# Export mapping (String)

### Description 
Generates triples from a set of matches `[OBJ,STRING]`, by inserting the predicate (`Attribute`). 

### Input
- `MAPPING [OBJ,STRING]`: the pairs of which the first column becomes the subject and the latter becomes the attribute value 

### Output
- `RESULT [STRING,STRING,STRING]`: serialised triples. The second column is a constant defined by the parameter `Attribute`

### Parameters
- `Attribute`: defines the constant value for the second column of the output.