Highlighting Key Portions of Text Within a Document

A document highlighting system implemented in a digital medium environment, the document highlighting system comprising:

• at least one processor;
• a memory having stored thereon computer-readable instructions that are executable by the at least one processor to perform operations comprising:
• obtaining a plurality of documents having text;
• determining key portions of the text of the documents using a document summarization model, the key portions of the text forming a summary of the respective document;
• generating highlighted versions of the documents, the highlighted versions of the document configured to display highlight overlays over the key portions of the text forming the summary;
• providing the highlighted versions of the documents to client devices;
• obtaining reader feedback data from the client devices based on reader interactions with the highlighted versions of documents;
• and
• updating the document summarization model using machine learning techniques based on the reader feedback data.

A computing device comprising:

• a display device;
• at least one processor;
• and
• a memory having stored thereon computer-readable instructions that are executable by the at least one processor to perform operations comprising:
• displaying, on the display device, a highlighted document comprising text and highlight overlays over or proximate to key portions of text within the highlighted document that collectively form a summary of the highlighted document;
• receiving user input to modify the highlighted document;
• modifying the highlighted document based on the user input by removing at least one highlight overlay or adding at least one highlight overlay;
• and
• displaying the modified highlighted document on the display device.