Publications de Laurent Son Nguyen

Mi Casa es su Casa? Examining Airbnb Hospitality Exchange Practices in a Developing Economy

2019

Predictive Validity of Thin-Slice Nonverbal Behavior from Social Interactions

We present five studies investigating the predictive validity of thin slices of nonverbal behavior (NVB). Predictive validity of thin slices refers to how well behavior slices excerpted from longer video predict other measured variables. Using six NVBs, we ...

SAGE PUBLICATIONS INC2019

Check Out This Place: Inferring Ambiance from Airbnb Photos

Daniel Gatica-Perez, Laurent Son Nguyen

Airbnb is changing the landscape of the hospitality industry. For guests, the process of selecting a place to stay is a type of zero-acquaintance situation, and to this day little is known about the inferences that guests make about Airbnb listings. Enviro ...

2018

Modeling Dyadic and Group Impressions with Inter-Modal and Inter-Person Features

Daniel Gatica-Perez, Laurent Son Nguyen, Oya Aran

This article proposes a novel feature-extraction framework for inferring impression personality traits, emergent leadership skills, communicative competence, and hiring decisions. The proposed framework extracts multimodal features, describing each partici ...

2018

Hirability in the wild: Analysis of online conversational video resumes

Daniel Gatica-Perez, Laurent Son Nguyen

Online social media is changing the personnel recruitment process. Until now, resumes were among the most widely used tools for the screening of job applicants. The advent of inexpensive sensors combined with the success of online video platforms has enabl ...

2016

Stressful First Impressions in Job Interviews

Daniel Gatica-Perez, Laurent Son Nguyen, Skanda Muralidhar

Stress can impact many aspects of our lives, such as the way we interact and work with others, or the first impressions that we make. In the past, stress has most commonly been assessed through selfreported questionnaires; however, advancements in wearable ...

Assoc Computing Machinery2016

Training on the Job: Behavioral Analysis of Job Interviews in Hospitality

Daniel Gatica-Perez, Jean-Marc Odobez, Laurent Son Nguyen, Skanda Muralidhar, Denise Frauendorfer

First impressions play a critical role in the hospitality industry and have been shown to be closely linked to the behavior of the person being judged. In this work, we implemented a behavioral training framework for hospitality students with the goal of i ...

Assoc Computing Machinery2016

Computational Analysis Of Behavior In Employment Interviews And Video Resumes

Laurent Son Nguyen

Used in nearly every organization, employment interviews are a ubiquitous process where job applicants are evaluated by an employer for an open position. Consisting of an interpersonal interaction between at least one interviewer and a job applicant, they ...

EPFL2015

Hire Me: Computational inference of hirability in employment interviews based on nonverbal behavior

Daniel Gatica-Perez, Laurent Son Nguyen, Denise Frauendorfer

Understanding the basis on which recruiters form hirability impressions for a job applicant is a key issue in organizational psychology and can be addressed as a social computing problem. We approach the problem from a face-to-face, nonverbal perspective w ...

2014

Flow measurements in sewer systems based on image analysis: automatic flow velocity algorithm

David Andrew Barry, Luca Rossi, Daniel Sage, Laurent Son Nguyen, Salim Kayal, David Jeanbourquin

Discharges of combined sewer overflows (CSOs) and stormwater are recognized as an important source of environmental contamination. However, the harsh sewer environment and particular hydraulic conditions during rain events reduce the reliability of traditi ...

IWA Publishing2011