Yuqing Miao Chenggang Lu Tonglai Liu Wanzhen Zhang Yimin Wen Ming Zhou Empathetic Dialogue Generation with Contrastive Learning and Multi-Source Information Fusion. 1-6 2023 PAAP https://doi.org/10.1109/PAAP60200.2023.10391816 conf/paap/2023 db/conf/paap/paap2023.html#MiaoLLZWZ23