JP7054558B2 - アクティブ学習手法を適用した機械学習フレームワークの運用方法、装置及びコンピュータプログラム - Google Patents
アクティブ学習手法を適用した機械学習フレームワークの運用方法、装置及びコンピュータプログラム Download PDFInfo
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Claims (6)
- データ分析サーバにおいて、ユーザを分析する方法であって、
複数の問題が含まれた問題データベースを構成し、前記問題に対するユーザの解答結果データを収集し、前記解答結果データを学習して前記ユーザをモデリングするためのデータ分析モデルを生成するステップAと、
前記データ分析モデルとは独立して動作し、前記データ分析モデルと異なるデータに基づいて学習され、任意の時点の前記データ分析モデルの性能を高めるために、前記データ分析モデルに必要な学習データを推薦する専門家モデルを生成するステップBと、
前記専門家モデルの推薦に基づいて、前記問題データベースから少なくとも一つ以上の問題を抽出し、抽出された問題に対するユーザの解答結果データを用いて前記データ分析モデルを更新するステップCと、
前記データ分析モデルの更新情報に基づいて、前記データ分析モデルの予測精度が向上する方向に設定されたリワード(報酬)を適用して前記専門家モデルを更新するステップDと、を含み、
前記ステップBには、更新前における前記データ分析モデルの状態情報と、更新後における前記データ分析モデルの状態情報と、前記データ分析モデルの状態が更新前の状態から更新後の状態に変更された原因となるデータ情報と、に基づいて学習することにより、前記専門家モデルを生成するステップが含まれることを特徴とする、ユーザ分析方法。 - 前記ステップAは、前記問題に対する各ユーザの特性を説明するユーザモデリングベクトルを計算し、前記ユーザモデリングベクトルを利用して、問題に対するユーザの正解率を推定するステップを含み、
前記ステップDは、実際にユーザが問題に解答した結果と、前記ユーザモデリングベクトルを用いて推定した前記問題の正解率との差であるユーザモデリングベクトルの予測性能を高めるように設定されたリワードを適用して前記専門家モデルを更新するステップを含むことを特徴とする、請求項1に記載のユーザ分析方法。 - 前記ステップAは、前記問題に対する各ユーザの特性を説明するユーザモデリングベクトルを計算し、前記ユーザモデリングベクトルを用いて、前記問題データベースを用いずに出題された外部試験におけるユーザの予測点数を推定するステップを含み、
前記ステップDは、前記データ分析モデルの更新情報に、前記予測点数の標準偏差が小さくなる方向に設定されたリワードを適用して前記専門家モデルを更新するステップを含むことを特徴とする、請求項1に記載のユーザ分析方法。 - 前記ステップCは、前記ユーザモデリングベクトルの予測性能の変更率が予め設定された値以内であれば、前記データ分析モデルに対する追加学習の効果がないと判断し、前記専門家モデルの推薦を終了するステップを含むことを特徴とする、請求項2または3に記載のユーザ分析方法。
- 前記ステップCは、前記ユーザモデリングベクトルの予測性能が予め設定された閾値以上であれば、前記データ分析モデルが追加学習をしなくても、前記ユーザの分析に十分であると判断し、前記専門家モデルの推薦を終了するステップを含むことを特徴とする、請求項2または3に記載のユーザ分析方法。
- 前記ステップCは、前記専門家モデルが推薦する問題の解答結果データが前記ユーザモデリングベクトルに既に反映されている場合、前記専門家モデルの推薦を終了するステップを含むことを特徴とする、請求項2または3に記載のユーザ分析方法。
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PCT/KR2020/004137 WO2020204468A1 (ko) | 2019-04-03 | 2020-03-26 | 액티브 러닝 기법을 적용한 머신 러닝 프레임워크 운용 방법, 장치 및 컴퓨터 프로그램 |
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KR20210148763A (ko) | 2020-06-01 | 2021-12-08 | 강릉원주대학교산학협력단 | 머신 러닝 모델링 자동화 방법 및 이를 이용한 머신 러닝 모델링 자동화 시스템 |
US11823044B2 (en) * | 2020-06-29 | 2023-11-21 | Paypal, Inc. | Query-based recommendation systems using machine learning-trained classifier |
KR102426812B1 (ko) * | 2020-08-25 | 2022-07-28 | 세종대학교산학협력단 | 강화 학습 기반의 상호작용 향상 방식 |
KR102475108B1 (ko) | 2020-11-02 | 2022-12-07 | 강릉원주대학교산학협력단 | 최적화된 하이퍼파라미터를 갖는 기계 학습 모델링 자동화 방법 및 이를 이용한 기계 학습 모델링 자동화 시스템 |
KR102274984B1 (ko) * | 2020-11-12 | 2021-07-09 | 태그하이브 주식회사 | 컨텐츠 스킬 라벨링 적합성 판단 방법 및 이를 실행하는 시스템 |
KR20230009816A (ko) * | 2021-07-09 | 2023-01-17 | (주)뤼이드 | 학습 능력 평가 방법, 학습 능력 평가 장치, 및 학습 능력 평가 시스템 |
KR102398318B1 (ko) * | 2021-07-09 | 2022-05-16 | (주)뤼이드 | 학습 능력 평가 방법, 학습 능력 평가 장치, 및 학습 능력 평가 시스템 |
CN114781194B (zh) * | 2022-06-20 | 2022-09-09 | 航天晨光股份有限公司 | 基于金属软管的数据库的构建方法 |
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US20180151084A1 (en) | 2016-11-30 | 2018-05-31 | Electronics And Telecommunications Research Institute | Apparatus and method for providing personalized adaptive e-learning |
JP2018194804A (ja) | 2017-05-19 | 2018-12-06 | リイイド インク | 機械学習フレームワークを運用する方法、装置、及びコンピュータプログラム |
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