ALOHA: developing an interactive graph-based visualization for dietary supplement knowledge graph through user-centered design

Table 4 Selected important suggested improvements from the second design iteration’s usability assessment session

Improvement Category	Improvement Action
Improving readability	Change text size in the tutorial
Improving user interface	Move the search box to the top of the page
Improving user interface	Modify the layout of the page
Improving functions	Tune the Cypher queries and Neo4J database to reduce query time
Improving functions	Make a more comprehensive tutorial
Adding auxiliary functions	Add “search history” function
Adding auxiliary functions	Add “cancel delete operation” function

ISSN: 1472-6947