User profiles for A. Ossen
Arnfried OssenDirector Quantitative Research Verified email at ubs.com Cited by 114 |
ESG as a performance factor for smart beta indexes
G Giese, A Ossen, S Bacon - The Journal of Index Investing, 2016 - search.proquest.com
Although traditional financial factors, such as value, growth, and momentum, have become
common practice in the construction of smart beta indexes, the question whether …
common practice in the construction of smart beta indexes, the question whether …
The metric structure of weight space
We describe symmetries of feedforward networks in terms of their corresponding groups,
which naturally act on and partition weight space. This leads to an algorithm that generates …
which naturally act on and partition weight space. This leads to an algorithm that generates …
[PDF][PDF] Segmentation of medical images using neural-network classifiers
A Ossen, T Zamzow, H Oswald, E Fleck - Proceedings of the International …, 1994 - Citeseer
We demonstrate that neural-network classi ers are able to signi cantly enhance lowlevel
segmentation of medical images. Minimum-error-rate or Bayesian a posteriori probabilities of …
segmentation of medical images. Minimum-error-rate or Bayesian a posteriori probabilities of …
A review of energy characteristic of vertical greenery systems
T Safikhani, AM Abdullah, DR Ossen… - … and Sustainable Energy …, 2014 - Elsevier
Rapidly growing cities and human activities change the environment and are accompanied
by some drawbacks. Sustainable remedies are needed to protect the environment and the …
by some drawbacks. Sustainable remedies are needed to protect the environment and the …
[PDF][PDF] An analysis of the metric structure of the weight space of feedforward networks and its application to time series modeling and prediction.
We study symmetries of feedforward networks in terms of their corresponding groups. We
nd that these groups naturally act on and partition weight space into disjunct domains. We …
nd that these groups naturally act on and partition weight space into disjunct domains. We …
Clustering in weight space of feedforward nets
We study symmetries of feedforward networks in terms of their corresponding groups and
find that these groups naturally act on and partition weight space. We specify an algorithm to …
find that these groups naturally act on and partition weight space. We specify an algorithm to …
Street geometry factors influence urban microclimate in tropical coastal cities: A review
Urban climatologists have moved smoothly towards urban geometry meso-scales as obstruction
between buildings, streets, and urban environment. Urban climatologists and designers …
between buildings, streets, and urban environment. Urban climatologists and designers …
Weight space analysis and forecast uncertainty
The usage of location information of weight vectors can help to overcome deficiencies of
gradient‐based learning for neural networks. We study the non‐trivial structure of weight space, …
gradient‐based learning for neural networks. We study the non‐trivial structure of weight space, …
[PDF][PDF] Practical tools for derivative instruments based on nonlinear time series prediction
A Ossen, M Schnauss, B Berlin - Neural Network World, 1995 - Citeseer
Derivative instruments are financial engineering tools. They are linked to underlying financial
instruments and are often better suited to manage exposure to risk. A number of tools exist …
instruments and are often better suited to manage exposure to risk. A number of tools exist …
Noninvasive determination of endothelium-mediated vasodilation as a screening test for coronary artery disease: pilot study to assess the predictive value in …
S Schroeder, MD Enderle, R Ossen, C Meisner… - American heart …, 1999 - Elsevier
Background Peripheral endothelial dysfunction (ED) quantified by the determination of flow-mediated
dilation (FMD%) of the brachial artery with the use of high-resolution ultrasound is …
dilation (FMD%) of the brachial artery with the use of high-resolution ultrasound is …