Array :: JenaX Extension Functions

PREFIX array: <http://jsa.aksw.org/fn/array/>
PREFIX norse: <https://w3id.org/aksw/norse#>

• collect
  aggregate function
  collect nodes into array

  SELECT (array:collect(?node) as ?array) {
    ?node ...
  }
  

  norse:array
• explode
  property function
  expand array into multiple variables

  ?array array:explode (?node1 ?node2 ... ?nodeN)
  

• get
  function
  get n-th element of array

  BIND(array:get(?array, ?index) as ?node)
  

• last
  function
  get last element of array

  BIND(array:last(?array) as ?lastNode)
  

• of
  function
  create array from arguments

  BIND(array:of(?node1, ?node2, ..., ?nodeN) as ?array)
  

  norse:array
• size
  function
  get size of array

  BIND(array:size(?array) as ?size)
  

  xsd:int
• toSet
  function
  convert array into set

  BIND(array:toSet(?array) as ?set)
  

  rdf:set
• unnest
  property function
  unnest array into many bindings

  SELECT * {
    ?array array:unnest ?node .
  }
  

  SELECT * {
    ?array array:unnest (?node ?index) .
  }