Fisica

Computer Supported Co-operative Work
Edited by

Michel Beaudouin-Lafon
Université Paris-Sud, France

JOHN WILEY AND SONS Chichester • New York • Weinheim • Brisbane • Singapore • Toronto

Copyright © 1999 by John Wiley & Sons Ltd, Baffins Lane, Chihester West Sussex PO19 1UD, England National 01234 779777 International(+44) 1234 779777 e-mail (for orders and customer service enquiries):cs-books@wiley.co.uk Visit our Home Page on http://www.wiley.co.uk or http://www.wiley.com

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except under the terms of the Copyright, Designs and Patents Act 1988 or under the terms ofa licence issued by the Copyright Licensing Agency, 90 Tottenham Court Road, London, W1P 9HE, UK, without the permission in writing of the publisher. Other Wiley editorial offices John Wiley & Sons, Inc., 605 Third Avenue, New York, NY 10158-0012, USA WILEY-VCH Gmbh, Pappelallee 3, D-69469 Weinheim, Germany Jacaranda Wiley Ltd, 33 Park Road, Milton, Queensland 4064, Australia John Wiley & Sons(Asia) Pte Ltd, 2 Clementi Loop #02-01, Jin Xing Distripark, Singapore 129809 John Wiley & Sons (Canada) Ltd, 22 Worcester Road, Rexdale, Ontario M9W 1L1, Canada

Library of Congress Cataloging-in-Publication Data Beaudouin-Lafon, Michel. Computer supported co-operative work / Michel Beaudouin-Lafon p. c. — (Trends in software ; 7) Includes bibliographical references and index. ISBN 0-471-96736-X(alk. paper) 1. Teams in the workplace — Computer networks. I. Title II. Series. HD66.2.B4 1999 658.4'02 — dc21 98-42699 CIP British Library Cataloguing in Publication Data A catalogue record of this book is available from the British Library. ISBN 0-471-96736-X Produced from Postscript files supplied by the author. Printed and bound in Great Britain by Biddles, Guildford, UK. This book is printedon acid-free paper responsibly manufactured from sustainable forestry, in which at least two trees are planted for each tree used in paper production.

Contents
Series Editor’s Preface Preface List of Authors ix xi xv

1 Designing Groupware Applications: A Work-Centered Design Approach
K. Ehrlich
1.1 Introduction 1.2 Requirements 1.3 Design 1.4 Deployment and Adoption of the Application1.5 Case Study: TeamRoom 1.6 Summary Acknowledgements References

1
1 4 14 18 20 23 24 24

2 Workflow Technology
C.A. Ellis
2.1 Overview 2.2 Workflow Concepts and Architecture 2.3 Historical Perspective and Related Work 2.4 Workflow Models and Modeling 2.5 Workflow Meta-Model 2.6 Example Systems 2.7 Research Directions and Issues 2.8 Summary References

29
29 30 36 38 40 43 46 51 51

viCONTENTS

3 Media Spaces: Environments for Informal Multimedia Interaction
W.E. Mackay
3.1 Introduction 3.2 Early Media Spaces 3.3 RAVE: EuroPARC’s Media Space 3.4 Other Major Media Spaces 3.5 WAVE: A Detailed Case Study 3.6 Ethical Issues 3.7 Conclusion Acknowledgements References

55
55 57 58 67 71 77 79 79 79

4 Integration of Shared Workspace and Interpersonal Space for RemoteCollaboration
H. Ishii
4.1 Introduction 4.2 TeamWorkStation-1 and Seamless Shared Workspaces 4.3 TeamWorkStation-2 for N-ISDN 4.4 Seamless Integration of Interpersonal Space and Shared Workspace 4.5 Design of ClearBoard-1 4.6 Design of ClearBoard-2 4.7 Summary and Future Work Acknowledgements References

83
83 86 89 92 93 95 97 99 100

5 Group Editors
A. Prakash
5.1 Introduction 5.2 Examples ofGroup Editors 5.3 Group Editor Architecture 5.4 Concurrency Control 5.5 Undo in a Group Editor 5.6 Supporting Collaboration Awareness 5.7 Design of Document Structure 5.8 Other Design Issues 5.9 Future Work References

103
103 104 107 109 117 123 126 127 131 131

6 Groupware Toolkits for Synchronous Work
S. Greenberg and M. Roseman
6.1 Introduction

135
135

CONTENTS

vii 136 144...