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- W3207218016 abstract "Supervised learning approaches have been proven effective in slot filling, but they need massive labeled training data which is expensive and time-consuming in a given domain. Recent models for cross-domain slot filling adopt transfer learning framework to cope with the data scarcity problem. However, these cross-domain slot filling models rely on the same encoder representation in different stages for slot entity task and slot type task, which decrease the performance of both tasks. Besides, these models treat different source domains equally and ignore the shared slot-related information in different domains, which may damage the performance of cross-domain learning. In this paper, we present a pipeline approach for cross-domain slot filling (PCD) by learning distinct contextual representations for slot entity identification and slot type alignment, and fusing slot entity information at the input layer of the slot type alignment model for incorporating global context. Moreover, we also present a simple yet effective instance weighting scheme ((mathbf {Iw})) to our approach for better capturing the slot entities in the cross-domain setting. Experiments on multiple domains show that our approach achieves state-of-the-art performance in cross-domain slot filling. Ablation analysis and further experiments also prove the effectiveness of each part of our model, especially in the identification of slot entities." @default.
- W3207218016 created "2021-10-25" @default.
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- W3207218016 date "2021-01-01" @default.
- W3207218016 modified "2023-09-27" @default.
- W3207218016 title "Cross-domain Slot Filling with Distinct Slot Entity and Type Prediction" @default.
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- W3207218016 doi "https://doi.org/10.1007/978-3-030-88480-2_41" @default.
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