Jeanne Kramer-Smyth Morimichi Nishigaki Tim Anglade
description
Transcript of Jeanne Kramer-Smyth Morimichi Nishigaki Tim Anglade
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ArchivesZ: Visualizing Archival Collections
May 10, 2007University of Maryland, College Park
CMSC 734 – Spring 2007
Jeanne Kramer-SmythMorimichi Nishigaki
Tim Anglade
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A little about the problem.
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Users of library catalogs know what to expect
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Archives/Manuscripts are more mysterious
?One box?Ten boxes?
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Need to drill down to full record to find out quantity of materials
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Or examine the finding aid
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Archival Collection Metadata• Subjects• Range of years• Size measured in linear feet
+ AggregateVisualizeSearch
ArchivesZ
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Architecture
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Data Translations
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Visualization
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Multi-value attributes datasetWe propose an innovative method for visualization and exploration of items associated with multi-value attributes
Item 1 A B
Ex) Multi-value attributes dataset
Item 2 A C E
Item 3 B
Item 4 D E
Items Multi-value attributes
Item 5 B D E F
In our application, items are collections, and multi-value attributes are subjects.
How to visualize this type of dataset?
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Aggregation and Overlap
A
Item 1 A BItem 2 A C EItem 3 BItem 4 D EItem 5 B D E F
Item 1
Item 2 Item 3
Item 1
Item 2
Item 4
Item 5
Item 2
Item 4
Item 5 Item 5
B C D E F
# of
Item
s
• Intersection (overlap) carry relations between attribute values and help users to explore dataset
• Selected attribute values are in users’ interest.• Focusing on the overlap with selected items
A
Item 1
Item 2 Item 3
Item 1
Item 2
Item 4
Item 5
Item 2
Item 4
Item 5 Item 5
B C D E F
# of
Item
s
Selected
overlap with selected group
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Dual-sided histogram
0 1 22 1
B
C
D
E
F
Ex) Selected: {A}Ex) Selected: {}
2 3 40 1
B
C
D
E
F
AThis histogram is called dual-sided histogram
A
Visualizing total amount on selected attribute values and overlaps at the same time.Giving users an idea for further adding selected attribute values for searching items.
In our application, sizes of collections are used instead of number of items.
overlap non-overlap
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Demo!
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Next Steps• Stage ArchivesZ online with small dataset and
invite the larger archives and historian community to give feedback
Thank you!• Special thank you to Jennie Levine, Curator of
Historical Manuscripts University of Maryland Libraries – provider of EAD encoded finding aids and answers to many questions
Questions?