What is a qdf file and how do I open a qdf file?
A GDF file is used by GUESS, Graph Exploration System, a visualization tool used for displaying networks and mathematical graphs. It stores node and edge data that comprises the graph and subgraphs, and is used for exploratory visualization in research and academic environments. GDF files are saved in a plain text format and contain a series of lines that specify the nodes and edges of the graph.
Relevant qdf file links:How to open qdf file on Youtube
How to open qdf file on Wikipedia
How to open qdf file on Microsoft.com