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1 PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
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2 PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
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3 PREFIX owl: <http://www.w3.org/2002/07/owl#>
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4 PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
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5 PREFIX abc: <http://example.org/abc#>
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6 PREFIX seq: <http://example.org/seq#>
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7 PREFIX sia: <http://example.org/sia#>
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8
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9 CONSTRUCT { ?vte sia:dimVal _:dv .
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10 _:dv sia:dimension ?dim;
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11 sia:value ?val}
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12 WHERE
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13 {
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14 ?vte rdf:type sia:VectorTableElement .
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15 ?vte sia:fromDatapoint ?datapoint1 .
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16 ?vte sia:toDatapoint ?datapoint2 .
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17 ?datapoint1 rdf:type sia:Datapoint .
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18 ?datapoint1 sia:dimVal ?dv1 .
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19 ?dv1 sia:dimension ?dim .
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20 ?dv1 sia:value ?val1 .
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21 ?datapoint2 rdf:type sia:Datapoint .
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22 ?datapoint2 sia:dimVal ?dv2 .
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23 ?dv2 sia:dimension ?dim .
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24 ?dv2 sia:value ?val2 .
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25 ?datapoint1 sia:orderedIndex ?i1 .
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26 ?datapoint2 sia:orderedIndex ?i2 .
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27 BIND (?val2 - ?val1 AS ?val)
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28 FILTER ((?datapoint1 != ?datapoint2) && (?i1 < ?i2))
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29 }
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30 GROUP BY ?vte ?datapoint1 ?datapoint2 ?dim ?val
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