{
  "education_level": "Master's/Professional",
  "education_level_source": "https://www.igf.org.tw/twigf2020/2020_speaker/shyh-fang-liu",
  "education_level_confidence": 0.7,
  "education_institution": "Oklahoma State University",
  "education_institution_source": "https://en.wikipedia.org/wiki/Liu_Shyh-fang",
  "education_institution_confidence": 0.7,
  "education_field": "Chemical Engineering (Bachelor's), Environmental Engineering (Master's)",
  "education_field_source": "https://www.igf.org.tw/twigf2020/2020_speaker/shyh-fang-liu",
  "education_field_confidence": 0.7,
  "prior_occupation": "Unknown",
  "prior_occupation_source": null,
  "prior_occupation_confidence": null,
  "class_background": "Unknown",
  "class_background_source": null,
  "class_background_confidence": null,
  "disability_status": "Unknown",
  "disability_status_source": null,
  "disability_status_confidence": null,
  "birth_place": "Unknown",
  "birth_place_source": null,
  "birth_place_confidence": null,
  "birth_year": 2021,
  "birth_year_source": "https://en.wikipedia.org/wiki/Liu_Shyh-fang",
  "birth_year_confidence": 0.7,
  "lgbtq_status": "Unknown",
  "lgbtq_status_source": null,
  "lgbtq_status_confidence": null,
  "lgbtq_details": null,
  "lgbtq_details_source": null,
  "lgbtq_details_confidence": null,
  "confidence": 0.6238,
  "justification": "Source-backed searches resolved 4 core fields (including birth_year, education_field, education_institution), while 6 core fields remain unknown due to limited verifiable evidence. Top unresolved reasons: recovery_blocked_no_candidates(6)."
}