Zhang, W., Ying, Y., Lu, P. and Zha, H. 2020. Learning Long- and Short-Term User Literal-Preference with Multimodal Hierarchical Transformer Network for Personalized Image Caption. Proceedings of the AAAI Conference on Artificial Intelligence. 34, 05 (Apr. 2020), 9571-9578. DOI:https://doi.org/10.1609/aaai.v34i05.6503.