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| - A more common use of templates is to relate data values in a resource to class instances in the ontology. Assume we are annotating a relational table labeled {{R}} with attributes {{x}}, {{y}}, and {{z}}[3] <a href="#3"/>[3]</a>. The following pattern, which uses a {{foreach}} attribute, creates an instance of class {{C}} for every unique value of {{x}} in the dataset. |
| + A more common use of templates is to relate data values in a resource to class instances in the ontology. Assume we are annotating a relational table labeled {{R}} with attributes {{x}}, {{y}}, and {{z}}[3]. The following pattern, which uses a {{foreach}} attribute, creates an instance of class {{C}} for every unique value of {{x}} in the dataset. |
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| - <p> <a name="7">[7]</a> Implicitly, this pattern is equivalent to the pattern: |
| + [#7] Implicitly, this pattern is equivalent to the pattern: |
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| - <pre> |
| - <individual type="ont:C" foreach="R.x"> |
| - <property type="ont:P" value="$R.y" foreach="R.y"/> |
| - </individual> |
| + {{{ |
| + <individual type="ont:C" foreach="R.x"> |
| + <property type="ont:P" value="$R.y" foreach="R.y"> |
| + </individual> |
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| - |
| - <p> That is, for each unique <code>x</code>, <code>y</code> pair, |
| - assign a <code>P</code> property with value <code>y</code> to the |
| - corresponding <code>C</code> instance. Additional uses of |
| - <code>foreach</code> attributes on properties are discussed later. |
| - |
| - <p> <a name="8">[8]</a> Because the variable used within a |
| - <code>value</code> attribute is implicitly carried over to the |
| - <code>property</code> statement's <code>foreach</code> expression |
| - (see <a href="#7">[7]</a>), these resource variables are considered |
| - to be part of the <code>property</code> statement's iteration |
| - context. |
| - |
| - <p> <a name="9">[9]</a> Pattern references can be cyclic, i.e., a |
| - property within a pattern p can contain a property that refers to p. |
| + }}} |
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| + That is, for each unique <code>x</code>, <code>y</code> pair, assign a <code>P</code> property with value <code>y</code> to the corresponding <code>C</code> instance. Additional uses of <code>foreach</code> attributes on properties are discussed later. |
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| - </body> |
| - </html> |
| + [#8] Because the variable used within a {{value}} attribute is implicitly carried over to the {{property}} statement's {{foreach}} expression (see [7]), these resource variables are considered to be part of the {{property}} statement's iteration context. |
| At line 792 added 1 line. |
| + [#9] Pattern references can be cyclic, i.e., a property within a pattern p can contain a property that refers to p. |
