A translator from YARRRML to RML mappings.
Project description
YATTER
The tool translates mapping rules from YARRRML in a turtle-based serialization of RML or R2RML.
Installation:
pip install yatter
Execution from CLI
To execute from command line run the following:
- From YARRRML to [R2]RML
python3 -m yatter -i path_to_input_yarrrml.yml -o path_to_rdf_mapping.ttl [-f R2RML]
- From [R2]RML to YARRRML
python3 -m yatter -i path_to_input_rdf_mapping.ttl -o path_to_output_yarrrml.yml [-f R2RML]
-f R2RML
is an optional parameter for translating input YARRRML to R2RML (and inverse)
Execution as a library
If you want to include the module in your implementation:
- for translating YARRRML mapping to RML mappings (and inverse):
import yatter
from ruamel.yaml import YAML
# YARRRML to RML
yaml = YAML(typ='safe', pure=True)
rml_content = yatter.translate(yaml.load(open("path-to-yarrrml")))
# RML to YARRRML
yarrrml_content = yatter.inverse_translate("rdf_mapping_content")
- for translating YARRRML mappings to R2RML mappings (and inverse):
import yatter
from ruamel.yaml import YAML
R2RML_URI = 'http://www.w3.org/ns/r2rml#'
# YARRRML to R2RML
yaml = YAML(typ='safe', pure=True)
rml_content = yatter.translate(yaml.load(open("path-to-yarrrml")), mapping_format=R2RML_URI)
# R2RML to YARRRML
yarrrml_content = yatter.inverse_translate("rdf_mapping_content", mapping_format=R2RML_URI)
- for merging TriplesMap based on id:
import yatter
list_yarrrml_mappings = ["content_mapping_yarrrml1", "content_mapping_yarrrml1"]
yarrrml_content = yatter.merge_mappings(list_yarrrml_mappings)
Specifications conformant:
These are the following specifications used by the translation process:
- YARRRML: https://w3id.org/kg-construct/yarrrml
- R2RML: https://www.w3.org/TR/r2rml/
- RML: https://rml.io/spec
- RML-star: https://w3id.org/rml/star/spec
- RML-IO: https://w3id.org/rml/io/spec
- RML-FNML: https://w3id.org/rml/fnml/spec
To be implemented soon:
- RML-core: https://w3id.org/rml/core/spec
- RML-CC: https://w3id.org/rml/cc/spec
Cite this work:
If you used Yatter in your work, please cite the ICWE2023 paper:
@inproceedings{iglesias2023human,
title={Human-Friendly RDF Graph Construction: Which One Do You Chose?},
author={Iglesias-Molina, Ana and Chaves-Fraga, David and Dasoulas, Ioannis and Dimou, Anastasia},
booktitle={International Conference on Web Engineering},
pages={262--277},
year={2023},
doi={10.1007/978-3-031-34444-2_19},
organization={Springer}
}
Authors
Ontology Engineering Group:
- David Chaves-Fraga
- Marino González García (Final bachelor thesis - Systematic Testing)
- Luis López Piñero (Final bachelor thesis - v0.1)
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