Robert Chew

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

Effect of Paxlovid treatment on long Covid onset: An Ehr-based target trial emulation from N3c

Annotation sensitivity: Training data collection methods affect model performance

Exploring whether mental health crisis text conversations that include discussion of firearms differ from those without firearms

Long COVID risk and pre-COVID vaccination in an EHR-based cohort study from the RECOVER program

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

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

Order effects in annotation tasks: Further evidence of annotation sensitivity

The use of crisis services following the mass school shooting in Uvalde, Texas: Quasi-experimental event study

Improving labeling through social science insights: Results and research agenda

Dug: A semantic search engine leveraging peer-reviewed knowledge to query biomedical data repositories

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

Subgroups of failure after surgery for pelvic organ prolapse and associations with quality of life outcomes: A longitudinal cluster analysis

Using image-recognition software to strengthen the capacity of community health workers

Machine learning for medical coding in healthcare surveys

Image sequence analysis via GRU and attention for trachomatous trichiasis classification

Social network analysis methods for international development

Predicting age groups of Reddit users based on posting behavior and metadata: Classification model development and validation

Collecting and using always-on location data in surveys

Worldwide population estimates for small geographic areas: Can we do a better job?