JP5810176B2 - 対話管理方法及びこれを実行する装置 - Google Patents
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Description
111:第1計算ユニット
131:第2計算ユニット
151:第3計算ユニット
103:類似度計算部
105:発話意図検証部
107:教育要素適用部
108:最終点数計算部
109:順位出力部
Claims (12)
- あらかじめ定義されたコーパスを記憶する記憶部と、
ユーザと教育装置間の対話を受信するための音声受信部と、
前記音声受信部により受信されたユーザと教育装置間の対話の流れに含まれた少なくとも1つの発話に対して形態素解析を行い、前記記憶部に記憶されたあらかじめ定義されたコーパスに基づいて前記発話の発話意図を取得する発話意図取得部と、
前記取得された発話意図の重要度、発話意図間の類似度及び発話意図間の相対的距離を計算する計算部と、
前記あらかじめ定義されたコーパスから獲得された例題対話の流れと現在までユーザと教育装置間の対話の流れを前記発話意図の重要度及び前記発話意図間の類似度を反映したレーベンシュタイン距離測定方法を利用して比較し、前記比較結果によって対話の流れ間の類似度を計算する類似度計算部と、
前記発話意図間の相対的距離によってユーザと教育装置間の対話の流れに含まれたユーザ発話の発話意図の組合せが適切であるか評価し、発話意図評価点数を計算する発話意図検証部とを含み、
前記計算部は、
前記取得された発話意図及び該取得された発話意図との先後関係に存在する発話意図の多様性を把握し、発話の意図の重要度を計算する第1計算ユニットと、
前記取得された発話意図及び該取得された発話意図と先後関係に存在する発話意図の分布状態を把握し、発話意図間の類似度を計算する第2計算ユニットと、
前記取得された発話意図及び該取得された発話意図と先後関係に存在するすべての発話意図を組み合わせて、発話意図の相対的距離を計算する第3計算ユニットを含むことを特徴とする対話管理装置。 - 前記類似度計算部は、
前記発話意図間に挿入、削除及び入れ替えのうち少なくとも1つの動作が実行されるときに発生する費用に前記発話意図の重要度による数値を適用して、前記発話意図間の類似度が大きいほど前記費用を減少させ、前記対話の流れ間の類似度を計算することを特徴とする請求項1に記載の対話管理装置。 - 前記発話意図検証部は、
前記評価点数があらかじめ定められた点数以下である場合、ユーザ発話にエラーが存在すると判断し、これをユーザにフィードバックすることを特徴とする請求項1に記載の対話管理装置。 - 前記発話意図検証部は、
前記ユーザ発話及び現在まで対話が進行されながら発生した発話の組合を組み合わせて、組み合わせたペアに対する相対的距離を計算し、前記計算された相対的距離によって発話意図評価点数を計算することを特徴とする請求項1に記載の対話管理装置。 - 前記対話の流れ間の類似度及び発話意図評価点数を利用して最終点数を計算する最終点数計算部をさらに含むことを特徴とする請求項1に記載の対話管理装置。
- 最終点数を基礎として予想発話意図順位を出力する順位出力部をさらに含むことを特徴とする請求項1に記載の対話管理装置。
- コンピュータ装置を含むデジタル信号処理が可能な対話管理装置により行われる方法において、
前記対話管理装置の音声受信部がユーザと教育装置間の対話の流れに含まれた少なくとも1つの発話を受信し、前記対話管理装置の発話意図取得部が前記受信された発話に対して形態素解析を行い、前記対話管理装置の記憶部に記憶されたあらかじめ定義されたコーパスに基づいて、ユーザと教育装置間の対話の流れに含まれた少なくとも1つの発話に対して発話意図を取得する段階と、
前記対話管理装置の計算部が、前記取得された発話意図の重要度、発話意図間の類似度及び発話意図間の相対的距離を計算する段階と、
前記対話管理装置の類似度計算部が、前記あらかじめ定義されたコーパスから獲得された例題対話の流れと現在までユーザと教育装置間の対話の流れとを前記発話意図の重要度及び前記発話意図間の類似度を反映したレーベンシュタイン距離測定方法を利用して比較し、前記比較結果によって対話の流れ間の類似度を計算する類似度計算段階と、
前記対話管理装置の発話意図検証部が、前記発話意図間の相対的距離によってユーザと教育装置間の対話の流れに含まれたユーザ発話の発話意図の組合せが適切であるか評価し、発話意図評価点数を計算する発話意図評価点数計算段階とを含み、
前記発話意図の重要度は、前記取得された発話意図及び該取得された発話意図との先後関係に存在する発話意図の多様性を把握して計算され、
前記発話意図間の類似度は、前記取得された発話意図及び該取得された発話意図と先後関係に存在する発話意図の分布状態を把握して計算され、
前記発話意図間の相対的距離は、前記取得された発話意図及び該取得された発話意図と先後関係に存在するすべての発話意図を組み合わせて計算されることを特徴とする対話管理方法。 - 前記類似度計算段階は、
前記対話管理装置の類似度計算部が、前記発話意図間に挿入、削除及び交替のうち少なくとも1つの動作が実行されるときに発生する費用に前記発話意図の重要度による数値を適用し、前記発話意図間の類似度が大きいほど前記費用を減少させ、前記対話の流れ間の類似度を計算することを特徴とする請求項7に記載の対話管理方法。 - 前記発話意図評価点数計算段階は、
前記対話管理装置の発話意図検証部が、前記評価点数があらかじめ定められた点数以下である場合、ユーザ発話にエラーが存在すると判断し、これをユーザにフィードバックすることを特徴とする請求項7に記載の対話管理方法。 - 前記発話意図評価点数計算段階は、
前記対話管理装置の発話意図検証部が、前記ユーザ発話及び現在まで対話が進行されながら発生した発話の組合を組み合わせて、組み合わせたペアに対する相対的距離を計算し、前記計算された相対的距離によって発話意図評価点数を計算することを特徴とする請求項7に記載の対話管理方法。 - 前記対話管理装置の最終点数計算部が、前記対話の流れ間の類似度及び発話意図評価点数を利用して最終点数を計算する段階をさらに含むことを特徴とする請求項7に記載の対話管理方法。
- 前記対話管理装置の順位出力部が、最終点数を基礎として予想発話意図順位を出力する段階をさらに含むことを特徴とする請求項7に記載の対話管理方法。
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KR10-2011-0016755 | 2011-02-24 | ||
KR1020110016755A KR101178310B1 (ko) | 2011-02-24 | 2011-02-24 | 대화 관리 방법 및 이를 실행하는 시스템 |
PCT/KR2011/007906 WO2012115324A1 (ko) | 2011-02-24 | 2011-10-21 | 대화 관리 방법 및 이를 실행하는 장치 |
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KR (1) | KR101178310B1 (ja) |
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KR101178310B1 (ko) | 2012-08-29 |
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