anchor.diff:  FORMAT: 1A
  -
  -# Orion Context Broker
  -
  -<!--
  - Copyright 2015 Telefonica Investigacion y Desarrollo, S.A.U
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  - This file is part of Orion Context Broker.
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  - Orion Context Broker is free software: you can redistribute it and/or
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  +HOST: http://telefonicaid.github.io/fiware-orion/api/v1/
  +TITLE: Orion Context Broker NGSI API v1 Specification
  +DATE: 08 September 2015
  +VERSION: v1.0
  +PREVIOUS_VERSION: v0.9
  +APIARY_PROJECT: orioncontextbroker
  +
  +# Orion Context Broker NGSI API v1 Specification
   
   The Orion Context Broker is an implementation of the Publish/Subscribe Context Broker GE, providing the NGSI9 and NGSI10 interfaces. Using these interfaces, clients can do several operations:
   
  
positive.code: 
  # Context management using NGSI10 
  
  ### Tutorial on NGSI10 convenience operations   
  
  This section describes the different convenience operations described as part of the FI-WARE NGSI REST API NGSI10 that Orion Context Broker supports, showing examples of requests and responses. 
  Convenience operations are a set of operations that have been defined by FI-WARE project to ease the usage of NGSI implementations as a complement to the standard operations defined in the OMA NGSI specification. 
  
negative.code: * Being notified when changes on context information take place (e.g. the temperature has changed) or with a given frequency (e.g. get the temperature each minute).
  * Query context information. The Orion Context Broker stores context information updated from applications, so queries are resolved based on that information.
  
  ## Editors
  
    + Fermín Galán, Telefónica I+D.
  
  ## Copyright
  
  This specification is licensed under the
  [FIWARE Open Specification License]
  (http://forge.fiware.org/plugins/mediawiki/wiki/fiware/index.php/FI-WARE_Open_Specification_Legal_Notice_%28essential_patents_license%29).
  
  ## Status
  
  Final version aligned with FIWARE Release 4.
  
  ## Multi service tenancy
  
  Fiware-Service and Fiware-ServicePath are set at entity creation time using HTTP headers in the entity creation REST request.
  
  