IKC 2015, Coimbra, September 9, 2015

1. Knowledge and Uncertainty Research Laboratory
Visualization of
Uncertain
Information in Tag
Clouds
Manolis Wallace and
Thanos Triantos
September
9, 2015
1

2. Knowledge and Uncertainty Research Laboratory
In-Use track
 .. techniques, tools and libraries..
 Tool
 Demo
 Examples
 Concept
September 9, 20152
IKC 2015, Coimbra, Portugal

3. Knowledge and Uncertainty Research Laboratory
Tag clouds
September 9, 20153
IKC 2015, Coimbra, Portugal

4. Knowledge and Uncertainty Research Laboratory
Tag Clouds in THIS work
September 9, 20154
IKC 2015, Coimbra, Portugal

5. Knowledge and Uncertainty Research Laboratory
Interpretation
 Words represent concepts
 Size represents weight
 Color represents nothing
 Placement represents nothing
 Font represents nothing
 Orientation represents nothing
 Overall shape represents nothing
September 9, 20155
IKC 2015, Coimbra, Portugal

6. Knowledge and Uncertainty Research Laboratory
Requirements
 Lexical information
 Quantifiable information
 Limited vocabulary
 Non-overlapping concepts
 Certain information
September 9, 20156
IKC 2015, Coimbra, Portugal

7. Knowledge and Uncertainty Research Laboratory
Uncertainty
 Probabilistic information
 Possibilistic information
 Ambiguity
 Imprecision
 Vagueness
 …
September 9, 20157
IKC 2015, Coimbra, Portugal

8. Knowledge and Uncertainty Research Laboratory
F1 silly season
 Hamilton
 Vettel
 Alonso
 Button
 Magnussen
 Vandoorne
September 9, 20158
IKC 2015, Coimbra, Portugal

9. Knowledge and Uncertainty Research Laboratory
Running example
September 9, 20159
IKC 2015, Coimbra, Portugal
Funding
source
Amount in
Keuros
Comments Probability
Project A 50 Existing 1
Project B 100 Existing 1
Project C 150 Existing 1
Project D 30 Agreed 0,9
Project E 100 Easy 0,5
Project F 200 Competitive 0,1
Other 50 Typical 0,8

10. Knowledge and Uncertainty Research Laboratory
All
September 9, 201510
IKC 2015, Coimbra, Portugal

11. Knowledge and Uncertainty Research Laboratory
Most probable
September 9, 201511
IKC 2015, Coimbra, Portugal

12. Knowledge and Uncertainty Research Laboratory
Financial evaluation
September 9, 201512
IKC 2015, Coimbra, Portugal

13. Knowledge and Uncertainty Research Laboratory
Using opaqueness
September 9, 201513
IKC 2015, Coimbra, Portugal

14. Knowledge and Uncertainty Research Laboratory
September 9, 201514
IKC 2015, Coimbra, Portugal

15. Knowledge and Uncertainty Research Laboratory
The tool
 Kumo library
 Java based
 Emphasis on shape
 Added a second degree
 Controls opaqueness
 Interpretation is up to the user
September 9, 201515
IKC 2015, Coimbra, Portugal

16. Knowledge and Uncertainty Research Laboratory
Availability
 Coming soon…
 Tool
 Source code
 Support
September 9, 201516
IKC 2015, Coimbra, Portugal

17. Knowledge and Uncertainty Research Laboratory
Future work
 Theory
 Types of uncertainty
 Types of information
 Tool
 Make stable
 Add UI / help / documentation
 GitHub
September 9, 201517
IKC 2015, Coimbra, Portugal

18. Knowledge and Uncertainty Research Laboratory
Visualization of
Uncertain
Information in Tag
Clouds
Manolis Wallace and
Thanos Triantos
September
9, 2015
18