RDF.ex v1.0.0

View Source RDF.Query.BGP (RDF.ex v1.0.0)

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.

Link to this section Summary

Types

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

Functions

variables(bgp)

Return a list of all variables in a BGP.

Link to this section Types

Link to this type

t()

View Source 
@type t() :: %RDF.Query.BGP{triple_patterns: triple_patterns()}
Link to this type

triple_pattern()

View Source 
@type triple_pattern() ::
  {subject :: variable() | RDF.Star.Statement.subject(),
   predicate :: variable() | RDF.Star.Statement.predicate(),
   object :: variable() | RDF.Star.Statement.object()}
Link to this type

triple_patterns()

View Source 
@type triple_patterns() :: [triple_pattern()]
Link to this type

variable()

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

Link to this section Functions

Link to this function

variables(bgp)

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

Return a list of all variables in a BGP.