@@ -9949,11 +9949,9 @@ <h3>Property Path Patterns</h3>
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<p><b>Definition: <span id="defn_evalALP_1">Function ALP</span></b></p>
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<pre class="nohighlight">
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Let <var>ppe</var> be an <a href="#defn_AlgebraicPropertyPathExpression">algebraic property path expression</a>.
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- Let <var>eval</var>(<var>x</var>:term, <var>ppe</var>) be the evaluation of <var>ppe</var>,
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- starting at RDF term <var>x</var>,
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- and returning a multiset of RDF terms reached
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- starting at RDF term <var>x</var>, and returning a multiset
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- of RDF terms reached by repeated matches of <var>ppe</var>.
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+ Let <span id="defn_reachableTerms"><var>reachableTerms</var></span>(<var>x</var>:term, <var>ppe</var>) be the set of RDF terms
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+ reached by repeated matches of <var>ppe</var>,
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+ when starting at RDF term <var>x</var>.
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<a href="#defn_evalALP_1">ALP</a>(<var>x</var>:term, <var>ppe</var>) =
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Let <var>V</var> = empty set
@@ -9965,7 +9963,7 @@ <h3>Property Path Patterns</h3>
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<a href="#defn_evalALP_1">ALP</a>(<var>x</var>:term, <var>ppe</var>, <var>V</var>:set of RDF terms) =
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if ( <var>x</var> in <var>V</var> ) return
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add <var>x</var> to <var>V</var>
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- <var>X</var> = <var>eval </var>(<var>x</var>, <var>ppe</var>)
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+ <var>X</var> = <a href="#defn_reachableTerms">< var>reachableTerms </var></a> (<var>x</var>, <var>ppe</var>)
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For <var>n</var>:term in <var>X</var>
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<a href="#defn_evalALP_1">ALP</a>(<var>n</var>, <var>ppe</var>, <var>V</var>)
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End
@@ -10000,7 +9998,7 @@ <h3>Property Path Patterns</h3>
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# recording nodes for results.
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ppeval(<var>x</var>:term, <a href="#defn_ppeOneOrMorePath" class="ppeOp">OneOrMorePath</a>(<var>ppe</var>), <var>vy</var>:var) =
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- Let <var>X</var> = <var>eval </var>(<var>x</var>, <var>ppe</var>)
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+ Let <var>X</var> = <a href="#defn_reachableTerms">< var>reachableTerms </var></a >(<var>x</var>, <var>ppe</var>)
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Let <var>V</var> = the empty multiset
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For <var>n</var> in <var>X</var>
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<a href="#defn_evalALP_1">ALP</a>(<var>n</var>, <var>ppe</var>, <var>V</var>)
@@ -12646,6 +12644,12 @@ <h2>Changes between SPARQL 1.1 Query Language and SPARQL 1.2 Query Language</h2>
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syntax as links to their respective definition; similarly, mark up all
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mentions of operators of the <a href="#sparqlAlgebra">SPARQL algebra</a>
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as links to their respective definition</li>
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+ <li>Rename the function used to define the evaluation of property path expressions
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+ in <a href="#PropertyPathPatterns" class="sectionRef"></a>
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+ from <i>eval</i> to <i>ppeval</i>.</li>
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+ <li>Rename the function used within the definition of
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+ the <a href="#defn_evalALP_1">ALP</a> function
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+ from <i>eval</i> to <i>reachableTerms</i>.</li>
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<li>Add section <a href="#sparql-error" class="sectionRef"></a> about SPARQL expression evaluation errors</a>.</li>
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<li>Rename section "Filter evaluation" as <a href="#expression-evaluation" class="sectionRef"></a>.</li>
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</ul>
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