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EXPERT

Robert Chew

Showing results 1 to 20 of 42.

Cover image for publication: Improving text classification with Boolean retrieval for rare categories: A case study identifying firearm violence conversations in the Crisis Text Line database
RTI Press Publication

Improving text classification with Boolean retrieval for rare categories: A case study identifying firearm violence conversations in the Crisis Text Line database

March 27, 2023
Article

Insights from an N3C RECOVER EHR-based cohort study characterizing SARS-CoV-2 reinfections and Long COVID

July 11, 2024
Chapter

Turning narrative descriptions of individual behavior into network visualization and analysis: Example of terrorist group dynamics

June 14, 2018
Article

Identifying electronic nicotine delivery system brands and flavors on instagram: Natural language processing analysis

January 18, 2022
Article

Collecting and using always-on location data in surveys

December 10, 2020
Article

Predicting age groups of Twitter users based on language and metadata features

August 29, 2017
Article

SMART: An open source data labeling platform for supervised learning

May 01, 2019
Article

The public health impact of different microbiological criteria approaches for salmonella in chicken parts

August 01, 2019
Article

Performance of two large language models for data extraction in evidence synthesis

June 19, 2024
Chapter

Annotation sensitivity: Training data collection methods affect model performance

December 01, 2023
Article

Leveraging investments, promoting transparency and mobilising communities: A qualitative analysis of news articles about how the Ebola outbreak informed COVID-19 response in five African countries

October 03, 2024
Article

Data extraction for evidence synthesis using a large language model: A proof-of-concept study

July 01, 2024
Article

Supplementing a survey with respondent Twitter data to measure e-cigarette information exposure

April 16, 2019
Article

Classification of Twitter users who tweet about e-cigarettes

September 26, 2017
Chapter

Improving labeling through social science insights: Results and research agenda

November 25, 2022
Article

Machine learning for medical coding in healthcare surveys

October 01, 2021
Chapter

Image sequence analysis via GRU and attention for trachomatous trichiasis classification

July 07, 2021
Article

An investigation of age-differentiated conversations about electronic nicotine delivery systems on Reddit

March 01, 2023
Article

Anesthesia staffing models and geographic prevalence post-medicare CRNA/physician exemption policy

March 01, 2019
Chapter

Assessing target audiences of digital public health campaigns: A computational approach

June 14, 2018