Aggregating From Multiple Target-Shifted Sources

• URL: http://arxiv.org/abs/2105.04051v1
• Date: Sun, 9 May 2021 23:25:29 GMT
• Title: Aggregating From Multiple Target-Shifted Sources
• Authors: Changjian Shui, Zijian Li, Jiaqi Li, Christian Gagn\'e, Charles Ling, Boyu Wang
• Abstract summary: Multi-source domain adaptation aims at leveraging the knowledge from multiple tasks for predicting a related target domain. In this paper, we analyzed the problem for aggregating source domains with different label distributions, where most recent source selection approaches fail. Our proposed algorithm differs from previous approaches in two key ways: the model aggregates multiple sources mainly through the similarity of semantic conditional distribution rather than marginal distribution.
• Score: 7.644958631142882
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Multi-source domain adaptation aims at leveraging the knowledge from multiple tasks for predicting a related target domain. Hence, a crucial aspect is to properly combine different sources based on their relations. In this paper, we analyzed the problem for aggregating source domains with different label distributions, where most recent source selection approaches fail. Our proposed algorithm differs from previous approaches in two key ways: the model aggregates multiple sources mainly through the similarity of semantic conditional distribution rather than marginal distribution; the model proposes a \emph{unified} framework to select relevant sources for three popular scenarios, i.e., domain adaptation with limited label on target domain, unsupervised domain adaptation and label partial unsupervised domain adaption. We evaluate the proposed method through extensive experiments. The empirical results significantly outperform the baselines.

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