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Alkynes are unsaturated hydrocarbons characterized by the presence of carbon-carbon triple bonds and have a general formula CnH2n-2. The nomenclature of alkynes follows a set of rules similar to alkanes and alkenes; however, alkynes bear the suffix "-yne" instead of "-ane" or "-ene." There are two approaches to naming alkynes:
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User-defined functions in the Arden Syntax: An extension proposal.

Harry Karadimas1, Vahid Ebrahiminia1, Eric Lepage2

  • 1Department of Medical Informatics, Henri Mondor Hospital, Assistance Publique Hôpitaux de Paris, 51 av. Du Mal de Lattre, 94010 Creteil, France.

Artificial Intelligence in Medicine
|January 13, 2016
PubMed
Summary
This summary is machine-generated.

The Arden Syntax, a standard for medical logic modules (MLMs), can be enhanced with user-defined functions. This addition improves MLM readability and robustness, promoting better knowledge sharing in healthcare informatics.

Keywords:
Artificial intelligenceClinical decision support systemsExpert systemsMedical informaticsProgramming languages

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Area of Science:

  • Computer Science
  • Health Informatics
  • Medical Informatics

Background:

  • The Arden Syntax is a long-standing knowledge-encoding standard (HL7) designed for shareable and understandable medical logic modules (MLMs).
  • Current restrictions prevent user-defined functions within MLMs, necessitating MLM-to-MLM calls which create dependencies.
  • This limitation is a known criticism impacting the Arden Syntax knowledge model's flexibility.

Purpose of the Study:

  • To investigate the feasibility and benefits of incorporating user-defined functions into the Arden Syntax.
  • To address the known criticism regarding MLM interdependencies caused by the absence of native function definition.
  • To enhance the Arden Syntax for improved readability, robustness, and knowledge sharing.

Main Methods:

  • Utilized the Arden Syntax v.2.10 grammar, standard documents, and rationale as foundational guidelines.
  • Introduced new production rules to the grammar to support user-defined functions.
  • Employed the CUP parsing tool to develop a parser and verify the absence of grammatical ambiguities.

Main Results:

  • Successfully developed a new Arden Syntax grammar incorporating user-defined functions.
  • Added 22 production rules to the grammar, enabling native function definition.
  • Validated the new grammar and parser with illustrative examples, confirming correct parsing.

Conclusions:

  • It is feasible to integrate user-defined functions into the Arden Syntax while maintaining coherence with the existing standard.
  • The proposed enhancement is expected to significantly improve the readability and robustness of medical logic modules.
  • A formal proposal for these changes will be submitted to the HL7 Arden Syntax workgroup.