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Approximate Reasoning in Surgical Decisions
Responsible organisation
2009 (English)Conference paper, (Refereed) Published
Abstract [en]

Approximate reasoning is one of the most effective fuzzy systems. The compositional rule of inference founded on the logical law modus ponens is furnished with a true conclusion, provided that the premises of the rule are true as well. Even though there exist different approaches to an implication, being the crucial part of the rule, we modify the early implication proposed by Zadeh in our practical model concerning a medical application. The approximate reasoning system presented in this work considers evaluation of a risk in the situation when physicians weigh necessity of the operation on a patient. The patient’s clinical symptom levels, pathologically heightened, indicate the presence of a disease possible to recover by surgery. We wish to evaluate the extension of the operation danger by involving particularly designed fuzzy sets in the algorithm of approximate reasoning.

Place, publisher, year, edition, pages
Lisbon: Instituto Superior Technico de Lisboa, Erasmus Universiteit in Rotterdam , 2009.
Keyword [en]
Approximate reasoning, compositional rule of inference, Zadeh’s implication, operation risk, symptom levels, parametric membership functions
National Category
Mathematical Analysis Public Health, Global Health, Social Medicine and Epidemiology
Identifiers
URN: urn:nbn:se:bth-8037ISI: 000279170600040Local ID: oai:bth.se:forskinfo63BAC7584643D068C12576010061B193ISBN: 978-989-95079-6-8 (print)OAI: oai:DiVA.org:bth-8037DiVA: diva2:835721
Conference
International Fuzzy Systems Association World Congress 2009 - IFSA 2009
Available from: 2012-09-18 Created: 2009-07-28 Last updated: 2016-09-20Bibliographically approved

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Rakus-Andersson, Elisabeth
Mathematical AnalysisPublic Health, Global Health, Social Medicine and Epidemiology

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf