User profiles for Ruying Liu

Ruying Liu

University of Southern California
Verified email at usc.edu
Cited by 229

The field of human building interaction for convergent research and innovation for intelligent built environments

…, F Jazizadeh, A Khan, J Langevin, R Liu… - Scientific Reports, 2022 - nature.com
Human-Building Interaction (HBI) is a convergent field that represents the growing
complexities of the dynamic interplay between human experience and intelligence within built …

Ten questions concerning human-building interaction research for improving the quality of life

…, A Ghahramani, A Heydarian, F Jazizadeh, R Liu… - Building and …, 2022 - Elsevier
This paper seeks to address ten questions that explore the burgeoning field of Human-Building
Interaction (HBI), an interdisciplinary field that represents the next frontier in convergent …

Effectiveness of VR-based training on improving occupants' response and preparedness for active shooter incidents

R Liu, B Becerik-Gerber, GM Lucas - Safety science, 2023 - Elsevier
Effective training for preparing building occupants for active shooter incidents is essential to
reduce harm and fatalities. Virtual Reality (VR) technology has been increasingly used as a …

Ten questions concerning the impact of environmental stress on office workers

M Awada, B Becerik-Gerber, R Liu… - Building and …, 2023 - Elsevier
We regularly face stress during our everyday activities, to the extent that stress is recognized
by the World Health Organization as the epidemic of the 21st century. Stress is how humans …

Gender moderates the effects of ambient bergamot scent on stress restoration in offices

R Liu, M Awada, BB Gerber, GM Lucas… - Journal of Environmental …, 2023 - Elsevier
We investigated the physiological (heart rate variability) and psychological (state of anxiety,
pleasantness, and comfort) effects of ambient bergamot scent on the stress levels of office …

Be prepared: How training and emergency type affect evacuation behaviour

R Liu, R Zhu, B Becerik‐Gerber… - Journal of Computer …, 2023 - Wiley Online Library
Background Video‐based training has been widely adopted by private organizations and
public authorities to educate occupants on various types of building emergencies. However, …

A new perspective on stress detection: An automated approach for detecting eustress and distress

…, G Lucas, S Roll, R Liu - IEEE transactions on …, 2023 - ieeexplore.ieee.org
Previous studies have solely focused on establishing Machine Learning (ML) models for
automated detection of stress arousal. However, these studies do not recognize stress …

Enhancing Building Safety Design for Active Shooter Incidents: Exploration of Building Exit Parameters using Reinforcement Learning-Based Simulations

R Liu, W Wu, B Becerik-Gerber, GM Lucas - arXiv preprint arXiv …, 2024 - arxiv.org
With the alarming rise in active shooter incidents (ASIs) in the United States, enhancing
public safety through building design has become a pressing need. This study proposes a …

[HTML][HTML] On the minimum real roots of the σ-polynomials and chromatic uniqueness of graphs

H Zhao, X Li, S Zhang, R Liu - Discrete mathematics, 2004 - Elsevier
Let β(G) denote the minimum real root of the σ-polynomial of the complement of a graph G
and δ(G) the minimum degree of G. In this paper, we give a characterization of all connected …

[PDF][PDF] Adjoint polynomials and chromatically unique graphs

RY Liu - Discrete Mathematics, 1997 - core.ac.uk
… The notion of adjoint polynomials of graphs was introduced by Liu Ru-Ying [11]. In the
search for chromatically unique graphs, it turned out that many new results could be …