CommunityExplorer A Framework for Visualizing Collaboration Networks. Leonel Merino, Mohammad Ghafari, Oscar Nierstrasz

1. CommunityExplorer
A Framework for
Visualizing Collaboration Networks
Leonel Merino
Mohammad Ghafari
Oscar Nierstrasz
Software Composition Group
University of Bern

2. CommunityExplorer
A Framework for
Visualizing Collaboration Networks
Leonel Merino
Mohammad Ghafari
Oscar Nierstrasz
Software Composition Group
University of Bern

3. Support users to analyze and identify:
RQ1) Groups of collaboration
RQ2) Evolution of groups
RQ3) New & key authors
Visualization of Collaboration
3
Author
Affiliation
Paper

4. Support users to analyze and identify:
RQ1) Groups of collaboration
RQ2) Evolution of groups
RQ3) New & key authors
Visualization of Collaboration
4
Author
Affiliation
Paper
Edge crossing obstructs
comprehension !!

5. Collaboration in Scientific Communities
5
IWST and VISSOFT

6. Collaboration in Scientific Communities
6
IWST and VISSOFTPapers and Authors

7. Collaboration in Scientific Communities
7
IWST and VISSOFTPapers and Authors
Search engines and Digital Libraries

8. CommunityExplorer
8

9. Decreasing EC: Graph vs Bi-Graph
9
Author
Paper
Author
Graph Bi-Graph
Paper
AuthorAuthor

10. Graph vs. Bi-Graph
10
#Authors:2
#Papers:5
#Authors:5
#Papers:1

11. Case Study: VISSOFT vs IWST
11
0
1000
2000
3000
4000
5000
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7000
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9000
10000
Graph Bi-Graph Graph Bi-Graph
VISSOFT (346) IWST (104)
Nodes
Edges
Crossing

12. VISSOFT (2002 - 2015)
Graph Bi-Graph
12

13. IWST (2002 - 2015)
Graph Bi-Graph
13

14. Demo
14

15. Future work: FCA
15
Formal Concept Analysis to decrease edge crossing.

16. Future work: Extending Pipeline
16
• Extend the pipeline to extract other fields such
as paper’s sections, figures, listings.
• Add visualizations for these types of data.
e.g., visualize how popular is Smalltalk across
collaboration groups?

17. Summary
http://scg.unibe.ch/research/CommunityExplorer
merino@inf.unibe.ch @leonel_merino