ceusters, Peter Elkin and Barry Smith “[http://ontology.buffalo.edu/medo/negative_findings.pdf Referent Tracking: The Problem of Negative Findings]” (MIE 2006), Studies in Health Technology and Informatics, vol. 124, 741–6. (This issue also published as Ubiquity: Technologies for Better Health in Aging Societies. Proceedings of MIE2006, edited by Arie Hasman, Reinhold Haux, Johan van der Lei, Etienne De Clercq, Francis Roger-France, Amsterdam: IOS Press, 2006.) | ||
* Alan Rector, [http://www.cs.man.ac.uk/~rector/papers/Whats-in-a-code/Whats-in-a-code-rector-corrected.pdf What's in a Code?] | * Alan Rector, [http://www.cs.man.ac.uk/~rector/papers/Whats-in-a-code/Whats-in-a-code-rector-corrected.pdf What's in a Code?] | ||
** On separation of ontology from terminology & use of "situation" construct to harmonize positive & negative assertions | ** On separation of ontology from terminology & use of "situation" construct to harmonize positive & negative assertions | ||
Revision as of 20:30, 28 June 2016
Back to Negation Requirements
- Werner Ceusters, Peter Elkin and Barry Smith, “Negative Findings in Electronic Health Records and Biomedical Ontologies: A Realist Approach”, International Journal of Medical Informatics 2007; 76: 326-333. PMC2211452.
- Werner Ceusters, Peter Elkin and Barry Smith “Referent Tracking: The Problem of Negative Findings” (MIE 2006), Studies in Health Technology and Informatics, vol. 124, 741–6. (This issue also published as Ubiquity: Technologies for Better Health in Aging Societies. Proceedings of MIE2006, edited by Arie Hasman, Reinhold Haux, Johan van der Lei, Etienne De Clercq, Francis Roger-France, Amsterdam: IOS Press, 2006.)
- Alan Rector, What's in a Code?
- On separation of ontology from terminology & use of "situation" construct to harmonize positive & negative assertions
- Alan Rector, Negation & Null Values (rough notes)
- On preference for "absent" to "negation," at least at first
- SNOMED CT Technical Implementation Guide: see 7.8.2.4.7 Retrieving absent findings
- This section discusses how negation changes the rules for subsumption testing. The solution is to reverse the candidate/predicate relation for Situation with Explicit Context findings using "known absent" or a descendant.
- Note that this approach assumes a pattern of Procedure with explicit context. The pattern of an Observable with value "absent" is not addressed.
- This approach can probably be generalized.
