ISO/IEC INTERNATIONAL STANDARD 15909-1 Second edition 2019-08 Systems and software engineering High-level Petri nets - Part 1: Concepts, definitions and graphical notation Ingenierie du logiciel et des systemes-Reseaux de Petri de haut niveau Partie1:Concepts, definitions et notation graphique Referencenumber ISO/IEC15909-1:2019(E) IEC IS0/IEC2019 IS0/IEC15909-1:2019(E) COPYRIGHTPROTECTEDDOCUMENT @IS0/IEC2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address belowor Iso'smemberbody in the country ofthe requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+41227490111 Fax:+412274909 47 Email: copyright@iso.org Website:www.iso.org Published in Switzerland ii @IS0/IEC 2019 - All rights reserved