The absolute value function returns the "size" of a number. The size of a nonnegative number X is always X itself, but if the number is negative it is -X. On implementation need the function would in C and C++ look like:
| Graph IRI | Count |
|---|---|
| http://dbkwik.webdatacommons.org | 4 |
![[RDF Data]](/fct/images/sw-rdf-blue.png)
