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

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

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
Modify the layout of the page
Improving functions Tune the Cypher queries and Neo4J database to reduce query time
Make a more comprehensive tutorial
Adding auxiliary functions Add “search history” function
Add “cancel delete operation” function