Multitask Learning with Data Editing

  • Authors:
  • Andrés Bueno-Crespo;Antonio Sánchez-García;Juan Morales-Sánchez;José-Luis Sancho-Gómez

  • Affiliations:
  • Dpto. Informática de Sistemas, Universidad Católica San Antonio, Murcia, Spain;Área Técnica de Estudios Avanzados y Tratamiento Digital de Señales, S.A. de Electrónica Submarina (SAES), Cartagena (Murcia), Spain;Dpto. Tecnologías de la Información y las Comunicaciones, Universidad Politécnica de Cartagena, Cartagena (Murcia), Spain;Dpto. Tecnologías de la Información y las Comunicaciones, Universidad Politécnica de Cartagena, Cartagena (Murcia), Spain

  • Venue:
  • IWINAC '07 Proceedings of the 2nd international work-conference on The Interplay Between Natural and Artificial Computation, Part I: Bio-inspired Modeling of Cognitive Tasks
  • Year:
  • 2007

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Abstract

In real life, the task learning is reinforced by the related tasks that we have learned or that we learn at the same time. This scheme applied to Artificial Neural Networks (ANN) is known with the name of Multitask Learning (MTL). So, the information coming from the related secondary tasks provide a bias to the main task, which improves its performances versus a Single-Task Learning (STL) scheme. However, this implies a bigger complexity. Data Editing procedures are used to reduce the algorithmic complexity, obtaining an outstanding samples set from the original set. This edited set gets the performance very fast. In this paper we combine MTL with Data Editing, so we can approach the small samples set training in an MTL scheme.