  In this article, we first give an introduction to artificial intelligence and
its applications in biology and medicine in Section 1. Deep learning methods
are then described in Section 2. We narrow down the focus of the study on
textual data in Section 3, where natural language processing and its
applications in the biomedical domain are described. In Section 4, we give an
introduction to explainable artificial intelligence and discuss the importance
of explainability of artificial intelligence systems, especially in the
biomedical domain.
