What IS BPM

Hi this is SuryaPrakash iam in job trails of webMethods . I have one query so could pls answer it…

What is BPM ?

Where we use this one .??

Is there any specials sites for learning BPM ?

If u have any pdf’s for learning BPM so could u pls for ward to me…

surya.a0803@gmail.com this is my mail…

Thanx Guy’s…

There is “BPM Basics for Dummies” made by Software AG → http://www.softwareag.com/Corporate/res/books/default.asp