The Force plugin renders nodes and links using a velocity Verlet numerical integrator for simulating physical forces on particles built into the d3.js visualization package.
Hover over dots to discover node names.
Drag dots to rearrange the graph.
Double-click dotes to open a corresponding page, if any.
Data
The data item is expected to be formatted as an object with two parts, "nodes" and "links", both arrays.
A node is an object that has a "name", a string, and a "group", an integer. Group determines the dot color.
{ "name": "Chicago", "group": 2 }
A link is an object that a "source", "target", and "value", all integers. Value determines the arc stroke width.
{ "source": 10, "target": 59, "value": 6 }
See GitHub 
for plugin source.