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  "author": "Harry Li",
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  "author": "Harry Li",
            
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  "author_email": "harry.li@ll.mit.edu",
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  "author_email": "harry.li@ll.mit.edu",
            
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    "https://doi.org/10.1109/TVCG.2023.3326904"
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      "extra_author": "Gabriel Appleby",
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      "extra_author": "Gabriel Appleby",
            
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  "name": 
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  "name": 
            
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haracterizing-their-users-challenges-and-visualization-opportunities",
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haracterizing-their-users-challenges-and-visualization-opportunities",
            
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  "notes": "This study presents insights from interviews with nineteen 
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  "notes": "This study presents insights from interviews with nineteen 
            
51
Knowledge Graph (KG) practitioners who work in both enterprise and 
51
Knowledge Graph (KG) practitioners who work in both enterprise and 
            
52
academic settings on a wide variety of use cases. Through this study, 
52
academic settings on a wide variety of use cases. Through this study, 
            
53
we identify critical challenges experienced by KG practitioners when 
53
we identify critical challenges experienced by KG practitioners when 
            
54
creating, exploring, and analyzing KGs that could be alleviated 
54
creating, exploring, and analyzing KGs that could be alleviated 
            
55
through visualization design. Our findings reveal three major personas 
55
through visualization design. Our findings reveal three major personas 
            
56
among KG practitioners \u2013 KG Builders, Analysts, and Consumers 
56
among KG practitioners \u2013 KG Builders, Analysts, and Consumers 
            
57
\u2013 each of whom have their own distinct expertise and needs. We 
57
\u2013 each of whom have their own distinct expertise and needs. We 
            
58
discover that KG Builders would benefit from schema enforcers, while 
58
discover that KG Builders would benefit from schema enforcers, while 
            
59
KG Analysts need customizable query builders that provide interim 
59
KG Analysts need customizable query builders that provide interim 
            
60
query results. For KG Consumers, we identify a lack of efficacy for 
60
query results. For KG Consumers, we identify a lack of efficacy for 
            
61
node-link diagrams, and the need for tailored domain-specific 
61
node-link diagrams, and the need for tailored domain-specific 
            
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visualizations to promote KG adoption and comprehension. Lastly, we 
62
visualizations to promote KG adoption and comprehension. Lastly, we 
            
63
find that implementing KGs effectively in practice requires both 
63
find that implementing KGs effectively in practice requires both 
            
64
technical and social solutions that are not addressed with current 
64
technical and social solutions that are not addressed with current 
            
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tools, technologies, and collaborative workflows. From the analysis of 
65
tools, technologies, and collaborative workflows. From the analysis of 
            
66
our interviews, we distill several visualization research directions 
66
our interviews, we distill several visualization research directions 
            
67
to improve KG usability, including knowledge cards that balance 
67
to improve KG usability, including knowledge cards that balance 
            
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digestibility and discoverability, timeline views to track temporal 
68
digestibility and discoverability, timeline views to track temporal 
            
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changes, interfaces that support organic discovery, and semantic 
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changes, interfaces that support organic discovery, and semantic 
            
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explanations for AI and machine learning predictions.",
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explanations for AI and machine learning predictions.",
            
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  "title": "Knowledge Graphs in Practice: Characterizing their Users, 
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Challenges, and Visualization Opportunities",
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