[[TOC("Archtectural Overview Introduction", wiki:"Archtectural Overview Overview", wiki:"Archtectural Overview Aims")]]
 1. [wiki:"Archtectural Overview Introduction" はじめに]
   1. Purpose 7
   1. Status 7
   1. Peer review 7 
 1. [wiki:"Archtectural Overview Overview" 概要]
   1. The openEHR Specification Project 9 
 1. Aims of the openEHR Architecture 11

    * 3.1 Overview 11
    * 3.2 Clinical Aims 12
    * 3.3 Deployment Environments 13 

# 4 Design Principles 15

    * 4.1 Ontological Separation 15
    * 4.2 Separation of Responsibilities 18
    * 4.3 Separation of Viewpoints 18 

# 5 openEHR Package Structure 21

    * 5.1 Overview 21
    * 5.2 Reference Model (RM) 22
          o 5.2.1 Package Overview 22 
    * 5.3 Archetype Model (AM) 24
    * 5.4 Service Model (SM) 25 

# 6 Design of the openEHR EHR 27

    * 6.1 The EHR System 27
    * 6.2 Top-level Information Structures 27
    * 6.3 The EHR 28
    * 6.4 Entries and "clinical statements" 29
    * 6.5 Managing Interventions 32
    * 6.6 Time in the EHR 34
    * 6.7 Language 34 

# 7 Security and Confidentiality 37

    * 7.1 Requirements 37
    * 7.2 Threats to Security and Privacy 38
    * 7.3 Solutions Provided by openEHR 39
          o 7.3.1 Overview 39
          o 7.3.2 Security Policy 39
          o 7.3.3 Integrity 41
          o 7.3.4 Anonymity 43 
    * 7.4 Access Control 43 

# 8 Versioning 45

    * 8.1 Overview 45
    * 8.2 The Configuration Management Paradigm 45
          o 8.2.1 Organisation of the Repository 46
          o 8.2.2 Change Management 46 
    * 8.3 Managing Changes in Time 47
          o 8.3.1 General Model of a Change-controlled Repository 48 
    * 8.4 The "Virtual Version Tree" 49 

# 9 Identification 51

    * 9.1 Identification of the EHR 51
    * 9.2 Identification of Items within the EHR 51
          o 9.2.1 General Scheme 51
          o 9.2.2 Levels of Identification 51 

# 10 Archetypes and Templates 55

    * 10.1 Overview 55
    * 10.2 Archetype Formalisms and Models 56
          o 10.2.1 Overview 56
          o 10.2.2 Design-time Relationships between Archetypes 56 
    * 10.3 Relationship of Archetypes and Templates to Data 57
    * 10.4 Archetype-enabling of Reference Model Data 57
    * 10.5 Archetypes, Templates and Paths 58
    * 10.6 Archetypes and Templates at Runtime 58
          o 10.6.1 Overview 58
          o 10.6.2 Deploying Archetypes and Templates 59
          o 10.6.3 Validation during Data Capture 60
          o 10.6.4 Querying 61 
    * 10.7 The openEHR Archteypes 62 

# 11 Paths and Locators 63

    * 11.1 Overview 63
    * 11.2 Paths 63
          o 11.2.1 Basic Syntax 63
          o 11.2.2 Predicate Expressions 64
          o 11.2.3 Paths within Top-level Structures 65
          o 11.2.4 Data Paths and Uniqueness 65 
    * 11.3 EHR URIs 68
          o 11.3.1 EHR Reference URIs 68 

# 12 Terminology in openEHR 71

    * 12.1 Overview 71
    * 12.2 Terminology to Support the Reference Model 71
    * 12.3 Archetype Internal Terminology 71
    * 12.4 Binding to External Terminologies 73
    * 12.5 Querying using External Terminologies 74 

# 13 Deployment 77

    * 13.1 5-tier System Architecture 77 

# 14 Integrating openEHR with other Systems 79

    * 14.1 Overview 79
    * 14.2 Integration Archetypes 79
    * 14.3 Data Conversion Architecture 80 

# 15 Relationship to Standards 81
# 16 Implementation Technology Specifications 83

    * 16.1 Overview 83 

# A References 85