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An agent defines the virtual presence of a principal in virtual space. An agent type is defined by a specific XML schema.
An artifact is a small string of Base64 encoded characters of a specific and contant size that is an opague token to information previously stored within a provider. Artifacts are used to obtain the previously stored information from the provider. Artifacts may only be used once and usually have a very limited lifetime. Artifacts are usually used to transfer single sign-on information between providers in a secure manner.
An attractor is a two or three dimensional location within a container to which an object is attracted. An attractor type is defined by a specific XML schema. See also target.
A machine readable identifier that provides application oriented typing of an element or document.
An internet resource or instance identified by a unique URI that contains a media object of type image, audio, video, etc. A clip type is defined by a specific XML schema.
An internet resource or instance identified by a unique URI that contains a list of clips. A clip list type is defined by a specific XML schema.
An internet resource that acts as an alias to a resource datastream. This is generally used to allow multiple users to establish their own unique links to a single internet resource.
A provider that manages user authentication.
Meta space is the software that defines and supports the virtual space. Virtual space is the virtual world itself. Virtual space exists solely as a byproduct of the real space computer processing that takes place on meta space objects.
A programatic resource that is used to present a resource within a browser or other client software, such as a Macromedia Flash movie, or Java Applet.
A real or virtual identity. A principal type is defined by a specific XML schema.
A logical device that makes datastreams and web services available to the Internet, usually identified by a subdomain name.
Real space is the real physical world.
A realm defines a set of resources that are implemented and secured as a group. A realm type is defined by a specific XML schema.
A realm definition document defines a realm. A realm definition is defined by a specific XML schema.
Any provider that is not an Identity Provider.
A target is the desired state of an object within the context of a container. Unlike an attractor, which is purely location oriented, a target is more general and is most often defined by the container itself. It is usually manifest as a container generated opague identifier defined within an element of Clip Type.
A user is the real space user of distributed virtual worlds. A user type is defined by a specific XML schema.
A user client provides an interface to the virtual world through user interaction with web browser and/or custom applications. User clients provide the hands-on interface between the user and the virtual world.
A user community provides user identity, accounting, and customization of the virtual world experience. A user community is a web site and collaborative platform for persons that share a common interest.
A user definition document defines a user. A user definition is defined by a specific XML schema.
When a real space user is "in" a virtual space in the form of a specific character agent.
Virtual space is the virtual world itself. Virtual space exists solely as a byproduct of the real space computer processing that takes place on meta space objects. A virtual space type is defined by a specific XML schema.
Virtual worlds may provide users a range of experiences, from small scripted activities, to large simulated environments. Virtual worlds bring together content, dynamic modeling, and user specific customization to provide an immersive interactive experience tailored to the individual.
A World Engine joins multimedia resources, dynamic modeling, and user customization, to bring interactive environments to user clients while tracking intellectual property rights and resource usage. A world engine holds the current state of all or part of the virtual world. A virtual world may have many world engines, each owned and operated independently.