Ruby implementation of openEHR

h1. YADL

h2. Background

ADL is one of the openEHR official formalism to express archetype, defined as "ADL 1.4"http://www.openehr.org/svn/specification/TRUNK/publishing/architecture/am/adl1.4.pdf
Sample archetype is shown in ADL document.

archetype
adl-test-instrument.guitar.draft
concept
[at0000] -- guitar
language
original_language = <[iso_639-1::EN]>
definition
INSTRUMENT[at0000] matches {
size matches {|60..120|}
date_of_manufacture

Otherwise, ADL is not so common formalism such as XML or OWL.
XML serialisation is considered more popular alternative to express archetype.
XML form of archetype is shown bellow