no code implementations • 20 Jan 2024 • David Oniani, Xizhi Wu, Shyam Visweswaran, Sumit Kapoor, Shravan Kooragayalu, Katelyn Polanska, Yanshan Wang
Results All four LLMs exhibit improved performance when enhanced with CPGs compared to the baseline ZSP.
no code implementations • 5 Oct 2023 • Yanwu Xu, Li Sun, Wei Peng, Shyam Visweswaran, Kayhan Batmanghelich
This study focuses on two main objectives: (1) the development of a method for creating images based on textual prompts and anatomical components, and (2) the capability to generate new images conditioning on anatomical elements.
no code implementations • 14 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.
no code implementations • 22 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.
no code implementations • 6 Jul 2022 • Ke Yu, Shyam Visweswaran, Kayhan Batmanghelich
We use the Variational Auto-Encoder (VAE) framework to encode the chemical structures of molecules and use the drug-drug similarity information obtained from the hierarchy to induce the clustering of drugs in hyperbolic space.
no code implementations • 8 Mar 2022 • Sonish Sivarajkumar, Thomas Yu CHow Tam, Haneef Ahamed Mohammad, Samual Viggiano, David Oniani, Shyam Visweswaran, Yanshan Wang
The results show that the rule-based NLP algorithm consistently achieved the best performance for all sleep concepts.
1 code implementation • 1 Jun 2020 • Ke Yu, Shyam Visweswaran, Kayhan Batmanghelich
We use the Variational Auto-Encoder (VAE) framework to encode the chemical structures of molecules and use the knowledge-based drug-drug similarity to induce the clustering of drugs in hyperbolic space.
1 code implementation • 24 May 2019 • Eric V. Strobl, Shyam Visweswaran
Personalized medicine seeks to identify the causal effect of treatment for a particular patient as opposed to a clinical population at large.
no code implementations • 25 May 2017 • Eric V. Strobl, Shyam Visweswaran, Peter L. Spirtes
Many real datasets contain values missing not at random (MNAR).
no code implementations • 13 Feb 2017 • Eric V. Strobl, Kun Zhang, Shyam Visweswaran
Constraint-based causal discovery (CCD) algorithms require fast and accurate conditional independence (CI) testing.
1 code implementation • 14 Jul 2016 • Eric V. Strobl, Peter L. Spirtes, Shyam Visweswaran
The PC algorithm allows investigators to estimate a complete partially directed acyclic graph (CPDAG) from a finite dataset, but few groups have investigated strategies for estimating and controlling the false discovery rate (FDR) of the edges in the CPDAG.
no code implementations • 14 Sep 2015 • Eric V. Strobl, Shyam Visweswaran
Ridge regularized linear models (RRLMs), such as ridge regression and the SVM, are a popular group of methods that are used in conjunction with coefficient hypothesis testing to discover explanatory variables with a significant multivariate association to a response.
1 code implementation • 28 Jul 2014 • Eric V. Strobl, Shyam Visweswaran
However, the proposed algorithm using a CDM outperforms the proposed algorithm using a DM only when sample sizes are above several hundred.
no code implementations • 9 Jul 2014 • Shyam Visweswaran, Gregory F. Cooper
Learning Markov blanket (MB) structures has proven useful in performing feature selection, learning Bayesian networks (BNs), and discovering causal relationships.
no code implementations • 1 Feb 2014 • Eric V. Strobl, Shyam Visweswaran
Developing feature selection algorithms that move beyond a pure correlational to a more causal analysis of observational data is an important problem in the sciences.
no code implementations • 11 Oct 2013 • Eric Strobl, Shyam Visweswaran
Deep learning methods have predominantly been applied to large artificial neural networks.