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Helmer, Alexander (author), de Visser, C.C. (author), van Kampen, E. (author)
Reinforcement learning is a paradigm for learning decision-making tasks from interaction with the environment. Function approximators solve a part of the curse of dimensionality when learning in high-dimensional state and/or action spaces. It can be a time-consuming process to learn a good policy in a high dimensional state space directly. A...
conference paper 2018
document
Houwing-Duistermaat, J.J. (author), Helmer, Q. (author), Balliu, B. (author), Van den Akker, E.B. (author), Tsonaka, R. (author), Uh, H.W. (author)
We have extended our recently developed 2-step approach for gene-based analysis to the family design and to the analysis of rare variants. The goal of this approach is to study the joint effect of multiple single-nucleotide polymorphisms that belong to a gene. First, the information in a gene is summarized by 2 variables, namely the empirical...
journal article 2014
document
Hladczuk, N.A. (author), Brown, Anthony (author), Bakker, J. (author), Benson, K. (author), Janßen, Katja (author), Jordan, Stefan (author), Löffler, W. (author), Marchal, Olivier (author), Sarro, Luis Manuel (author), Aerts, Conny (author), David, Marc (author), Gomez, A. (author), Helmer, A. (author), Holland, G. (author), Liao, S. (author), Marcos, J. (author), Mor, Roger (author), Morris, D. (author), Murphy, C. P. (author), Nagy, Z. (author), Weiler, M. (author), Wevers, T. (author), Zhao, He (author)
Context. We present the third data release of the European Space Agency's Gaia mission, Gaia DR3. This release includes a large variety of new data products, notably a much expanded radial velocity survey and a very extensive astrophysical characterisation of Gaia sources. Aims. We outline the content and the properties of Gaia DR3, providing...
journal article 2023
document
Helmer, W. (author), Vellinga, P. (author), Litjens, G. (author), Goosen, H. (author), Ruijgrok, E. (author), Overmars, W. (author)
Onze relatie met de zee gaat een nieuw tijdperk in. Zeespiegelstijging en bodemdaling dwingen ons langzaam maar zeker tot een ruimtelijke inrichting die daar beter op inspeelt. Activiteiten in de kustzone zullen voortaan scherper beoordeeld moeten worden op hun bijdrage aan de veerkracht van de Nederlandse kust. Het wegzakken van Nederland is...
report 1996
document
Helmer, W. (author), Litjes, G. (author), Overmars, W. (author), Barneveld, H. (author), Klink, A. (author), Sterrenburg, H. (author), Janssen, B. (author)
Hoe om te gaan met de Nederlandse riveren op een zodanige manier dat de natuur bevorderd wordt.
report 1992
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