Here are a few links that might help if you are just getting started with Oracle BPM.
Oracle Product Management's Oracle BPM main page
Oracle Technical Network's (OTN) Oracle BPM forum - You can ask any type of question about Oracle BPM on this forum.
Oracle BPM Documentation - Start here if you are using Oracle BPM 10g. There is a tutorial on this page that helps some people get started. The tutorial is confusing in a few places, so be sure to ping this forum for help when/if you need it. I will add an entry on this blog that will help you work around the errrors.
Oracle BPM PAPI (API) Documentation
Oracle BPM Software download page
Oracle ACE - Director of Training Dan has more than sixteen years of experience in all phases of design, development, and implementation of software applications using BPM. He has developed Oracle BPM, BAM, business rule and integration solutions for financial services, insurance, food cooperative, and telecommunications clients. Dan is adept at planning and developing Oracle BPM/BAM solutions, process modeling, facilitating sessions to define user requirements, developing and delivering training, creating and maintaining project schedules and preparing and presenting project briefings to executives. His extensive experience has made him key in helping customers overcome hurdles on their initial projects. Having headed BPM training and courseware development at both Fuego and BEA Systems, Dan has trained and mentored thousands of customers in all facets of BPM.