How to auto increment a variable in sparql?

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by jerad , in category: Third Party Scripts , 16 days ago

How to auto increment a variable in sparql?

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1 answer

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by gilbert , 15 days ago

@jerad 

In SPARQL, you can use the BIND function to create an auto-incrementing variable. Here is an example query that demonstrates how to use the BIND function for auto-incrementing a variable:

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SELECT ?autoIncrementVar
WHERE {
  {
    SELECT (COUNT(?s) as ?autoIncrementVar)
    WHERE {
      ?s a rdf:Resource .
    }
  }
}


In this query, the COUNT function is used to get the total count of the resources in the RDF graph, and this count is assigned to the variable ?autoIncrementVar. Each time this query is executed, the value of ?autoIncrementVar will be automatically incremented based on the count of resources in the dataset.