William O’Brien

8.5k citations

197 papers · 6.0k · 3 hit papers · h-index 40

Impact in

Building and Construction top 0.02%
- Building Energy and Comfort Optimization
- Sustainable Building Design and Assessment
Environmental Engineering top 0.2%
- Urban Heat Island Mitigation
- Wind and Air Flow Studies

Papers in

Building and Construction 154
- Building Energy and Comfort Optimization 143
- Sustainable Building Design and Assessment 30
- BIM and Construction Integration 13
Environmental Engineering 62
- Wind and Air Flow Studies 32
- Urban Heat Island Mitigation 26

Co-authors: H. Burak Gunay (41 shared papers)Ian Beausoleil-Morrison (17 shared papers)Sara Gilani (15 shared papers)Salvatore Carlucci (6 shared papers)Farhang Tahmasebi (7 shared papers)Tianzhen Hong (6 shared papers)Ardeshir Mahdavi (5 shared papers)Brent Huchuk (11 shared papers)
Journals: Building and Environment (36 papers)Energy and Buildings (27 papers)Science and Technology for the Built Environment (20 papers)Journal of Building Performance Simulation (16 papers)Building Research & Information (5 papers)
Partner nations: Canada United States Germany

In The Last Decade

William O’Brien

190 papers receiving 5.8k citations

William O’Brien's Hit Papers

align trajectories log scale

Introducing IEA EBC annex 79: Key challenges and opportunities in the field of occupant-centric building design and operation 2020 · 222 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2020 Building and Environment
2015 Energy and Buildings
2013 Energy and Buildings

Peers

Countries citing papers authored by William O’Brien

Since Specialization

Citations

This map shows the geographic impact of William O’Brien's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by William O’Brien with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites William O’Brien more than expected).

Fields of papers citing papers by William O’Brien

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by William O’Brien. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by William O’Brien. The network helps show where William O’Brien may publish in the future.

Co-authors

The 25 scholars most cited alongside William O’Brien, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with William O’Brien Line = papers co-authored together William O’Brien links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 197 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Occupant behavior modeling for building performance simulation: Current state and future challenges Energy and Buildings ·Da Yan, William O’Brien, Tianzhen Hong, Xiaohang Feng, H. Burak Gunay, Farhang Tahmasebi, Ardeshir Mahdavi Hit paper breakdown →	2015	673
2	Assessing gaps and needs for integrating building performance optimization tools in net zero energy buildings design Energy and Buildings ·Shady Attia, Mohamed Hamdy, William O’Brien, Salvatore Carlucci Hit paper breakdown →	2013	345
3	Introducing IEA EBC annex 79: Key challenges and opportunities in the field of occupant-centric building design and operation Building and Environment ·William O’Brien, Andreas Wagner, Marcel Schweiker, Ardeshir Mahdavi, Julia K. Day, Mikkel Baun Kjærgaard, Salvatore Carlucci, Bing Dong, Farhang Tahmasebi, Da Yan, Tianzhen Hong, H. Burak Gunay, Zoltán Nagy, Clayton Miller, Christiane Berger Hit paper breakdown →	2020	222
4	A critical review of observation studies, modeling, and simulation of adaptive occupant behaviors in offices Building and Environment ·H. Burak Gunay, William O’Brien, Ian Beausoleil-Morrison	2013	221
5	The contextual factors contributing to occupants' adaptive comfort behaviors in offices – A review and proposed modeling framework Building and Environment ·William O’Brien, H. Burak Gunay	2014	214
6	Manually-operated window shade patterns in office buildings: A critical review Building and Environment ·William O’Brien, Konstantinos Kapsis, Andreas Athienitis	2012	205
7	A critical review of field implementations of occupant-centric building controls Building and Environment ·June Young Park, Mohamed Ouf, Burak Gunay, Yuzhen Peng, William O’Brien, Mikkel Baun Kjærgaard, Zoltán Nagy	2019	184
8	Development and implementation of an adaptive lighting and blinds control algorithm Building and Environment ·H. Burak Gunay, William O’Brien, Ian Beausoleil-Morrison, Sara Gilani	2016	140
9	A review of factors affecting occupant comfort in multi-unit residential buildings Building and Environment ·Maedot S. Andargie, Marianne F. Touchie, William O’Brien	2019	122
10	Development and implementation of automated fault detection and diagnostics for building systems: A review Automation in Construction ·Zixiao Shi, William O’Brien	2019	118
11	Does telecommuting save energy? A critical review of quantitative studies and their research methods Energy and Buildings ·William O’Brien, Fereshteh Yazdani Aliabadi	2020	115
12	A review of select human-building interfaces and their relationship to human behavior, energy use and occupant comfort Building and Environment ·Julia K. Day, Claire McIlvennie, Connor Brackley, Mariantonietta Tarantini, Cristina Piselli, Jakob Hahn, William O’Brien, Vinu Subashini Rajus, Marilena De Simone, Mikkel Baun Kjærgaard, Marco Pritoni, Arno Schlüter, Yuzhen Peng, Marcel Schweiker, Gianmarco Fajilla, Cristina Becchio, Valentina Fabi, Giorgia Spigliantini, Ghadeer Derbas, Anna Laura Pisello	2020	112
13	Exploring Occupant Behavior in Buildings TU/e Research Portal ·Andreas Wagner, William O’Brien, Bing Dong	2017	108
14	Simulation-aided occupant-centric building design: A critical review of tools, methods, and applications Energy and Buildings ·Elie Azar, William O’Brien, Salvatore Carlucci, Tianzhen Hong, Andrew Sonta, Joyce Kim, Maedot S. Andargie, Tareq Abuimara, Mounir El Asmar, Rishee K. Jain, Mohamed Ouf, Farhang Tahmasebi, Jin Zhou	2020	90
15	Comparison of machine learning models for occupancy prediction in residential buildings using connected thermostat data Building and Environment ·Brent Huchuk, Scott Sanner, William O’Brien	2019	88
16	Implementation and comparison of existing occupant behaviour models in EnergyPlus Journal of Building Performance Simulation ·H. Burak Gunay, William O’Brien, Ian Beausoleil-Morrison	2015	88
17	On occupant-centric building performance metrics Building and Environment ·William O’Brien, Isabella Gaetani, Salvatore Carlucci, Pieter-Jan Hoes, Jlm Jan Hensen	2017	81
18	Ten questions concerning thermal resilience of buildings and occupants for climate adaptation Building and Environment ·Tianzhen Hong, Jeetika Malik, Amanda F. Krelling, William O’Brien, Kaiyu Sun, Roberto Lamberts, Max Wei	2023	74
19	Oh behave! Survey stories and lessons learned from building occupants in high-performance buildings Energy Research & Social Science ·Julia K. Day, William O’Brien	2017	70
20	A preliminary study of representing the inter-occupant diversity in occupant modelling Journal of Building Performance Simulation ·William O’Brien, H. Burak Gunay, Farhang Tahmasebi, Ardeshir Mahdavi	2016	68

About William O’Brien

William O’Brien is a scholar working on Building and Construction, Environmental Engineering, Social Psychology, Speech and Hearing and Renewable Energy, Sustainability and the Environment, having authored 197 papers that have together received 6.0k indexed citations. Recurring topics across this work include Building Energy and Comfort Optimization (143 papers), Facilities and Workplace Management (53 papers), Wind and Air Flow Studies (32 papers), Sustainable Building Design and Assessment (30 papers), Noise Effects and Management (28 papers), Urban Heat Island Mitigation (26 papers), Energy Efficiency and Management (21 papers) and BIM and Construction Integration (13 papers). The work is most often cited by research in Building and Construction (4.9k citations), Environmental Engineering (2.0k citations), Speech and Hearing (878 citations), Social Psychology (1.3k citations) and Renewable Energy, Sustainability and the Environment (805 citations). William O’Brien has collaborated with scholars based in Canada, United States and Germany. Frequent co-authors include H. Burak Gunay, Ian Beausoleil-Morrison, Sara Gilani, Salvatore Carlucci, Farhang Tahmasebi, Tianzhen Hong, Ardeshir Mahdavi, Brent Huchuk, Da Yan and Zixiao Shi. Their work appears in journals such as Building and Environment, Energy and Buildings, Science and Technology for the Built Environment, Journal of Building Performance Simulation and Building Research & Information.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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William O’Brien

William O’Brien's Hit Papers

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Fields of papers citing papers by William O’Brien

All Works

About William O’Brien

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