The tool translates mapping rules from YARRRML in a turtle-based serialization of RML or R2RML.

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  • License: Other/Proprietary License (Apache License)
  • Author: David Chaves
  • Requires: Python <4.0, >=3.9
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Project description

YATTER

YATTER

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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:

To be implemented soon:

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

CiTIUS - Universidade de Santiago de Compostela (2023-now):

  • David Chaves-Fraga
  • Rubén Buján Vide (Final bachelor thesis - Mapping normalization, RML-cc and library management)

Ontology Engineering Group - Universidad Politécnica de Madrid (2021-2023):

  • David Chaves-Fraga
  • Marino González García (Final bachelor thesis - Systematic Testing)
  • Luis López Piñero (Final bachelor thesis - v0.1)

Project details

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  • License: Other/Proprietary License (Apache License)
  • Author: David Chaves
  • Requires: Python <4.0, >=3.9
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