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4. Terms and Definitions
This document uses the terms defined in Sub-clause 5.3 of [OGC 06-121r8], which is based on the ISOIEC Directives, Part 2, Rules for the structure and drafting of International
Standards. In particular, the word “shall” not “must” is the verb form used to indicate a requirement to be strictly followed to conform to this standard.
For the purposes of this document, the following additional terms and definitions apply. earth observation satellite
Artificial spacecraft specifically designed to observe the earth from orbit, often using sensors that are sensitive to some part of the electromagnetic spectrum.
identifier A character string that may be composed of numbers and characters that is exchanged
between the client and the server with respect to a specific identity of a resource.
OpenSearch Draft specification for web search syndication, originating from Amazons A9 project and
given a corresponding interface binding by the OASIS Search Web Services working group.
profile Set of one or more base standards and - where applicable - the identification of chosen
clauses, classes, subsets, options and parameters of those base standards that are necessary for accomplishing a particular function [ISO 19101, ISO 19106].
procedure oriented architectural style Platform-independent design approach that is focused on operations, their parameters and
their results, that can be defined in an abstract level specification. Concrete platform dependent specifications can be derived from the abstract level, allowing, for example, KVP
or SOAP messaging.
requirement Something that is necessary in advance.
resource oriented architectural style Platform-independent design approach that is focused on resources, representations and
actions, that can be defined in an abstract level specification. Concrete platform dependent specifications can be derived from the abstract level, allowing, for example, a RESTful
architecture.
state Condition that persists for a period.
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Task Conceptual resource that represents an SPS assignment. It includes the possibly empty set
of tasking parameters.
Tasking Parameterizing an asset; can be done by sending one or more tasking requests.
Tasking request Request with certain tasking semantics that contains tasking parameters.
Tasking Parameter Parameter that has an influence on the parameterization of an asset.
URL component Text contained after the context path between two forward slashes “”, that are not placed
between two matching parentheses “...”, and before any question mark character “?”.
URL component key Text contained in a URL component that comes before an opening parenthesis ““.
URL component value Text contained in a URL component that is enclosed between the first opening parenthesis
““ and the last closing parenthesis “” in the → component.
Example In the http:example.orgcomponent1componentKeycomponentValue,
components are as follows: Context Path: http:example.org
URL Components: component1, componentKeycomponentValue URL Component Keys: component1, componentKey
URL Component Values:componentValue
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5. Conventions
