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High-Frequency trading strategy based on deep neural networks
(2019-07-04)
Recent conceptual and engineering breakthroughs in Machine Learning (ML), particularly in Deep Neural Networks (DNN), have revolutionized the Computer Science field and have been responsible for astonishing breakthroughs ...
A computational justice model for resources distribution in Ad Hoc Networks
(2020-05-26)
We propose a computational justice model for resource distribution in ad hoc networks using socially inspired computing and agent-based modeling. Ad hoc networks are self-organizing systems in which there is no central ...
Design of a multiport frequency reconfigurable antenna suitable for IMT-advanced communications systems
(2018-12-07)
This thesis tackles the design, manufacture and validation of multi-port and frequency reconfigurable antennas intended for advanced communications applications. The main accomplishments of this thesis are: Extension of ...
A deep learning question answering method over mixed closed domain information sources
(Universidad Nacional de Colombia, 2021-05-25)
Question Answering (QA) is an active research area due to its usefulness in accessing the ever increasing amount of data. Information needs have led to the emergence of new information retrieval paradigms in which the user ...
Modelo para la evaluación multicriterio de tecnologías en salud
(Universidad Nacional de Colombia, 2021)
Desde una perspectiva de salud pública, el enfoque multicriterio en las evaluaciones de tecnologías en salud (ETES) ha permitido incorporar atributos adicionales a la efectividad y al costo para establecer el beneficio ...
Detección de emulación de usuario primario con localización dinámica en la red de radio cognitiva móvil mediante diseño cross-layer
(2020)
In the design of Cognitive Radio Mobile Networks, the detection of attacks such as primary user emulation is essential as it avoids secondary users interfering with primary users of the cellular mobile network. In addition, ...
Computational anatomy strategies for characterization of brain patterns associated with Alzheimer's disease
(Universidad Nacional de ColombiaUniversiteit Antwerpen, 2022)
La enfermedad de Alzheimer (EA) es una de las fallas sistemáticas del sistema nervioso más complejas que se conocen. Los síntomas clínicos de esta enfermedad neurodegenerativa son alteraciones de la cognición y el ...
Road accident forecast by using predictive modeling techniques
(Universidad Nacional de Colombia, 2023-08-29)
Los accidentes de tránsito son una gran preocupación a nivel mundial, ya que tienen un impacto significativo en la seguridad, la salud y el bienestar de las personas, por lo que constituyen un importante campo de investigación ...
Design of Fault Tolerant Embedded Systems using Approximate Computing Techniques.
(Universidad Nacional de Colombia, 2023-11-08)
Due to technological scaling, the susceptibility of modern systems to radiation effects has been steadily increasing. Consequently, it has become essential to protect systems against such faults. While these faults, referred ...
A strategy for interactive exploration of multimodal image collections
(2014)
La producción de contenido multimedia incluyendo documentos de texto, imágenes, videos y audio, ha experimentado un crecimiento exponencial producto del desarrollo de los sistemas de computación y comunicaciones. El ...