Search Results for author: Yanshan Wang

Found 34 papers, 5 papers with code

EchoGen: Generating Conclusions from Echocardiogram Notes

no code implementations BioNLP (ACL) 2022 Liyan Tang, Shravan Kooragayalu, Yanshan Wang, Ying Ding, Greg Durrett, Justin F. Rousseau, Yifan Peng

Generating a summary from findings has been recently explored (Zhang et al., 2018, 2020) in note types such as radiology reports that typically have short length.

Attribute

Emerging Opportunities of Using Large Language Models for Translation Between Drug Molecules and Indications

no code implementations14 Feb 2024 David Oniani, Jordan Hilsman, Chengxi Zang, Junmei Wang, Lianjin Cai, Jan Zawala, Yanshan Wang

In this paper, we first propose a new task, which is the translation between drug molecules and corresponding indications, and then test existing LLMs on this new task.

Drug Discovery Language Modelling +2

Assertion Detection Large Language Model In-context Learning LoRA Fine-tuning

no code implementations31 Jan 2024 Yuelyu Ji, Zeshui Yu, Yanshan Wang

To further assess the generalizability of our approach, we extended our evaluation to a local dataset that focused on sleep concept extraction.

In-Context Learning Language Modelling +1

TrojFSP: Trojan Insertion in Few-shot Prompt Tuning

no code implementations16 Dec 2023 Mengxin Zheng, Jiaqi Xue, Xun Chen, Yanshan Wang, Qian Lou, Lei Jiang

However, the security issues, e. g., Trojan attacks, of prompt tuning on a few data samples are not well-studied.

Data Poisoning Language Modelling

Distilling Large Language Models for Matching Patients to Clinical Trials

no code implementations15 Dec 2023 Mauro Nievas, Aditya Basu, Yanshan Wang, Hrituraj Singh

To address these issues, this study presents the first systematic examination of the efficacy of both proprietary (GPT-3. 5, and GPT-4) and open-source LLMs (LLAMA 7B, 13B, and 70B) for the task of patient-trial matching.

In-Context Learning Functions with Varying Number of Minima

1 code implementation21 Nov 2023 David Oniani, Yanshan Wang

In our study, we use a formal framework to explore ICL and propose a new task of approximating functions with varying number of minima.

In-Context Learning

Leveraging Generative AI for Clinical Evidence Summarization Needs to Ensure Trustworthiness

no code implementations19 Nov 2023 Gongbo Zhang, Qiao Jin, Denis Jered McInerney, Yong Chen, Fei Wang, Curtis L. Cole, Qian Yang, Yanshan Wang, Bradley A. Malin, Mor Peleg, Byron C. Wallace, Zhiyong Lu, Chunhua Weng, Yifan Peng

Evidence-based medicine promises to improve the quality of healthcare by empowering medical decisions and practices with the best available evidence.

Foundation Metrics for Evaluating Effectiveness of Healthcare Conversations Powered by Generative AI

no code implementations21 Sep 2023 Mahyar Abbasian, Elahe Khatibi, Iman Azimi, David Oniani, Zahra Shakeri Hossein Abad, Alexander Thieme, Ram Sriram, Zhongqi Yang, Yanshan Wang, Bryant Lin, Olivier Gevaert, Li-Jia Li, Ramesh Jain, Amir M. Rahmani

The purpose of this paper is to explore state-of-the-art LLM-based evaluation metrics that are specifically applicable to the assessment of interactive conversational models in healthcare.

Ethics

An Empirical Evaluation of Prompting Strategies for Large Language Models in Zero-Shot Clinical Natural Language Processing

no code implementations14 Sep 2023 Sonish Sivarajkumar, Mark Kelley, Alyssa Samolyk-Mazzanti, Shyam Visweswaran, Yanshan Wang

To the best of our knowledge, this is one of the first works on the empirical evaluation of different prompt engineering approaches for clinical NLP in this era of generative AI, and we hope that it will inspire and inform future research in this area.

Attribute Attribute Extraction +4

Large Language Models Vote: Prompting for Rare Disease Identification

2 code implementations24 Aug 2023 David Oniani, Jordan Hilsman, Hang Dong, Fengyi Gao, Shiven Verma, Yanshan Wang

This method achieves improved results to any one model in the ensemble on one-shot rare disease identification and classification tasks.

Few-Shot Learning

From Military to Healthcare: Adopting and Expanding Ethical Principles for Generative Artificial Intelligence

no code implementations4 Aug 2023 David Oniani, Jordan Hilsman, Yifan Peng, COL, Ronald K. Poropatich, COL Jeremy C. Pamplin, LTC Gary L. Legault, Yanshan Wang

In 2020, the U. S. Department of Defense officially disclosed a set of ethical principles to guide the use of Artificial Intelligence (AI) technologies on future battlefields.

Decision Making

Fair Patient Model: Mitigating Bias in the Patient Representation Learned from the Electronic Health Records

no code implementations5 Jun 2023 Sonish Sivarajkumar, Yufei Huang, Yanshan Wang

Methods: We defined a new loss function, called weighted loss function, in the deep representation learning model to balance the importance of different groups of patients and features.

Fairness Representation Learning

Less Likely Brainstorming: Using Language Models to Generate Alternative Hypotheses

no code implementations30 May 2023 Liyan Tang, Yifan Peng, Yanshan Wang, Ying Ding, Greg Durrett, Justin F. Rousseau

To tackle this problem, we propose a controlled text generation method that uses a novel contrastive learning strategy to encourage models to differentiate between generating likely and less likely outputs according to humans.

Contrastive Learning Decision Making +1

Mining Clinical Notes for Physical Rehabilitation Exercise Information: Natural Language Processing Algorithm Development and Validation Study

no code implementations22 Mar 2023 Sonish Sivarajkumar, Fengyi Gao, Parker E. Denny, Bayan M. Aldhahwani, Shyam Visweswaran, Allyn Bove, Yanshan Wang

Objective: This study aims to develop and evaluate a variety of NLP algorithms to extract and categorize physical rehabilitation exercise information from the clinical notes of post-stroke patients treated at the University of Pittsburgh Medical Center.

Language Modelling Large Language Model +1

Toward Improving Health Literacy in Patient Education Materials with Neural Machine Translation Models

no code implementations14 Sep 2022 David Oniani, Sreekanth Sreekumar, Renuk DeAlmeida, Dinuk DeAlmeida, Vivian Hui, Young ji Lee, Yiye Zhang, Leming Zhou, Yanshan Wang

We also verified the effectiveness of NMT models in translating health illiterate languages by comparing the ratio of health illiterate language in the sentence.

Machine Translation NMT +1

Automated Fidelity Assessment for Strategy Training in Inpatient Rehabilitation using Natural Language Processing

no code implementations14 Sep 2022 Hunter Osterhoudt, Courtney E. Schneider, Haneef A Mohammad, Minmei Shih, Alexandra E. Harper, Leming Zhou, Elizabeth R Skidmore, Yanshan Wang

Although the fidelity assessment for detecting guided and directed verbal cues is valid and feasible for single-site studies, it can become labor intensive, time consuming, and expensive in large, multi-site pragmatic trials.

valid

Few-Shot Learning for Clinical Natural Language Processing Using Siamese Neural Networks

no code implementations31 Aug 2022 David Oniani, Sonish Sivarajkumar, Yanshan Wang

Working with smaller annotated datasets is typical in clinical NLP and therefore, ensuring that deep learning models perform well is crucial for the models to be used in real-world applications.

Few-Shot Learning named-entity-recognition +4

Graph-Augmented Cyclic Learning Framework for Similarity Estimation of Medical Clinical Notes

no code implementations19 Aug 2022 Can Zheng, Yanshan Wang, Xiaowei Jia

Semantic textual similarity (STS) in the clinical domain helps improve diagnostic efficiency and produce concise texts for downstream data mining tasks.

Language Modelling Semantic Textual Similarity +1

HealthPrompt: A Zero-shot Learning Paradigm for Clinical Natural Language Processing

no code implementations9 Mar 2022 Sonish Sivarajkumar, Yanshan Wang

We developed a novel prompt-based clinical NLP framework called HealthPrompt and applied the paradigm of prompt-based learning on clinical texts.

Language Modelling Zero-Shot Learning

Neural Language Models with Distant Supervision to Identify Major Depressive Disorder from Clinical Notes

no code implementations19 Apr 2021 Bhavani Singh Agnikula Kshatriya, Nicolas A Nunez, Manuel Gardea- Resendez, Euijung Ryu, Brandon J Coombes, Sunyang Fu, Mark A Frye, Joanna M Biernacka, Yanshan Wang

The experimental results indicate that our proposed approach is effective in identifying MDD phenotypes and that the Bio- Clinical BERT, a specific BERT model for clinical data, achieved the best performance in comparison with conventional machine learning models.

BIG-bench Machine Learning EEG +3

Extracting Lifestyle Factors for Alzheimer's Disease from Clinical Notes Using Deep Learning with Weak Supervision

no code implementations22 Jan 2021 Zitao Shen, Yoonkwon Yi, Anusha Bompelli, Fang Yu, Yanshan Wang, Rui Zhang

We performed two case studies: physical activity and excessive diet, in order to validate the effectiveness of BERT models in classifying lifestyle factors for AD.

A Qualitative Evaluation of Language Models on Automatic Question-Answering for COVID-19

1 code implementation19 Jun 2020 David Oniani, Yanshan Wang

However, such models are rarely applied and evaluated in the healthcare domain, to meet the information needs with accurate and up-to-date healthcare data.

Chatbot Language Modelling +3

Clinical Concept Extraction: a Methodology Review

no code implementations24 Oct 2019 Sunyang Fu, David Chen, Huan He, Sijia Liu, Sungrim Moon, Kevin J Peterson, Feichen Shen, Li-Wei Wang, Yanshan Wang, Andrew Wen, Yiqing Zhao, Sunghwan Sohn, Hongfang Liu

Background Concept extraction, a subdomain of natural language processing (NLP) with a focus on extracting concepts of interest, has been adopted to computationally extract clinical information from text for a wide range of applications ranging from clinical decision support to care quality improvement.

Clinical Concept Extraction Decision Making

How Good is Artificial Intelligence at Automatically Answering Consumer Questions Related to Alzheimer's Disease?

no code implementations21 Aug 2019 Krishna B. Soundararajan, Sunyang Fu, Luke A. Carlson, Rebecca A. Smith, David S. Knopman, Hongfang Liu, Yanshan Wang

The total lifetime cost of care for someone with dementia is estimated to be $350, 174 in 2018, 70% of which is associated with family-provided care.

Applications of Natural Language Processing in Clinical Research and Practice

no code implementations NAACL 2019 Yanshan Wang, Ahmad Tafti, Sunghwan Sohn, Rui Zhang

Through this tutorial, we would like to introduce NLP methodologies and tools developed in the clinical domain, and showcase the real-world NLP applications in clinical research and practice at Mayo Clinic (the No.

Retrieval

MedSTS: A Resource for Clinical Semantic Textual Similarity

4 code implementations28 Aug 2018 Yanshan Wang, Naveed Afzal, Sunyang Fu, Li-Wei Wang, Feichen Shen, Majid Rastegar-Mojarad, Hongfang Liu

A subset of MedSTS (MedSTS_ann) containing 1, 068 sentence pairs was annotated by two medical experts with semantic similarity scores of 0-5 (low to high similarity).

Decision Making Semantic Similarity +3

A Comparison of Word Embeddings for the Biomedical Natural Language Processing

2 code implementations1 Feb 2018 Yanshan Wang, Sijia Liu, Naveed Afzal, Majid Rastegar-Mojarad, Li-Wei Wang, Feichen Shen, Paul Kingsbury, Hongfang Liu

First, the word embeddings trained on clinical notes and biomedical publications can capture the semantics of medical terms better, and find more relevant similar medical terms, and are closer to human experts' judgments, compared to these trained on Wikipedia and news.

Information Retrieval

Stock price direction prediction by directly using prices data: an empirical study on the KOSPI and HSI

no code implementations27 Sep 2013 Yanshan Wang

In this paper, we propose a method that directly uses prices data to predict market index direction and stock price direction.

Stock Prediction

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