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Open Standards
Open standards are standards made available to the general public and are developed (or approved) and maintained via a collaborative and consensus-driven process. The term is often seen in the press and marketing literature, yet in the geospatial community, there is no common understanding of what it means. Often, de facto standards developed and maintained by a single technology vendor are called open standards. This situation creates misunderstanding, especially in procurement and vendor market positioning. The problem is exacerbated given the considerable confusion regarding the relationship between open standards and open source software, as well as the concepts, policies, and licensing implications these terms represent.
What is a Standard?
A standard is a specification, or a set of instructions, detailing certain technical functionality that may be implemented in different products and services. More specifically, from the U.S. Office of Management and Budget (OMB) Circular 119, a standard is a “common and repeated use of rules, conditions, guidelines or characteristics for products or related processes and production methods, and related management systems practices.” A key aspect is that discussions and eventual consensus on the agreement as to the “rules, conditions, and guidelines” for an open standard is done in a recognized standards organization.
What is an Open Standard?
From a narrow perspective, an open standard is one developed through an open, consensus process in which all stakeholders have the ability to participate. An essential requirement for any standards-setting or development organization is “openness.” From the American National Standards Institute (ANSI) definition, openness requires that “participation shall be open to all persons who are directly and materially affected by the activity in question. There shall be no undue financial barriers to participation. Voting membership in the consensus body shall not be conditional upon membership in any organization, nor unreasonably restricted on the basis of technical qualifications or other requirements.”
The Standards-Setting Process
To create an open, consensus-standards-setting environment, formal standards organizations have been created. There are two primary types of standards organizations: the standards development organization (SDO) and the standards-setting organization (SSO). An SDO is an organization that is an accredited representative of the International Organization for Standardization (ISO) or the International Electrotechnical Commission (IEC). SSOs include not only SDOs but also trade associations, consortia, alliances, and other groups that develop standards. The Organization for the Advancement of Structured Information Standards (OASIS), the Open Geospatial Consortium (OGC), World Wide Web Consortium (W3C), and the Internet Engineering Task Force (IETF) are examples of SSOs.
All valid SSOs have a set of processes and procedures that ensure the development of open standards. Full consensus standards processes include elements of openness and public review, balanced participation among interest groups, and due process and appeals for aggrieved parties. Specifically, open consensus standards are developed using an open process that has certain important process features, including the following:
- Development of the standard in an open, international, participatory industry process that is documented in formally (and legally) approved policies and procedures.
- Consensus by the membership whereby membership is open to any organization or individual in a nondiscriminatory manner.
- Broad-based public review and comment on draft standards.
- Consideration of and response to comments submitted by voting members of the relevant consensus body as well as by the public.
- Incorporation of approved changes into a draft standard.
- Availability of an appeal by any participant alleging that due process principles were not respected during the standards development process.
- Free rights of distribution: An open license does not restrict any party from selling or giving away the standard as part of a software distribution. The open license does not require a royalty or other fee.
- Technology-neutral standard and license: No provision of the license may be predicated on any individual technology or style of interface.
- Consistent and rigorous intellectual property review to ensure that all standards developed by the SSO are royalty free and publicly available on a nondiscriminatory basis.
In summary, an open standard developed by an SSO is publicly available in writing or electronically to all who are interested in evaluating or using the standard. Further, no individual vendor restrictions may be imposed to access the standard, though a nominal fee may be charged by the standards organization to help defray its costs to develop the standard. Thus, open standards exist to enable interoperability in a marketplace of multiple, competing implementations, while ensuring that certain minimum requirements are met. An open standard is unrelated to the development model used for the implementation of that standard.
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- Analytical Methods
- Analytical Cartography
- Cartographic Modeling
- Cost Surface
- Cost-Benefit Analysis
- Data Mining, Spatial
- Density
- Diffusion
- Ecological Fallacy
- Effects, First- and Second-Order
- Error Propagation
- Exploratory Spatial Data Analysis (ESDA)
- Fragmentation
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- Distance
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- First Law of Geography
- Fractals
- Geographic Information Science (GISci)
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- Nonstationarity
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- z-Values
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- Database, Spatial
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- Discrete versus Continuous Phenomena
- Elevation
- Extensible Markup Language (XML)
- Geometric Primitives
- Index, Spatial
- Integrity Constraints
- Layer
- Linear Referencing
- Network Data Structures
- Object Orientation (OO)
- Open Standards
- Raster
- Scalable Vector Graphics (SVG)
- Spatiotemporal Data Models
- Structured Query Language (SQL)
- Tessellation
- Three-Dimensional GIS
- Topology
- Triangulated Irregular Networks (TIN)
- Virtual Reality Modeling Language (VRML)
- Design Aspects
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- Geospatial Data
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- Address Standard, U.S.
- Attributes
- BLOB
- Cadastre
- Census
- Census, U.S.
- Computer-Aided Drafting (CAD)
- Coordinate Systems
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- Datum
- Digital Chart of the World (DCW)
- Digital Elevation Model (DEM)
- Framework Data
- Gazetteers
- Geodesy
- Geodetic Control Framework
- Geography Markup Language (GML)
- Geoparsing
- Georeference
- Global Positioning System (GPS)
- Interoperability
- LiDAR
- Linear Referencing
- Metadata, Geospatial
- Metes and Bounds
- Minimum Mapping Unit (MMU)
- National Map Accuracy Standards (NMAS)
- Natural Area Coding System (NACS)
- Photogrammetry
- Postcodes
- Precision
- Projection
- Remote Sensing
- Scale
- Semantic Network
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- Standards
- State Plane Coordinate System
- TIGER
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- Universal Transverse Mercator (UTM)
- Organizational and Institutional Aspects
- Address Standard, U.S.
- Association of Geographic Information Laboratories for Europe (AGILE)
- Canada Geographic Information System (CGIS)
- Census, U.S.
- Chorley Report
- Coordination of Information on the Environment (CORINE)
- COSIT Conference Series
- Data Access Policies
- Data Warehouse
- Digital Chart of the World (DCW)
- Digital Earth
- Digital Library
- Distributed GIS
- Enterprise GIS
- Environmental Systems Research Institute, Inc. (ESRI)
- ERDAS
- Experimental Cartography Unit (ECU)
- Federal Geographic Data Committee (FGDC)
- Framework Data
- Geomatics
- Geospatial Intelligence
- GIS/LIS Consortium and Conference Series
- Google Earth
- GRASS
- Harvard Laboratory for Computer Graphics and Spatial Analysis
- IDRISI
- Intergraph
- Interoperability
- Land Information Systems
- Life Cycle
- Location-Based Services (LBS)
- Manifold GIS
- MapInfo
- Metadata, Geospatial
- MicroStation
- National Center for Geographic Information and Analysis (NCGIA)
- National Geodetic Survey (NGS)
- National Mapping Agencies
- Open Geospatial Consortium (OGC)
- Open Source Geospatial Foundation (OSGF)
- Open Standards
- Ordnance Survey (OS)
- Quantitative Revolution
- Software, GIS
- Spatial Data Infrastructure
- Spatial Decision Support Systems
- Standards
- U.S. Geological Survey (USGS)
- University Consortium for Geographic Information Science (UCGIS)
- Web GIS
- Web Service
- Societal Issues
- Access to Geographic Information
- Copyright and Intellectual Property Rights
- Critical GIS
- Cybergeography
- Data Access Policies
- Digital Library
- Economics of Geographic Information
- Ethics in the Profession
- Geographic Information Law
- Historical Studies, GIS for
- Liability Associated With Geographic Information
- Licenses, Data and Software
- Location-Based Services (LBS)
- Privacy
- Public Participation GIS (PPGIS)
- Qualitative Analysis
- Quantitative Revolution
- Spatial Literacy
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