• Publications
  • Influence
Time Signal Classification Using Random Convolutional Features
  • A. Jiménez, B. Raj
  • Computer Science
  • ICASSP - IEEE International Conference on…
  • 1 May 2019
In this paper we present a transformation to convert time signals into a randomized low-dimensional vectors such that the inner product between these new features provides information about theExpand
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Preserving privacy in speaker and speech characterisation
Abstract Speech recordings are a rich source of personal, sensitive data that can be used to support a plethora of diverse applications, from health profiling to biometric recognition. It isExpand
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Strategies Used by Students on a Massively Multiplayer Online Mathematics Game
We analyze the logs of an online mathematics game tournament, played simultaneously by thousands of students. Nearly 10,000 students, coming from 356 schools from all regions in Chile, registered toExpand
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Teaching modeling skills using a massively multiplayer online mathematics game
One important challenge in mathematics education is teaching modeling skills. We analyze the logs from a game-based learning system used in a massively multiplayer online tournament. Students had toExpand
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Erratum to: The effect of inhibitory control on general mathematics achievement and fraction comparison in middle school children
Individual differences in inhibitory control have been shown to relate to general mathematics achievement, but whether this relation varies for specific areas within mathematics is a question thatExpand
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The effect of inhibitory control on general mathematics achievement and fraction comparison in middle school children
Individual differences in inhibitory control have been shown to relate to general mathematics achievement, but whether this relation varies for specific areas within mathematics is a question thatExpand
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EXPLORING FRACTION COMPARISON IN SCHOOL CHILDREN
The application to rational numbers of the procedures and intuitions proper of natural numbers is known as Natural Number Bias. Research on the cognitive foundations of this bias suggests that itExpand
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Voice disguise by mimicry: deriving statistical articulometric evidence to evaluate claimed impersonation
Voice disguise by impersonation is often used in voice-based crimes by perpetrators who try to evade identification while sounding genuine. Voice evidence from these crimes is analysed to both detectExpand
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CLASSIFICATION USING ONTOLOGY-BASED NEURAL NETWORKS
State of the art sound event classification relies in neural networks to learn the associations between class labels and audio recordings within a dataset. These datasets typically define an ontologyExpand
Case Studies of Potential Facility-Scale and Utility-Scale Non-Hydro Renewable Energy Projects across Reclamation
This report summarizes the results of an assessment and analysis of renewable energy opportunities conducted for the U.S. Department of the Interior, Bureau of Reclamation by the National RenewableExpand
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