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        <title>Out-of-domain Detection based on Generative Adversarial Network</title>
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        <namePart type="given">Seonghan</namePart>
        <namePart type="family">Ryu</namePart>
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    <name type="personal">
        <namePart type="given">Sangjun</namePart>
        <namePart type="family">Koo</namePart>
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    <name type="personal">
        <namePart type="given">Hwanjo</namePart>
        <namePart type="family">Yu</namePart>
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    <name type="personal">
        <namePart type="given">Gary</namePart>
        <namePart type="given">Geunbae</namePart>
        <namePart type="family">Lee</namePart>
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            <title>Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing</title>
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            <namePart type="given">David</namePart>
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        <name type="personal">
            <namePart type="given">Jun’ichi</namePart>
            <namePart type="family">Tsujii</namePart>
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    <abstract>The main goal of this paper is to develop out-of-domain (OOD) detection for dialog systems. We propose to use only in-domain (IND) sentences to build a generative adversarial network (GAN) of which the discriminator generates low scores for OOD sentences. To improve basic GANs, we apply feature matching loss in the discriminator, use domain-category analysis as an additional task in the discriminator, and remove the biases in the generator. Thereby, we reduce the huge effort of collecting OOD sentences for training OOD detection. For evaluation, we experimented OOD detection on a multi-domain dialog system. The experimental results showed the proposed method was most accurate compared to the existing methods.</abstract>
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%0 Conference Proceedings
%T Out-of-domain Detection based on Generative Adversarial Network
%A Ryu, Seonghan
%A Koo, Sangjun
%A Yu, Hwanjo
%A Lee, Gary Geunbae
%Y Riloff, Ellen
%Y Chiang, David
%Y Hockenmaier, Julia
%Y Tsujii, Jun’ichi
%S Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing
%D 2018
%8 oct nov
%I Association for Computational Linguistics
%C Brussels, Belgium
%F ryu-etal-2018-domain
%X The main goal of this paper is to develop out-of-domain (OOD) detection for dialog systems. We propose to use only in-domain (IND) sentences to build a generative adversarial network (GAN) of which the discriminator generates low scores for OOD sentences. To improve basic GANs, we apply feature matching loss in the discriminator, use domain-category analysis as an additional task in the discriminator, and remove the biases in the generator. Thereby, we reduce the huge effort of collecting OOD sentences for training OOD detection. For evaluation, we experimented OOD detection on a multi-domain dialog system. The experimental results showed the proposed method was most accurate compared to the existing methods.
%R 10.18653/v1/D18-1077
%U https://aclanthology.org/D18-1077/
%U https://doi.org/10.18653/v1/D18-1077
%P 714-718

Markdown (Informal)

[Out-of-domain Detection based on Generative Adversarial Network](https://aclanthology.org/D18-1077/) (Ryu et al., EMNLP 2018)

• Out-of-domain Detection based on Generative Adversarial Network (Ryu et al., EMNLP 2018)

ACL

• Seonghan Ryu, Sangjun Koo, Hwanjo Yu, and Gary Geunbae Lee. 2018. Out-of-domain Detection based on Generative Adversarial Network. In Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing, pages 714–718, Brussels, Belgium. Association for Computational Linguistics.