DIGITAL LIBRARY SEARCH RESULTS

1
DIGITAL LIBRARY SEARCH RESULTS

• PRESENT
• TEXTUAL LISTINGS RUNNING TO PAGES
•   PROPOSED
•  
• TWO DIMENSIONAL DISPLAY
•  

2
PRESENT SYSTEM DRAWBACKS

• USER HAS TO SIFT THROUGH THE ENTIRE DOCUMENT SETS
•  
• CANT COMPHREHENED THE ENTIRE SEARCH RESULT SET
• CATEGORIZATION OF RESULTSET NOT POSSIBLE

3
TWO DIMENSIONAL VISUALIZATION

• -USES CATEGORICAL AND HIERARCHICAL
  AXESHIERAXES
•  
• GRID LIKE GUI PRESENTATION WITH
• -HIERARCHY ON Y-AXIS
• -CATEGORY ON X-AXIS
•  
• DISPLAY EACH REGION AS CLUSTER OF DOTS
•  
• -EACH DOT REPRESENT SEPARATE DOCUMENTS
•  
• DISPLAY AS BAR CHART WHEN OVERCROWDING OCCURS

4
THE BALTIMORE LEARNING COMMUNITY

• -CONSISTS OF 2000 EDUCATIONAL RESOUCE
•  
• -INDEXED TO A THREE LEVEL CURRICULUM HIERARCHY
• SUBJECT / TOPIC / SUBTOPIC
•  

5
PREVIOUS RESEARCH

• ENVISION
•  
• FILM FINDER
•  
• SPOT FIRE
•  
• TREE STRUCTURES

6
LEGAL INFORMATION DIGITAL LIBRARY  

• TWELVE MILLION CASES
•  
• KEY NUMBER SYSTEM HIERARCHY
•  
• DEPTH AND BREATH VARY ACROSS HIERARCHY

7
LEGAL INFORMATION HIERARCHY

• PERSONS
•  
• NATURAL PERSON
•  
• PROPERTY
•  
• CONTRACTS

8
IMPOSED HIERARCHY

• DATES
• NO OF CITATIONS
• NAMES
• RELEVANCE

9
HIERARCHIAL AXES HIERAXES

• GENERAL PURPOSE HIERARCHICAL WIDGET
• SCREEN SPACE OPTIMIZATION
• FULL-FEATURED WIDGETS
•  

10
BROWSE HISTORY

• TRACK CURRENT LOCATION
•  
• NAVIGATION ICONS
•  
• ZOOM FACILITY

11
OVERCROWDED AXES 

• TOOL TIPS
•  
• IMPOSED HIERARCHIES
•  
• PAGING
•  
• SCROLL/ZOOM

12
ACM DIGITAL LIBRARY 

• 345 CATEGORIES
•  
• 3 LEVEL HIERARCHY
•  

13
USABILITY TESTS

• TEST SPEC
•  
• SUBJECTS
•  
• FEEDBACK

14
CONCLUSIONS

• ADVANTAGES
•  
• USER APPRECIATION
•  
• IMPOSED HIERARCHIES
•  
• FUTURE DIRECTIONS