US Patent 11409951 Facilitating annotation of document elements

Facilitating annotation of document elements includes obtaining annotations indicating labels applied to document elements of a digital document to be presented in an annotation graphical user interface (GUI), the digital document including the document elements, the document elements being for visual presentation in the annotation GUI to a user, and presenting the annotation GUI on a display device for the user, the annotation GUI configured to facilitate user submission of a respective label for each document element of the document elements, where the presenting presents, as part of the annotation GUI, at least a portion of the digital document including the document elements, and, for each document element, a respective label indicator correlating to the document element and visually indicating a current label selected for that document element and a label submission status for that document element that reflects whether the user has confirmed a label for that document element.