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2020 Fiscal Year Final Research Report

Nugget-based Automatic Evaluation of Task-oriented dialogues

Research Project

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Project/Area Number 17H01830
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Library and information science/Humanistic social informatics
Research InstitutionWaseda University

Principal Investigator

Sakai Tetsuya  早稲田大学, 理工学術院, 教授 (80723519)

Project Period (FY) 2017-04-01 – 2021-03-31
Keywords対話 / ヘルプデスク / ナゲット / ordinal quantification / データセット
Outline of Final Research Achievements

We served as task organisers of NTCIR (NII Testbeds and Community for Information access Research), an international evaluation forum, and constructed the DCH-2 dialogue data set. Our paper on an early version of this data set received the excellent paper runner-up award at WebDB Forum 2018. We also designed an evaluation measure for a task that requires systems to estimate the gold distribution of dialogue quality scores and showed its effectiveness. The work has been accepted as a full paper at ACL-IJCNLP 2021, a top conference in natural language processing.

Free Research Field

情報検索、自然言語処理、インタラクション

Academic Significance and Societal Importance of the Research Achievements

我々が構築した対話データセットDCH-2は利用許諾書にサインするだけで誰でも利用できる。元データは中国語であるが全てに人手による英訳を付与しているため汎用性が高い。さらに、我々が提案した対話品質スコアの分布を推定するタスクのための評価指標は、ordinal quantificationと呼ばれる形態のすべてのタスク(「ネガティブ」「ニュートラル」「ポジティブ」のような順序尺度上の分布を扱うタスク)に適用可能である。

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Published: 2022-01-27  

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