意味論的正確性の尺度としての本体学的差異化
P García-Cuadrillero1, F Revuelta2, J A Capitán1
1Universidad Politécnica de Madrid, Complex Systems Group, Department of Applied Mathematics, Avenida Juan de Herrera 6, 28040 Madrid, Spain.
Physical review. E
|February 20, 2026
まとめ
オントロジカル・ディファレンシエーション (OD) は,辞書定義を使用して意味的距離を測定する新しい方法を提供します. この定義ベースのメトリックは,他の方法とは独立しており,語彙ネットワークでより一貫したナビゲーションパスを作成するのに役立ちます.
科学分野:
- ネットワーク科学 ネットワーク科学
- コンピューティング言語学
- レキシカル・セマンティクスとは
背景:
- 複雑なネットワークにおける意味関係を理解することは,ネットワーク科学と言語モデリングにおいて極めて重要です.
- 既存のネットワークの埋め込み方法は,文脈的な類似性を捉えますが,明示的な定義構造に基づいて意味的距離を定量化することに苦労します.
研究 の 目的:
- オントロジカル・ディファレンシエーション (OD) を,意味論的差異を測定する公式の方法として紹介する.
- ODの効果と独立性を他の意味的類似度と比較して評価する.
- 辞書ネットワーク内のナビゲーション経路の分析におけるODの有用性を評価する.
主な方法:
- 再帰的な定義拡張の際に重複を分析することによって,本体論的差別化 (OD) を開発した.
- シンプル・イングリッシュ・ウィキ辞書から抽出したネットワークにODを適用した.
- ランダムウォークネットワークの探索から得られたコサイヌの類似性によるODスコアを200万の単語ペアで比較した.
主要な成果:
- ODスコアとコサイヌの類似性との間の相関が弱いことが判明し,ODを独立した定義に基づく意味学メトリックとして確立しました.
- ODとコサイヌの類似性の間の正交性の増加は,意味論的な内容が低い項を削除した後に観察されました.
- セマンティック・ナビゲーション (SN) パスが,最も短いパスよりも大幅に低い累積的なODスコアを生むことを実証しました.
結論:
- オントロジカル・ディファレンシエーションは,意味論的逸脱のための新しい,定義に基づくメトリックを提供します.
- ODは,既存の埋め込みベースの類似度測定から大きく独立しています.
- ODスコアは,セマンティック・ナビゲーションが語彙ネットワークの最短経路よりも定義的に一貫した経路を生成することを検証します.
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