response resource schema server service service interface service metadata state transfer protocol version Symbols and abbreviated terms

4.19 request

invocation of an operation by a client

4.20 response

result of an operation, returned from a server to a client

4.21 resource

an object or artefact that is described by a record in the information model of a catalogue

4.22 schema

formal description of a model [ISO 19101, ISO 19103, ISO 19109, ISO 19118]

4.23 server

service instance a particular instance of a service [ISO 19119 edited]

4.24 service

distinct part of the functionality that is provided by an entity through interfaces [ISO 19119] capability which a service provider entity makes available to a service user entity at the interface between those entities [ISO 19104 terms repository]

4.25 service interface

shared boundary between an automated system or human being and another automated system or human being [ISO 19101]

4.26 service metadata

metadata describing the operations and geographic information available at a server [ISO 19128 draft]

4.27 state

condition that persists for a period NOTE The value of a particular feature attribute describes a condition of the feature [ISO 19108].

4.28 transfer protocol

common set of rules for defining interactions between distributed systems [ISO 19118] 6 Copyright © 2007 Open Geospatial Consortium, Inc. All Rights Reserved.

4.29 version

version of an Implementation Specification document and XML Schemas to which the requested operation conforms NOTE An OWS Implementation Specification version may specify XML Schemas against which an XML encoded operation request or response shall conform and should be validated. 5 Conventions

5.1 Symbols and abbreviated terms

Some frequently used abbreviated terms: CORBA Common Object Request Broker Architecture DCP Distributed Computing Platform HTTP Hypertext Transfer Protocol IDL Interface Definition Language ISO International Organization for Standardization KVP Keyword Value Pair MIME Multipurpose Internet Mail Extensions OGC Open GIS Consortium, also referred to as OpenGIS ® TBD To Be Determined TBR To Be Reviewed UML Unified Modeling Language XML Extensible Markup Language Z39.50 Service definition for information search and retrieval, also known as ISO 23950

5.2 UML notation