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import os |
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import datasets |
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from datasets import SplitGenerator, DatasetInfo, GeneratorBasedBuilder |
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from rdflib import Graph, URIRef, Literal, BNode |
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from rdflib.namespace import RDF, RDFS, OWL, XSD, DCTERMS, SKOS, DCAM, Namespace |
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from datasets.features import Features, Value |
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D3F = Namespace('http://d3fend.mitre.org/ontologies/d3fend.owl#') |
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class D3FENDDatasetBuilder(GeneratorBasedBuilder): |
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VERSION = "1.0.0" |
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def _info(self): |
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return DatasetInfo( |
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description="D3FEND is a framework which encodes a countermeasure knowledge base as a knowledge graph. The graph contains the types and relations that define key concepts in the cybersecurity countermeasure domain and the relations necessary to link those concepts to each other. Each of these concepts and relations are linked to references in the cybersecurity literature.", |
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homepage="https://d3fend.mitre.org/", |
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license="MIT", |
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features=Features({ |
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'subject': Value('string'), |
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'predicate': Value('string'), |
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'object': Value('string') |
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}) |
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) |
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def _split_generators(self, dl_manager): |
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extracted = dl_manager.download_and_extract("d3fend.nt.gz") |
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return [SplitGenerator(name=datasets.Split.TRAIN, |
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gen_kwargs={'filepath': extracted})] |
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def _generate_examples(self, filepath): |
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id_ = 0 |
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graph = Graph(bind_namespaces="core") |
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graph.parse(filepath) |
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for (s, p, o) in graph.triples((None, None, None)): |
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yield id_, { |
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'subject': s.n3(), |
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'predicate': p.n3(), |
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'object': o.n3() |
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} |
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id_ += 1 |
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from rdflib.util import from_n3 |
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def triple(features): |
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try: |
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subject_node = from_n3(features['subject']) |
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predicate_node = from_n3(features['predicate']) |
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object_node = from_n3(features['object']) |
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return (subject_node, predicate_node, object_node) |
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except Exception as e: |
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print(f"Error transforming features {features}: {e}") |
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return (None, None, None) |
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from datasets import load_dataset |
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