Publications by authors named "Alec Chapman"

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Epigenetic control of metabolic identity across cell types.
Maria Pires Pacheco, Déborah Gerard, Riley J Mangan, Alec R Chapman, Dennis Hecker

BMC Genomics· December 2025

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Evaluating the impact of an oral care initiative on the risk of non-ventilator-associated hospital-acquired pneumonia using electronic clinical data and diagnostic coding surveillance criteria.
Barbara E Jones, Alec B Chapman, Jian Ying, McKenna R Nevers, Shannon Munro

Infect Control Hosp Epidemiol· October 2025

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Extracting Social Determinants of Health from Dental Clinical Notes.
Farhana Pethani, Alec Chapman, Mike Conway, Xiang Dai, Demiana Bishay

Appl Clin Inform· August 2025

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Studying Veteran food insecurity longitudinally using electronic health record data and natural language processing.
Alec B Chapman, Talia Panadero, Rachel Dalrymple, Alicia Cohen, Nipa Kamdar

AMIA Jt Summits Transl Sci Proc· June 2025

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The effect of a Veterans Affairs rapid rehousing and homelessness prevention program on long-term housing instability.
Alec B Chapman, Daniel Scharfstein, Thomas Byrne, Ann Elizabeth Montgomery, Ying Suo

Health Serv Res· May 2025

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Epigenetic control of metabolic identity across cell types.
Maria Pires Pacheco, Déborah Gerard, Riley J Mangan, Alec R Chapman, Dennis Hecker

bioRxiv· December 2024

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Cost-Effectiveness of Temporary Financial Assistance for Veterans Experiencing Housing Instability.
Richard E Nelson, Alec Chapman, Thomas Byrne, Nathorn Chaiyakunapruk, Ying Suo

JAMA Netw Open· November 2024

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Diagnostic Discordance, Uncertainty, and Treatment Ambiguity in Community-Acquired Pneumonia : A National Cohort Study of 115 U.S. Veterans Affairs Hospitals.
Barbara E Jones, Alec B Chapman, Jian Ying, Elizabeth D Rutter, McKenna R Nevers

Ann Intern Med· September 2024

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Pneumonia diagnosis performance in the emergency department: a mixed-methods study about clinicians' experiences and exploration of individual differences and response to diagnostic performance feedback.
Jorie M Butler, Teresa Taft, Peter Taber, Elizabeth Rutter, Megan Fix, Alec Chapman

J Am Med Inform Assoc· June 2024

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Automating detection of diagnostic error of infectious diseases using machine learning.
Kelly S Peterson, Alec B Chapman, Wathsala Widanagamaachchi, Jesse Sutton, Brennan Ochoa

PLOS Digit Health· June 2024

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Temporary Financial Assistance Reduced The Probability Of Unstable Housing Among Veterans For More Than 1 Year.
Alec B Chapman, Daniel Scharfstein, Thomas H Byrne, Ann Elizabeth Montgomery, Ying Suo

Health Aff (Millwood)· February 2024

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Using natural language processing to study homelessness longitudinally with electronic health record data subject to irregular observations.
Alec B Chapman, Daniel O Scharfstein, Ann Elizabeth Montgomery, Thomas Byrne, Ying Suo

AMIA Annu Symp Proc· January 2024

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A Linguistic Analysis Examining the Impact of COVID-19 on Pneumonia Diagnosis and Disease Models.
Alec B Chapman, Kelly S Peterson, Elizabeth Rutter, Mckenna Nevers, Jian Ying

Stud Health Technol Inform· January 2024

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Assessing longitudinal housing status using Electronic Health Record data: a comparison of natural language processing, structured data, and patient-reported history.
Alec B Chapman, Kristina Cordasco, Stephanie Chassman, Talia Panadero, Dylan Agans

Front Artif Intell· May 2023

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Predictors of homeless service utilization and stable housing status among Veterans receiving services from a nationwide homelessness prevention and rapid rehousing program.
Thomas Byrne, Ann Elizabeth Montgomery, Alec B Chapman, Warren Pettey, Atim Effiong

Eval Program Plann· April 2023

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Hospital admission decisions for older Veterans with community-onset pneumonia: An analysis of 118 U.S. Veterans Affairs Medical Centers.
Barbara E Jones, Jian Ying, McKenna Nevers, Elizabeth D Rutter, Alec B Chapman

Acad Emerg Med· April 2023

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Correlated gene modules uncovered by high-precision single-cell transcriptomics.
Alec R Chapman, David F Lee, Wenting Cai, Wenping Ma, Xiang Li

Proc Natl Acad Sci U S A· December 2022

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Development and evaluation of an interoperable natural language processing system for identifying pneumonia across clinical settings of care and institutions.
Alec B Chapman, Kelly S Peterson, Elizabeth Rutter, Mckenna Nevers, Mingyuan Zhang

JAMIA Open· December 2022

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A flexible framework for visualizing and exploring patient misdiagnosis over time.
Wathsala Widanagamaachchi, Kelly Peterson, Alec Chapman, David Classen, Makoto Jones

J Biomed Inform· October 2022

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Launching into clinical space with medspaCy: a new clinical text processing toolkit in Python.
Hannah Eyre, Alec B Chapman, Kelly S Peterson, Jianlin Shi, Patrick R Alba

AMIA Annu Symp Proc· April 2022

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ReHouSED: A novel measurement of Veteran housing stability using natural language processing.
Alec B Chapman, Audrey Jones, A Taylor Kelley, Barbara Jones, Lori Gawron

J Biomed Inform· October 2021

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Automated Travel History Extraction From Clinical Notes for Informing the Detection of Emergent Infectious Disease Events: Algorithm Development and Validation.
Kelly S Peterson, Julia Lewis, Olga V Patterson, Alec B Chapman, Daniel W Denhalter

JMIR Public Health Surveill· March 2021

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Detecting Evidence of Intra-abdominal Surgical Site Infections from Radiology Reports Using Natural Language Processing.
Alec B Chapman, Danielle L Mowery, Douglas S Swords, Wendy W Chapman, Brian T Bucher

AMIA Annu Symp Proc· March 2019

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Detecting Adverse Drug Events with Rapidly Trained Classification Models.
Alec B Chapman, Kelly S Peterson, Patrick R Alba, Scott L DuVall, Olga V Patterson

Drug Saf· January 2019

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