R. Calvo

Publications226
h-index40
Citations6,047
Highly Influential Citations354
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Affect Detection: An Interdisciplinary Review of Models, Methods, and Their Applications
TLDR
This survey describes recent progress in the field of Affective Computing (AC), with a focus on affect detection. Expand
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Positive Computing: Technology for Wellbeing and Human Potential
On the eve of Google's IPO in 2004, Larry Page and Sergey Brin vowed not to be evil. Today, a growing number of technologists would go further, trying to ensure that their work actively improves… Expand
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Fast Dimensionality Reduction and Simple PCA
TLDR
A fast and simple algorithm for approximately calculating the principal components PCs of a dataset and so reducing its dimensionality is described. Expand
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Automated Detection of Engagement Using Video-Based Estimation of Facial Expressions and Heart Rate
TLDR
We explored how computer vision techniques can be used to detect engagement while students completed a structured writing activity (draft-feedback-review) similar to activities encountered in educational settings. Expand
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Detecting Naturalistic Expressions of Nonbasic Affect Using Physiological Signals
TLDR
We develop user-independent and user-dependent physiology-based detectors of nonbasic affective states (e.g., boredom, confusion, curiosity) that were trained and validated on naturalistic data collected during interactions between 27 students and AutoTutor, an intelligent tutoring system with conversational dialogues. Expand
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Engineering students' conceptions of and approaches to learning through discussions in face-to-face and online contexts
Abstract This study focused on students' conceptions of and approaches to learning through face-to-face and online discussions. The study setting was a course in which students ( N  = 110) worked in… Expand
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Using galvanic skin response for cognitive load measurement in arithmetic and reading tasks
TLDR
We have assessed GSR data captured from two different experiments, one including text reading tasks and the other using arithmetic tasks, each imposing multiple cognitive load levels. Expand
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Evaluation of Unsupervised Emotion Models to Textual Affect Recognition
TLDR
In this paper we present an evaluation of new techniques for automatically detecting emotions in text. Expand
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CLPsych 2016 Shared Task: Triaging content in online peer-support forums
TLDR
This paper introduces a new shared task for the text mining community. Expand
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Designing for Motivation, Engagement and Wellbeing in Digital Experience
Research in psychology has shown that both motivation and wellbeing are contingent on the satisfaction of certain psychological needs. Yet, despite a long-standing pursuit in human-computer… Expand
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