Page Comparison

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  _:aggregation edm:provider "Moomin Valley Historical Society" .

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Child Declarations

Child (Node) Declarations extend the language with tools for specifying nested graph structure. Rather than specifying a value to set on the property, they create new RDF resource.

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  _:agent dpla:providedLabel "Moomin Valley Historical Society" .

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Because the declaration block can accept its own Child Declarations, it is possible to create deeply nested structures.
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  _:littleMy dpla:providedLabel "Little My" .
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 Info
title
Rooted Directed Graphs
 Abstractly, a Krikri::Mapping is a tree of declarations. The declarations themselves can be seen as rules for generating a rooted RDF graph from parsed records. The Aggregation constitutes the root node, and each additional Child Declaration creates a descendent node.
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 Code Block
language
ruby
title
#uri examples
Krikri::Mapper.define(:my_mapping) do
  uri 'this'
  sourceResource class: DPLA::MAP::SourceResource do
    uri 'http://example.org/source_resource'
  end
end
 

Value Methods
 
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 Info
Current and version specific documentation for Value methods is in Parser::ValueArray on RubyDoc.