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OntoEvidence-BR

OntoEvidence-BR is an open Brazilian Portuguese dataset for GLiNER, GLiNER2, NER, schema-guided information extraction, ontology-guided extraction, and operational service triage.

OntoEvidence-BR é um dataset aberto em português brasileiro para extração de evidências operacionais orientadas por ontologia, com frases curtas, ruidosas e hard negatives semânticos.

Descrição

  • Tamanho: ~2.014 amostras (train: 1.812 / val: 100 / test: 102)
  • Licença: Apache-2.0
  • Idioma: pt-BR
  • Fonte: 100% sintético

Domínios cobertos

Domínio Subdomínios Exemplos de targets
assistance auto, residencial auto_mechanical_issue, residential_electrical_issue, residential_lockout_issue, residential_break_in_issue, residential_plumbing_issue
technical_support software, infrastructure, networking, data, security backend_incident, frontend_incident, infrastructure_memory_issue, data_validation_issue, authorization_issue
education matematica, portugues, pedagogico math_quadratic_equation, math_linear_equation, portuguese_text_interpretation, pedagogical_learning_difficulty

Hard negatives embutidos

Cada amostra inclui hard_negatives — labels semanticamente próximos mas incorretos. Exemplos:

Surface Positivo Hard negative
"marcha" cambio_signal motor_signal
"motor de arranque" motor_arranque_signal motor_signal
"chuveiro queimou" eletrica_residencial_signal eletroeletronico_signal
"porta foi arrombada" arrombamento_signal chaveiro_signal
"erro 502 após deploy" http_5xx_signal, backend_signal frontend_signal
"bhaskara" equacao_2_grau_signal equacao_1_grau_signal

Métrica principal: Hard Negative Discrimination Accuracy.

Formato

{
  "id": "assistance_auto_000001",
  "language": "pt-BR",
  "domain": "assistance",
  "subdomain": "auto",
  "text": "a marcha n esta fucionando",
  "evidence": [
    {"span": "marcha", "label": "marcha", "start": 2, "end": 8},
    {"span": "marcha", "label": "cambio_signal", "start": 2, "end": 8},
    {"span": "marcha", "label": "pane_mecanica_signal", "start": 2, "end": 8}
  ],
  "target": "auto_mechanical_issue",
  "hard_negatives": ["motor_signal", "auto_electrical_issue"],
  "metadata": {
    "source": "synthetic",
    "noise": ["typo", "informal", "no_accent", "lowercase"],
    "difficulty": "hard",
    "ontology_version": "0.1"
  }
}

Schema: docs/ontoevidence_br.schema.json.

Ontologias

Ontologias em YAML no repositório:

  • ontologies/assistance.yaml
  • ontologies/technical_support.yaml
  • ontologies/education.yaml

Veja também

  • ottema/gliner2-ptbr — modelo generalista (pode ser usado com labels deste dataset em modo zero-shot)
  • ottema/gliner2-ptbr-ontoevidence-demo — demo Gradio
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