Difference between revisions of "IoT Semantics"

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(Entity and Observations semantic)
(Entity and Observations semantic)
Line 18: Line 18:
 
* Property data type
 
* Property data type
 
**There are 3 kinds of property types
 
**There are 3 kinds of property types
***primitive types
 
[[File:semantic1.png]]
 
 
***collection the things type
 
***collection the things type
 +
[[File:semantic1.png]]
 +
***primitive types
 
[[File:semantic2.png]]
 
[[File:semantic2.png]]
 
***collection/single things instances  
 
***collection/single things instances  

Revision as of 13:12, 21 April 2016

Linked data

http://linkeddata.org/

Resource Description Framework (RDF)

https://www.w3.org/RDF/

Json-ld

Json for linked data http://json-ld.org/

Entity and Observations semantic

Semantic for entities and the observations the produce can be defined using the Entity Types and Observation Types This configurable semantic in composed of :

  • Type general info (name, description, geometric representation)
  • Type specific properties
  • In the case of the entity types, the set of observation types that the given entity type can produce

Each specific property contains its own semantic to define :

  • Property data type
    • There are 3 kinds of property types
      • collection the things type

Semantic1.png

      • primitive types

Semantic2.png

      • collection/single things instances

Semantic3.png

  • Valid range or regular expression according to the data type
  • Translation to the supported languages
  • Limit of copies to keep for the property

Entity and Observations instances

Instances are resources of a specific semantic type, that have values for each property defined in the semantic.