“…All articles have been reviewed by at least three reviewers and handled by the guest editors, except for [11] and [12], which were handled independently by other Associate Editors of the journal. Among the selected articles, [11], [13], [14] belong to the first direction of interpretability and explainability; [12], [15], [16] belong to the second direction of injecting external knowledge into a neural model; finally, [17], [18], [19] belong to the third direction of migrating theory from reference disciplines.…”