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Corese is a Semantic Web Factory (triple store and SPARQL endpoint) implementing RDF, RDFS, SPARQL 1.1 Query and Update.

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#
# defaut processing of a variable is 
# st:turtle on URI and Literal
# st:apply-templates on Blank
#
# Olivier Corby, Wimmics Inria I3S, 2014
#
template st:profile {

   
}
where {
}

 function st:process(?in) { 
        if (st:get(st:mode, st:html), st:html(?in), st:std(?in))
    }
    
    function st:html(?in) {  
	  if (isBlank(?in), st:blank(?in), st:protect(?in))
    }
    
    function st:std(?in) {          
	  if (isBlank(?in), st:apply-templates(?in), st:turtle(?in))
    }
    
    function st:blank(?in){
      if (st:visited(?in), 
	      concat("", st:apply-templates(?in), ""),
	      concat("", 
		st:apply-templates(?in), ""))
    }
    
    function st:protect2(?in) {
      let (?t = st:turtle(?in)){
	if (strstarts(?t, "<"), 
	    replace(?t, "<", "<"),
	    ?t)
      }
    }
    
    function st:protect(?in) {
	xt:protect(st:turtle(?in))
    }
    
    function xt:protect(?s) {
        replace(replace(?s, "&", "&"), "<", "<")
    }
    
    function xt:pprotect(?s) {
        if (st:get(st:mode, st:html), xt:protect(?s), ?s)
    }
    
    function st:kw(?x) {
       if (st:get(st:mode, st:html), st:htmlkw(?x), st:stdkw(?x))
    }
    
    function st:htmlkw(?x) {
       concat("", str(?x), "")
    }

    function st:stdkw(?x) {
       str(?x)
    }	
    
    function st:namespace() {
      let (?p = st:prolog()){
	if (st:get(st:mode, st:html), 
	  replace(?p, "<", "<"), 
	  ?p)
      }
    }