[Forschungsseminar-BSV] Forschungsseminar Computergrafik, Bildverarbeitung und Visualisierung

[Patrick Oesterling]

I N V I T A T I O N

to the Research Seminar 'Computer Graphics, Image Processing and 
Visualization' on Wednesday, November 13th, 2013, at 1:15 PM, in Room 
P-701 in the Paulinum, Augustusplatz.


The talk is given by

Ala Abuthawabeh
University of Kaiserslautern


and is entitled

"Finding Structures in Multi-Type Code Coupling with Node-Link and 
Matrix Visualizations"


Abstract:

Software systems are often modeled and visualized as graphs in order to 
understand their higher-level structure: code entities are connected by 
dependencies or couplings. However, when only considering one type of 
code coupling such as method calls, the understanding gained stays 
limited to this specific aspect. Encoding multiple types of code 
coupling in the graph promises to broaden the understanding. Different 
approaches already exist for visually discerning those types in graph 
diagrams. In this paper, we study two of these techniques— a node-link 
and a matrix approach—in a realistic scenario where the classes and 
interfaces of a system are connected by six different types of code 
coupling. The explorative user study that we conducted with interactive 
versions of the two visualizations focuses on getting an insight on how 
software developers use the visualizations for understanding an unknown 
system. We classified typical visual structures that the participants 
were able to identify and connected these structures to software 
engineering problems. Despite the fundamental difference in approach, 
the participants identified the same graph structures targeting similar 
tasks with both visualizations.


On behalf of Professor Scheuermann all those interested are cordially 
invited to attend.


Yours sincerely,
Patrick Oesterling