Analyzing and visualizing spreadsheets Analyzing and visualizing spreadsheets PROEFSCHRIFT ter verkrijging van de graad van doctor aan de Technische Universiteit Delft, op gezag van de Rector Magnificus prof. ir. K.C.A.M. Luyben, voorzitter van het College voor Promoties, in het openbaar te verdedigen op woensdag 23 januari om 10:00 uur door F´elienneFrederieke Johanna HERMANS ingenieur in de informatica geboren te Oudenbosch. Dit proefschrift is goedgekeurd door de promotoren: Prof. dr. A. van Deursen Co-promotor: Dr. M. Pinzger Samenstelling promotiecommissie: Rector Magnificus voorzitter Prof. dr. A. van Deursen Technische Universiteit Delft, promotor Dr. M. Pinzger Technische Universiteit Delft, co-promotor Prof. dr. E. Meijer Technische Universiteit Delft & Microsoft Prof. dr. H. de Ridder Technische Universiteit Delft Prof. dr. M. Burnett Oregon State University Prof. dr. M. Chaudron Chalmers University of Technology and University of Gothenburg Dr. D. Dig University of Illinois at Urbana-Champaign Copyright c 2012 by Felienne Hermans All rights reserved. No part of the material protected by this copyright notice may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording or by any information storage and retrieval system, without the prior permission of the author. Author email:
[email protected] Acknowledgements First of all, I would like to thank Arie. Thanks for always supporting my decisions, for being there when times were a bit tough and for loads of fun and inspiration. Martin, thanks for the gazillion spelling errors you corrected in all my papers, your patience was amazing. Stefan Jager, thanks for trusting me to experiment freely at Robeco! You allowed me to really test my ideas in practice, even when they were very preliminary.