GeoXACML stands for Geospatial eXtensible Access Control Markup Language. It defines a geo-specific extension to XACML

XACML

XACML stands for eXtensible Access Control Markup Language. The standard defines a declarative access control policy language implemented in XML and a processing model describing how to evaluate authorization requests according to the rules defined in policies.As a published standard...

 Version 2.0, as it was ratified by OASIS

OASIS (organization)

The Organization for the Advancement of Structured Information Standards is a global consortium that drives the development, convergence and adoption of e-business and web service standards...

 standards organization

Standards organization

A standards organization, standards body, standards developing organization , or standards setting organization is any organization whose primary activities are developing, coordinating, promulgating, revising, amending, reissuing, interpreting, or otherwise producing technical standards that are...

 on 1 February 2005.

GeoXACML version 1.0 is currently being standardized by the Open Geospatial Consoritum (OGC)

Open Geospatial Consortium

The Open Geospatial Consortium , an international voluntary consensus standards organization, originated in 1994. In the OGC, more than 400 commercial, governmental, nonprofit and research organizations worldwide collaborate in a consensus process encouraging development and implementation of open...

. For more information on this standardization effort, please follow Request for Comment on Geospatial eXtensible Access Control Markup Language (GeoXACML).

More information is available at the GeoXACML home page Geospatial Extensible Access Control Markup Language