This paper discusses the design and evaluation of AUDiaL (Accessible Universal Diagrams
through Language). AUDiaL is a web-based, accessible natural language interface (NLI) …

Natural language interfaces (NLIs) are a novel approach to non-visual accessibility of
diagrammatic representations, such as statistical charts. This paper introduces a number of …

This article introduces a hierarchy of ontologies for visualization with applications in
accessibility to statistical charts. Formally defining graphical content and its underlying …

Diagrams leverage the human perceptual, cognitive, and memorial capacities to
communicate large amounts of data effectively to sighted persons. Among other benefits …

Current information technologies enable us to collect a huge amount of data. However,
understanding the data, revealing their hidden relationships, mediating them to users …