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• W3203374547 abstract "The performance of many intent detection approaches will degrade when they meet open-set data because there is out-of-domain (OOD) noise. Some works utilize clean but expensive labeled data to supervise models more robust to the varied environment. However, a large number of labeled samples are scarce and their models no longer change after finishing training. To address this problem, we propose an iterative learning framework that can dynamically improve the model's ability of OOD intent detection and meanwhile continually obtain valuable new data to learn deep discriminative features. Concretely, the model can generate pseudo labels for unlabeled examples by self-training and use the local outlier factor (LOF) algorithm to detect unknown intents. Furthermore, we add mask operation on supervised contrastive loss (SCL) and use the masked-SCL to absorb new data effectively. Experiments on CLINC and SNIPS demonstrate that our proposed method can robustly realize intent detection in the presence of a high proportion of open-set." @default.
• W3203374547 created "2021-10-11" @default.
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• W3203374547 date "2021-07-18" @default.
• W3203374547 modified "2023-10-16" @default.
• W3203374547 title "Self-training with Masked Supervised Contrastive Loss for Unknown Intents Detection" @default.
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• W3203374547 doi "https://doi.org/10.1109/ijcnn52387.2021.9534224" @default.
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