wiring for DS18B20 onewire tempurature sensor.

just recently bought an arduino I read http://www.arduino.cc/playground/Learning/OneWire and had a few questions. How would i wire the circuit? which one would be ground, +5v? and then the data which would be read from a digital input?

Once that's all working I should be good and follow/interpret some example programs

Page one

try http://www.freeduino.org, under "temperature sensor". code is there too, the first entry.