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Updated OGC Reference Model from Open Geospatial Consortium

The OGC Announces Updated OGC Reference Model

Wayland, Massachusetts, USA. November 17, 2008.

The Open Geospatial Consortium (OGC) has announced the completion and availability of Version 2.0 of the OGC Reference Model (ORM) at:

The ORM provides a framework for the ongoing work of the OGC and a guide for those who seek to implement interoperable solutions and applications for geospatial services and data. The ORM focuses on relationships between the documents in the OGC Standards Baseline (SB), which consists of the approved OpenGIS Abstract and Implementation Standards (Interface, Encoding, Profile, Application Schema), and OGC Best Practice documents.

The ORM provides insight into the current state of the work of the OGC and thus serves as a useful resource for defining architectures for specific applications. It helps prospective members see how they might serve their stakeholders by making a contribution to the OGC process, and it provides overall guidance to developers who are implementing one or more of the OpenGIS Standards. The ORM contains numerous links to OGC resources that provide more detailed information. It is the result of extensive development by hundreds of OGC Member Organizations and tens of thousands of individuals who have contributed to the development of OGC standards since 1994.

The OGC is an international consortium of more than 365 companies, government agencies, research organizations, and universities participating in a consensus process to develop publicly available geospatial standards. OpenGIS Standards support interoperable solutions that "geo-enable" the Web, wireless and location-based services, and mainstream IT. OGC Standards empower technology developers to make geospatial information and services accessible and useful with any application that needs to be geospatially enabled.

Visit the OGC website at:

Summary: OGC Reference Model (ORM) Version 2.0

OGC Reference Model (ORM). Produced by members of the Open Geospatial Consortium Inc. Contributions by: George Percivall (Editor, Open Geospatial Consortium), Carl Reed (Open Geospatial Consortium), Lew Leinenweber (BAE Systems), Chris Tucker (ERDAS), and Tina Cary (OGC/Cary and Associates). Date: 2008-11-11. Reference number: OGC 08-062r4. Version: 2.0. Copyright © 2008, Open Geospatial Consortium, Inc. Not an OGC Standard; distributed for review and comment; subject to change without notice. Definitions of terms used in the ORM are available in the online OGC Glossary. Also available in PDF and Word . DOC formats [PDF archive/cache]


1 The Enterprise View of OGC
     1.1 Interoperability Is Essential
     1.2 An Example: Web Map Service (WMS)
     1.3 Business Processes Benefit from Geospatial Standards
     1.4 The OGC Members and Programs
     1.5 The OGC Standards and Specifications

2 Geospatial Information
     2.1 Geospatial Information Is Fundamental or "Everything is somewhere"
     2.2 Information Specifications Architecture
     2.3 Spatial Referencing
     2.4 Maps and KML
     2.5 Geographic Features
     2.6 Geometry and Topology
     2.7 Geography Markup Language
     2.8 Sensor Web Enablement Information Standards
     2.9 GeoDRM and GeoXACML
     2.10 Metadata
     2.11 OGC Schema Repositories

3 Geospatial Services
     3.1 Services Architecture
     3.2 OGC Web Services
     3.3 Sensor Web Enablement (SWE) Services
     3.4 Processing Services and Service Chaining
     3.5 Mass Market Services
     3.6 Open Location Services
     3.7 Fine-Grained Services

4 Reusable Patterns for Deployment
     4.1 Publish, Find and Bind Pattern
     4.2 Geospatial Portal and Clients
     4.3 Multi-Tier Architectures
     4.4 Spatial Data Infrastructures
     4.5 Sensor Webs
     4.6 Workflow and Service Chaining

5 Implementations of OGC Standards
     5.1 OGC Compliance Test Program
     5.2 Registered Implementations
     5.3 Operational Networks using OGC Standards


Sam Bacharach
Executive Director, Outreach and Community Adoption
Open Geospatial Consortium, Inc
35 Main Street, Suite 5, Wayland, MA 01778 USA
Tel: +1-703-352-3938

Prepared by Robin Cover for The XML Cover Pages archive. See other references in "Geography Markup Language (GML)."

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