VizAbility: Enhancing Chart Accessibility with LLM-based Conversational Interaction

Question: Your question "Where am I ?" was categorized as being related to structure, and as such has been answered based on the treeview.

Answer: Current Position: 2 of 2. Temporal Polarity equals positive. 71 values. Press t to open table.

navigating the chart Question: Your question "How do I get to the x axis?" was categorized as being related to structure, and as such has been answered based on the treeview.

Answer: Press the up arrow key. Press the left arrow key. navigating the chart Question: Your question "What is the overall trend of this chart?" was categorized as being , and as such, has been answered based on the data in the chart.

Answer: The overall trend in Temperature Anomaly (°C) from 1850 to 2021, according to the bar chart data, shows a mean temperature anomaly of 0.042°C, with a wide range of anomalies from -0.43°C to 1.03°C. data-driven Question: Your question "Are there more blue bars or red bars?" was categorized as being , and as such, has been answered based on the data in the chart.

Answer: There are more years represented by negative Temperature Anomaly (Blue Bars) than positive Temperature Anomaly (Red Bars).

data-driven Question: Your question "What does it mean by temperature anomaly?" was categorized as being , and as such, has been answered based on information found on the web.

Answer: In the context of this dataset, "Temperature Anomaly" represents the deviation of the yearly temperature from the long-term average temperature. [...] context-seeking Figure 1: VizAbility's overall user interface presents the keyboard navigation of chart content or data tables augmented with the ability to ask natural language questions. Example queries are shown on the right side, including visual & data queries, navigation, and context-seeking questions.