Abstract: A method for automatically generating an accessibility description of a data visualization object includes analyzing, by an automatic description generator executing on a computing device, an image object including at least one data visualization object. The method includes identifying at least one attribute of the image object, based on the analysis. The method includes receiving an identification of at least one data source for the at least one data visualization object. The method includes determining at least one mathematical value describing at least one characteristic of the data visualization object, based on the identified at least one attribute of the image object and the identified at least one data source. The method includes automatically generating a text-based description of the at least one characteristic, the text-based description including the at least one mathematical value.

Abstract: A method for generating a document tag structure providing a human-comprehensible description of document contents, the description processable by assistive technology, includes identifying, by a document tagger executing on a computing device, a first object in a document. The method includes generating, by the document tagger, a tag structure in the document, the tag structure including a first tag associated with the first object. The method includes identifying, by the document tagger, a second object in the document. The method includes inserting, by the document tagger, a second tag associated with the second object into the tag structure in an order corresponding to an order of visual appearance of the first object and the second object in the document, wherein inserting the second tag results in generation of a modified tag structure providing a description, processable by assistive technology, of at least one item of content in the document.