1. Ben-David S, Blitzer J, Crammer K, Kulesza A, Pereira F, Vaughan JW (2010) A theory of learning from different domains. Mach Learn 79:151–175
2. Desai S, Sinno B, Rosenfeld A, Li JJ (2019) Adaptive ensembling: unsupervised domain adaptation for political document analysis. arXiv preprint arXiv:1910.12698
3. Dosovitskiy A, Beyer L, Kolesnikov A, Weissenborn D, Zhai X, Unterthiner T, Dehghani M, Minderer M, Heigold G, Gelly S et al (2020) An image is worth 16x16 words: transformers for image recognition at scale. arXiv preprint arXiv:2010.11929
4. Ge C, Huang R, Xie M, Lai Z, Song S, Li S, Huang G (2022) Domain adaptation via prompt learning. arXiv preprint arXiv:2202.06687
5. Hull JJ (1994) A database for handwritten text recognition research. IEEE Trans Pattern Anal Mach Intell 16(5):550–554