View Source RDF.Query.BGP (RDF.ex v2.0.0)

A struct for Basic Graph Pattern queries.

See RDF.Query and its functions on how to construct this query struct and apply it on RDF.Graphs.

Summary

Types

t()
triple_pattern()
triple_patterns()
variable()

Functions

variables(bgp)

Return a list of all variables in a BGP.

Types

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t()

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@type t() :: %RDF.Query.BGP{triple_patterns: triple_patterns()}
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triple_pattern()

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@type triple_pattern() ::
  {subject :: variable() | RDF.Star.Statement.subject(),
   predicate :: variable() | RDF.Star.Statement.predicate(),
   object :: variable() | RDF.Star.Statement.object()}
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triple_patterns()

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@type triple_patterns() :: [triple_pattern()]
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variable()

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@type variable() :: String.t()

Functions

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variables(bgp)

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@spec variables(any()) :: [atom()]

Return a list of all variables in a BGP.