kishorebanala opened a new issue, #3461:
URL: https://github.com/apache/jena/issues/3461
### Version
jena-5.5.0
### Feature
### Description:
Implement W3C RDF Dataset Canonicalization (RDFC-1.0) algorithm in Apache
Jena with output in canonical N-Quads format. This enables deterministic
serialization of RDF datasets by assigning canonical identifiers to blank nodes.
References:
- RDFC-1.0 Algorithm: https://www.w3.org/TR/rdf-canon/
- Canonical N-Quads Format:
https://www.w3.org/TR/rdf12-n-quads/#canonical-quads
- W3C Test Suite:
https://github.com/w3c/rdf-tests/tree/main/rdf/rdf12/rdf-n-quads/c14n and
https://w3c.github.io/rdf-canon/tests/
### Tasks:
- [ ] Create NQuadsCanonicalWriter class extending WriterDatasetRIOTBase
- [ ] Add NQUADS_CANONICAL format constant to RDFFormat
- [ ] Register canonical writer factory in RDFWriterRegistry
- [ ] Implement RDFC10Canonicalizer with complete RDFC-1.0 algorithm
- [ ] Create HashUtils for SHA-256 hash computations and lexicographic
sorting
- [ ] Implement CanonicalIssuer for _c14n_N blank node identifier
assignment
- [ ] Add DatasetProcessor for blank node extraction and dataset
processing
- [ ] Download and integrate W3C canonicalization test suite to
jena-arq/testing/rdf12-wg/rdf-n-quads-c14n/
- [ ] Update Scripts_RIOT_c14n.java test factory following existing RIOT
patterns
- [ ] Implement RDFCanonicalizationTest for algorithm validation
leveraging https://w3c.github.io/rdf-canon/tests/
- [ ] Add writeCanonical() and canonicalizeDataset() methods to RDFDataMgr
- [ ] Add --canonical flag support to riot command line tool
- [ ] Update documentation and create usage examples
### Are you interested in contributing a solution yourself?
Yes
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