feat: complete wikification of War Commander batch 1&2 and final grey dot cleanup

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2026-04-27 18:58:22 +09:00
parent 3424166ea2
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---
id: NLP-TF-IDF-001
category: "[[10_Wiki/💡 Topics/AI]]"
category: "10_Wiki/💡 Topics/AI"
confidence_score: 1.0
tags: [ai, nlp, tf-idf, information-retrieval, text-mining, keyword-extraction, search-engine]
last_reinforced: 2026-04-26
---
# [[Term Frequency-Inverse Document Frequency (TF-IDF)]]
# Term Frequency-Inverse Document Frequency (TF-IDF)
## 📌 한 줄 통찰 (The Karpathy Summary)
> "문서 내 빈도는 높되 전체 문서군에서는 희귀한 단어에 가중치를 부여하여, 흔한 소음(Stopwords)을 걷어내고 문서의 고유한 '정체성'을 결정짓는 핵심 키워드를 추출하라" — 텍스트 데이터에서 특정 단어가 문서 내에서 가지는 통계적 중요도를 계산하는 수치적 지표.
@@ -24,4 +24,4 @@ last_reinforced: 2026-04-26
## 🔗 지식 연결 (Graph)
- [[Natural-Language-Processing-NLP]], [[Semantic-Search-with-AI]], [[Sparse-Data-Handling]], [[Similarity-Metrics-in-AI]]
- **Raw Source:** [[10_Wiki/Topics/AI/Term-Frequency-Inverse-Document-Frequency.md]]
- **Raw Source:** 10_Wiki/Topics/AI/Term-Frequency-Inverse-Document-Frequency.md