Table 1

Comparison of Julius PDS to openEHR Reference Information Model

RM Features

Julius

openEHR

data types

string, integer, decimal, date

Boolean, State, Identifier, Text, Coded Text, Paragraph, Count, Interval, Ordinal, Quantity, Quantity Ratio, Multimedia, Parsable, URI, Date, Time, Datetime, Duration

data structures – spatial

Group

Item Single, Item List, Item Tree, Item Table

data structures – history

N/A

History, Single Event, Event Series

Demographic

N/A

Party, Actor, Person,Organisation, Agent Address, Contact etc

object identification

Counters of type big integer

Object ID, Archetype ID, Terminology ID, Hierarchical Object ID, ISO OID, UID, UUID, Object Ref, Party Ref etc

change control

Version

Version, Contribution,Audit Details, Version Repository, Versioned Compositions, Directory

Chen et al. BMC Medical Informatics and Decision Making 2007 7:10   doi:10.1186/1472-6947-7-10