You can obtain information regarding your rights under EU law from all major arport information points, many major airlines and online. Do not expect airlines to follow the law however, I was "bumped" off KLM once (and no longer use them) when the gate was open and the passengers were still sitting there waiting to board. When I began to pursue this they simply lied and said I was too late - missed the flight. You and I may end up filing a small claim in court. I urge you to press any legitimate claim you have and report it to the AUC (google for it) if the airline starts to mess you about - not that they can do a lot for you when push comes to shove.