--- title: "Center for Health Optimization and Implementation Research" description: "Center for Health Optimization and Implementation Research (Bedford, United States): 3 works on the Elamur Research site, 1 people with a…" canonical: "https://research.elamur.ai/free/en/labs/center-for-health-optimization-and-implementation-research/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/labs/center-for-health-optimization-and-implementation-research/) [home](https://md.research.elamur.ai/free/en/) / [institutions](https://md.research.elamur.ai/free/en/orgs/) / [labs](https://md.research.elamur.ai/free/en/labs/) / Center for Health Optimization and Implementation Research # Center for Health Optimization and Implementation Research Research institute · CHOIR Bedford ([Dallas](https://md.research.elamur.ai/free/en/agglomerations/dallas/)), [United States](https://md.research.elamur.ai/free/en/countries/united-states/)in the agglomeration of [Dallas](https://md.research.elamur.ai/free/en/agglomerations/dallas/) - [Website](https://www.choir.research.va.gov) - [ROR](https://ror.org/04q2rbm50) - [OpenAlex](https://openalex.org/I4405272782) [**3** works in our library](https://md.research.elamur.ai/free/en/labs/center-for-health-optimization-and-implementation-research/#works) · [**3** people with a page](https://md.research.elamur.ai/free/en/labs/center-for-health-optimization-and-implementation-research/#authors) · [**14** citations of these works](https://md.research.elamur.ai/free/en/labs/center-for-health-optimization-and-implementation-research/#works) · [**8** citations in our library](https://md.research.elamur.ai/free/en/labs/center-for-health-optimization-and-implementation-research/#works) ## People (3) Authors with a page here who worked or studied at Center for Health Optimization and Implementation Research: first those whose cited work was done most here; beside each, their citations. ### Core (1) Confirmed by their records, or by their bylines here with a fair part of their work. 1. [**Zonghai Yao**current · 2025–2026 on 14 papers*7 papers here · 81 citations*](https://md.research.elamur.ai/free/en/authors/zonghai-yao/) **Also published with this affiliation (2)** Matched by the bylines of their papers, not confirmed: few papers there, or a small part of their work. 2. [**Hong Yu**current · 2026 on 1 paper*10 papers here · 1,165 citations*](https://md.research.elamur.ai/free/en/authors/hong-yu/) 3. [**Fei Li**2018–2019 on 3 papers*5 papers here · 3,372 citations*](https://md.research.elamur.ai/free/en/authors/fei-li/) ## Works in our library (3) The most cited first (OpenAlex citations plus our library's). 1. **[Knowing When to Abstain: Medical LLMs Under Clinical Uncertainty](https://md.research.elamur.ai/free/en/papers/machcha-2026-knowing-when-abstain-medical-llms/) [Conference of the European Chapter of the Association for Computational Linguistics (EACL)](https://md.research.elamur.ai/free/en/venues/eacl/)**Sravanthi Machcha, Sushrita Yerra, Sahil Gupta, et al.*2026 · 9 citations* 2. **[From Scores to Steps: Diagnosing and Improving LLM Performance in Evidence-Based Medical Calculations](https://md.research.elamur.ai/free/en/papers/wang-2025-scores-steps-diagnosing-improving-llm/) [Conference on Empirical Methods in Natural Language Processing (EMNLP)](https://md.research.elamur.ai/free/en/venues/emnlp/)**Benlu Wang, Iris Xia, Yifan Zhang, et al.*2025 · 5 citations* 3. **[Exploiting Tree Structure for Credit Assignment in Reinforcement Learning with Large Language Models](https://md.research.elamur.ai/free/en/papers/tran-2026-exploiting-tree-structure-credit-assignment/) [Findings of the Association for Computational Linguistics](https://md.research.elamur.ai/free/en/venues/findings/)**Hieu Tran, Zonghai Yao, Hong yu*2026* ## Works by year ### 2020s [**2026** 2 papers](https://md.research.elamur.ai/free/en/labs/center-for-health-optimization-and-implementation-research/year/2026/) · [**2025** 1 paper](https://md.research.elamur.ai/free/en/labs/center-for-health-optimization-and-implementation-research/year/2025/) ## Fields, topics and concepts Of its works in our library, with the number of works on each. 📚 Shelves 8 The field of science this work belongs to (OpenAlex fields).[Artificial Intelligence · 3 works](https://md.research.elamur.ai/free/en/shelves/computer-science/artificial-intelligence/) · [Computer Science · 3 works](https://md.research.elamur.ai/free/en/shelves/computer-science/) · [Health Informatics · 2 works](https://md.research.elamur.ai/free/en/shelves/medicine/health-informatics/) · [Medicine · 2 works](https://md.research.elamur.ai/free/en/shelves/medicine/) · [Health Information Management · 1 work](https://md.research.elamur.ai/free/en/shelves/health-professions/health-information-management/) · [Health Professions · 1 work](https://md.research.elamur.ai/free/en/shelves/health-professions/) · [Arts and Humanities · 2 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/) · [Language and Linguistics · 2 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/language-and-linguistics/) ## Collaborates with Institutions on the bylines of the same works here, the most works shared first. 1. **[University of Massachusetts Amherst](https://md.research.elamur.ai/free/en/universities/university-of-massachusetts-amherst/)***3 works shared* 2. **[University of Massachusetts Lowell](https://md.research.elamur.ai/free/en/universities/university-of-massachusetts-lowell/)***3 works shared* 3. **[Yale University](https://md.research.elamur.ai/free/en/universities/yale-university/)***1 work shared* Works and people from the bylines of the papers (OpenAlex): a person listed here worked or studied at Center for Health Optimization and Implementation Research; employment or education is named only where the person's ORCID record or Wikidata says so. Institution data from ROR and OpenAlex. Updated 2 November 2026