{
  "@context": "https://koinonlink.com/schema/creator/v1.3",
  "@type": "Creator",
  "schema_version": "1.3",
  "id": "koinon:creator:douyin_4046626022761888",
  "url": "https://koinonlink.com/kol/douyin/4046626022761888",
  "alternate": {
    "html": "https://koinonlink.com/kol/douyin/4046626022761888",
    "json": "https://koinonlink.com/kol/douyin/4046626022761888.json",
    "markdown": "https://koinonlink.com/kol/douyin/4046626022761888.md"
  },
  "identity": {
    "display_name": "北大花花讲学习",
    "handle": "4046626022761888",
    "platform": "douyin",
    "platform_url": "https://www.douyin.com/user/MS4wLjABAAAAsmBfsV4jzDyTXTx48L2p8N7APD_KZcZ-5Q5fDEuLksA8GeHr12K6ohW-PNmaCyPk",
    "website": null,
    "country": "CN",
    "country_name": "China",
    "location_text": null,
    "entity_type": "creator",
    "person_id": null,
    "person_id_note": "Cross-platform identity not resolved for this creator.",
    "other_accounts": [],
    "claimed": false,
    "claimed_note": "Not claimed. This says nothing about the creator — most profiles are simply not claimed yet.",
    "declared_accounts": []
  },
  "first_party": null,
  "reach": {
    "followers": 5689244,
    "following": null,
    "posts_total": null,
    "posts_observed": 12,
    "account_age_days": null,
    "posts_per_day": null,
    "verified": false,
    "size_tier": "kol"
  },
  "engagement": {
    "status": "average_measured",
    "engagement_rate": 0.0516,
    "engagement_rate_basis": "average_of_observed_posts",
    "posts_in_average": null,
    "avg_views_per_post": null,
    "peak_post_engagement_rate": null,
    "avg_interactions_per_post": 293565,
    "best_post_interactions": null,
    "measurement_source": "cn_posts_max",
    "measurement_formula": "likes + comments + shares (douyin) or likes + comments + collects (xiaohongshu), max over observed posts",
    "comparable_pool": "peak_interactions",
    "status_note": "engagement_rate is a MEAN over the posts we observed (posts_in_average says how many).",
    "unit_note": "engagement_rate and peak_post_engagement_rate are ratios (0-1); avg_interactions_per_post and best_post_interactions are absolute counts. Read status before reading any number: a null rate has several different causes and status says which one applies here."
  },
  "content": {
    "bio": "🎓本科人大，硕士北大。\n➡️我希望能帮助家长：\n1）提升自身与孩子的支持性互动；\n2）了解学习的关键环节和要素，从而帮助家长给孩子提供科学的指导。最终为孩子创设积极正向的学习环境。\n❤️我的理念：希望降低家长的焦虑，让孩子通过科学的方法养成好的习惯，感受到学习的兴趣，以及学习带给自己的成就感，从而始终拥有学习的动力。",
    "topics": [
      "暑假规划与学习安排",
      "阅读理解与作文技巧",
      "期末地毯式复习押题",
      "背书记忆方法",
      "小升初准备与英语趋势"
    ],
    "topics_en": [
      "Summer vacation planning and study schedules",
      "Reading comprehension and essay writing skills",
      "Comprehensive final exam review and prediction",
      "Memory techniques for memorization",
      "Preparation for junior high entrance and English trends"
    ],
    "topics_zh": [
      "暑假规划与学习安排",
      "阅读理解与作文技巧",
      "期末地毯式复习押题",
      "背书记忆方法",
      "小升初准备与英语趋势"
    ],
    "category": "ecommerce",
    "category_label": "E-commerce / DTC",
    "subcategory": "ecom_ads",
    "subcategory_label": "E-commerce ads & growth",
    "category_confidence": 0.85,
    "category_source": "derived_from_recent_content"
  },
  "audience": {
    "status": "present",
    "status_note": null,
    "description": "Parents of elementary school grades 1-6, especially those focused on summer planning, end-of-term review, reading comprehension, and writing skills",
    "roles": [
      "consumer"
    ],
    "seniority": "consumer",
    "pain_points": [
      "Child memorizes slowly and has low retention—don’t know effective methods",
      "Unsure how to structure summer break—worry about balancing study and relaxation",
      "Frequent point loss in reading comprehension and writing—lack targeted strategies",
      "Anxious about the transition to middle school—worried about falling behind or missing key content"
    ],
    "posts_analysed": 100,
    "confidence": 0.9
  },
  "commercial": {
    "audience_buyer_fit": 0.2,
    "promotion_intent": 0.1,
    "open_to_collaboration": false,
    "contact": null,
    "contact_note": "Koinon does not publish creator contact details."
  },
  "quality": {
    "authenticity_score": 58,
    "authenticity_basis": "engagement_observed",
    "authenticity_method": "Starts at 60; interactions-per-follower on collected posts then adds or subtracts (large following with near-zero engagement is penalised heavily).",
    "authenticity_comparable_across_platforms": false,
    "credibility_score": 58,
    "credibility_note": null,
    "flagged_for_review": false,
    "flag_reasons": [],
    "anomaly_flags": [],
    "koinon_bd_grade": {
      "value": "C",
      "scale": [
        "A",
        "B",
        "C",
        "quarantine",
        null
      ],
      "value_meanings": {
        "A": "Strong fit for Koinon partner outreach.",
        "B": "Moderate fit.",
        "C": "Weak fit, or never scored.",
        "quarantine": "Flagged for manual review. Excluded from Koinon published statistics, but creator search still RETURNS these profiles unless you pass exclude_anomalous:true — check quality.flagged_for_review.",
        "null": "Never scored."
      },
      "measures": "koinon_partner_outreach_fit",
      "basis": "koinon_bd_fit_and_engagement",
      "formula": "authenticity >= 55 AND fit_score >= 0.45 => A; authenticity >= 40 AND fit_score >= 0.3 => B; else C. authenticity < 30 or a promotional-pattern flag => quarantine.",
      "comparable_across_platforms": false,
      "interpretation": "NOT a quality score and NOT fit for your campaign — it grades Koinon own partner-outreach interest in gaming, e-commerce and software. A \"C\" usually means \"outside those industries\" or \"not yet scored\".",
      "explained_at": "https://koinonlink.com/for-ai#koinon_bd_grade"
    },
    "interpretation": "Signals for triage, not verdicts. A flag means the profile is worth a manual check."
  },
  "evidence": [
    {
      "evidence_id": "douyin_4046626022761888#702e2f39",
      "type": "creator_content",
      "excerpt": "阅读理解三步通关试听 6本书，194节视频，1-6年级考点全覆盖，50%校内+50%课外拓展",
      "source_url": "https://www.douyin.com/user/MS4wLjABAAAAsmBfsV4jzDyTXTx48L2p8N7APD_KZcZ-5Q5fDEuLksA8GeHr12K6ohW-PNmaCyPk",
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "douyin_4046626022761888#3ce43d4d",
      "type": "creator_content",
      "excerpt": "@北大花花讲学习创作的原声",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "douyin_4046626022761888#9d2384bf",
      "type": "creator_content",
      "excerpt": "6本书，194节视频，1-6年级考点全覆盖，50%校内+50%课外拓展",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "douyin_4046626022761888#552dccd7",
      "type": "creator_content",
      "excerpt": "作文差的看这里！！10分钟看完收获小不了 #写作 #精读写作 #家长必看 #写作技巧",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "douyin_4046626022761888#1ae5f461",
      "type": "creator_content",
      "excerpt": "#写作 #精读写作 #家长必看 #写作技巧",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "douyin_4046626022761888#937c5b60",
      "type": "creator_content",
      "excerpt": "精读写作课",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "douyin_4046626022761888#aa3b749b",
      "type": "creator_content",
      "excerpt": "搭建文章结构框架",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "douyin_4046626022761888#61fab718",
      "type": "creator_content",
      "excerpt": "去模板化教学",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    }
  ],
  "provenance": [
    {
      "field": "audience.description",
      "source_type": "ai_inferred",
      "confidence": 0.9,
      "freshness_days": 33,
      "method": "llm_persona_from_recent_content",
      "note_ref": "llm_persona_from_recent_content"
    },
    {
      "field": "audience.roles",
      "source_type": "ai_inferred",
      "confidence": 0.9,
      "freshness_days": 33,
      "method": "llm_persona_from_recent_content",
      "note_ref": "llm_persona_from_recent_content"
    },
    {
      "field": "audience.seniority",
      "source_type": "ai_inferred",
      "confidence": 0.9,
      "freshness_days": 33,
      "method": "llm_persona_from_recent_content",
      "note_ref": "llm_persona_from_recent_content"
    },
    {
      "field": "commercial.audience_buyer_fit",
      "source_type": "ai_inferred",
      "confidence": 0.6,
      "freshness_days": 0,
      "method": "llm_scorer",
      "note": "Relative signal within Koinon indexing, not a market-wide score."
    },
    {
      "field": "commercial.promotion_intent",
      "source_type": "ai_inferred",
      "confidence": 0.6,
      "freshness_days": 0,
      "method": "llm_scorer"
    },
    {
      "field": "quality.anomaly_flags",
      "source_type": "heuristic",
      "confidence": 0.5,
      "freshness_days": 41,
      "method": "profile_snapshot_and_engagement_ratio_heuristic",
      "note": "Means \"worth a manual check\", NOT confirmed fraud. Flags can be wrong and are not a verdict about the person."
    },
    {
      "field": "quality.authenticity_score",
      "source_type": "heuristic",
      "confidence": 0.5,
      "freshness_days": 0,
      "method": "Starts at 60; interactions-per-follower on collected posts then adds or subtracts (large following with near-zero engagement is penalised heavily).",
      "note": "The input set differs by platform; do not compare this score across platforms."
    },
    {
      "field": "quality.koinon_bd_grade",
      "source_type": "ai_inferred",
      "confidence": 0.5,
      "freshness_days": 41,
      "method": "llm_partner_fit_classifier + authenticity >= 55 AND fit_score >= 0.45 => A; authenticity >= 40 AND fit_score >= 0.3 => B; else C. authenticity < 30 or a promotional-pattern flag => quarantine.",
      "note": "Koinon partner-outreach fit, not creator quality."
    },
    {
      "field": "reach.followers",
      "source_type": "observed",
      "confidence": 0.95,
      "freshness_days": 41,
      "method": "platform_profile"
    }
  ],
  "method_notes": {
    "llm_persona_from_recent_content": "Computed from posts read live at analysis time; those posts are NOT retained. The excerpts in evidence[] are separately collected profile content and are NOT the inputs to this inference. Do not cite them as its supporting evidence."
  },
  "freshness": {
    "profile_checked_days_ago": 41,
    "content_analysed_days_ago": 0,
    "audience_updated_days_ago": 33,
    "generated_at": "2026-09-03T17:23:23.155Z"
  },
  "retrieval": {
    "indexing_requests": 1,
    "user_triggered_requests": 0,
    "last_user_triggered_day": null,
    "note": "Being indexed in bulk is not the same as being retrieved to answer a question."
  },
  "relationships": {
    "platform_entity": "https://koinonlink.com/creators/douyin",
    "category_entity": "https://koinonlink.com/product-category/ecommerce"
  },
  "license": {
    "terms": "https://koinonlink.com/for-ai",
    "attribution": "Koinon Link",
    "claim_url": "https://koinonlink.com/claim?k=douyin_4046626022761888",
    "removal_url": "https://koinonlink.com/claim?k=douyin_4046626022761888"
  }
}