Faculty of Science and Bio-Engineering Sciences Department of Computer Science Artificial Intelligence Lab Self-labeling Grey-box Model: An Interpretable Semi-supervised Classifier Dissertation submitted in fulfillment of the requirements for the degree of Doctor of Science: Computer Science Isel del Carmen Grau García October 9th, 2020 Promotors: Prof. dr. A. Nowé | Vrije Universiteit Brussel, Belgium Prof. dr. M. M. García | Universidad Central de Las Villas, Cuba Advisor: Dr. D. Sengupta | Vrije Universiteit Brussel, Belgium | Queens University Belfast, United Kingdom To be updated ○c Isel Grau 2020 Uitgeverij VUBPRESS Brussels University Press VUBPRESS is an imprint of ASP nv (Academic and Scientific Publishers nv) Keizesrlaan 34 B-1000 Brussels Tel. +32 (0)2 289 26 56 Fax +32 (0)2 289 26 59 E-mail:
[email protected] www.vubpress.be ISBN - NUR - Legal deposit - All rights reserved. No parts of this book may be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the author. Jury Members Chairman Internal members Prof. Dr. Beat Signer Prof. Dr. Tom Lenaerts Vrije Universiteit Brussel, Belgium Vrije Universiteit Brussel, Belgium Prof. Dr. Sonia Van Dooren Secretary Centre for Medical Genetics, UZ Brussel, Vrije Universiteit Brussel, Belgium Prof. Dr. Wim Vranken Vrije Universiteit Brussel, Belgium External members Promotors Prof. Dr. Koen Vanhoof Prof. Dr. Ann Nowé Universiteit Hasselt, Belgium Vrije Universiteit Brussel, Belgium Prof. Dr. Chris Cornelis Prof. Dr. Maria M. García Lorenzo Universiteit Gent, Belgium Universidad Central de Las Villas, Cuba 3 Abstract In the context of some machine learning applications, obtaining data points is a rel- atively simple process, yet labeling them could become quite expensive or tedious.