RDF Canonicalization

import 'package:rdf_canonicalization/rdf_canonicalization.dart';
import 'package:rdf_core/rdf_core.dart';

void main() {
  // Two N-Quads with same meaning, different blank node labels
  final nquads1 = '''
    _:alice <http://xmlns.com/foaf/0.1/name> "Alice" .
    _:alice <http://xmlns.com/foaf/0.1/knows> _:bob .
    _:bob <http://xmlns.com/foaf/0.1/name> "Bob" .
  ''';

  final nquads2 = '''
    _:person1 <http://xmlns.com/foaf/0.1/name> "Alice" .
    _:person1 <http://xmlns.com/foaf/0.1/knows> _:person2 .
    _:person2 <http://xmlns.com/foaf/0.1/name> "Bob" .
  ''';

  final dataset1 = nquads.decode(nquads1);
  final dataset2 = nquads.decode(nquads2);

  // Test semantic equivalence
  print('Are isomorphic: ${isIsomorphic(dataset1, dataset2)}'); // true

  // Get canonical forms (identical for isomorphic graphs)
  final canonical1 = canonicalize(dataset1);
  final canonical2 = canonicalize(dataset2);
  print('Canonical forms match: ${canonical1 == canonical2}'); // true
}

# Add to your pubspec.yaml
dart pub add rdf_canonicalization
dart pub add rdf_core  # For creating RDF graphs