Search Results for author: Nicholas J Dobbins

Found 5 papers, 3 papers with code

Extracting Social Determinants of Health from Pediatric Patient Notes Using Large Language Models: Novel Corpus and Methods

1 code implementation31 Mar 2024 Yujuan Fu, Giridhar Kaushik Ramachandran, Nicholas J Dobbins, Namu Park, Michael Leu, Abby R. Rosenberg, Kevin Lybarger, Fei Xia, Ozlem Uzuner, Meliha Yetisgen

In this work, we present a novel annotated corpus, the Pediatric Social History Annotation Corpus (PedSHAC), and evaluate the automatic extraction of detailed SDoH representations using fine-tuned and in-context learning methods with Large Language Models (LLMs).

In-Context Learning

Prompt-based Extraction of Social Determinants of Health Using Few-shot Learning

no code implementations12 Jun 2023 Giridhar Kaushik Ramachandran, Yujuan Fu, Bin Han, Kevin Lybarger, Nicholas J Dobbins, Özlem Uzuner, Meliha Yetisgen

Social determinants of health (SDOH) documented in the electronic health record through unstructured text are increasingly being studied to understand how SDOH impacts patient health outcomes.

Few-Shot Learning

LeafAI: query generator for clinical cohort discovery rivaling a human programmer

no code implementations13 Apr 2023 Nicholas J Dobbins, Bin Han, Weipeng Zhou, Kristine Lan, H. Nina Kim, Robert Harrington, Ozlem Uzuner, Meliha Yetisgen

Conclusions: Our work contributes a state-of-the-art data model-agnostic query generation system capable of conditional reasoning using a knowledge base.

Logical Reasoning named-entity-recognition +2

Leveraging Natural Language Processing to Augment Structured Social Determinants of Health Data in the Electronic Health Record

1 code implementation14 Dec 2022 Kevin Lybarger, Nicholas J Dobbins, Ritche Long, Angad Singh, Patrick Wedgeworth, Ozlem Ozuner, Meliha Yetisgen

In an EHR case study, we applied the SDOH extractor to a large clinical data set with 225, 089 patients and 430, 406 notes with social history sections and compared the extracted SDOH information with existing structured data.

Relation Extraction

The Leaf Clinical Trials Corpus: a new resource for query generation from clinical trial eligibility criteria

1 code implementation27 Jul 2022 Nicholas J Dobbins, Tony Mullen, Ozlem Uzuner, Meliha Yetisgen

In order to identify potential participants at scale, these criteria must first be translated into queries on clinical databases, which can be labor-intensive and error-prone.

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