グローバルなソーシャルネットワークでの検索に関する実験的研究
Peter Sheridan Dodds1, Roby Muhamad, Duncan J Watts
1Institute for Social and Economic Research and Policy, Columbia University, 420 West 118th Street, New York, NY 10027, USA.
Science (New York, N.Y.)
|August 9, 2003
まとめ
グローバルなソーシャル検索の成功は,人気のある個人だけでなく,弱い絆と専門的なつながりに依存しています. 目標を達成するには,約5〜7のステップが必要ですが,個人の動機付けが重要です.
科学分野:
- ソーシャルネットワークの分析
- 社会学 社会学 社会学とは
- 情報科学は情報科学である.
背景:
- 大規模なソーシャルネットワークで個人がどのようにナビゲートするのかを理解することは,コミュニケーションと情報拡散にとって極めて重要です.
- 以前の研究は,しばしば強い絆や,高度に繋がっている個人の役割 (ハブ) に焦点を当てていた.
研究 の 目的:
- 大規模な実験を通じて,成功するグローバル・ソーシャル・サーチのダイナミクスを調査する.
- 遠い目標の達成を促進または妨げる社会的絆やネットワーク構造の特徴を特定する.
主な方法:
- 13カ国の6万人を超える参加者を含む世界的な社会調査実験を実施しました.
- メッセージ転送チェーンを分析し,検索の成功と失敗の経路とその特徴を特定しました.
- 目標を達成するために必要なステップの数を推定するために,メッセージチェーンの消耗を考慮した.
主要な成果:
- 成功するソーシャル検索は,主に中等から弱い社会的絆を利用します.
- 高度なつながりを持つ個人 ("ハブ") は,成功するソーシャル検索に不可欠ではありません.
- プロフェッショナルな関係は,成功しないものと比較して,検索の成功に不釣り合いな重要な役割を果たします.
- ソーシャル検索は,ソースからターゲットまでの距離によって影響を受け,平均5〜7つのステップでターゲットに到達します.
結論:
- グローバルソーシャルネットワークは理論的には検索可能ですが,実用的な成功は個々のインセンティブとネットワーク構造に大きく依存しています.
- 発見は,大規模なソーシャルネットワークをナビゲートする際の絆の強さと関係性のタイプの重要性を強調しています.
- ソーシャル検索の最適化には,個人の参加とネットワークのダイナミクスのニュアンスを理解し,活用する必要があります.
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