Quantum Ensembling Methods for Healthcare and Life Science

• URL: http://arxiv.org/abs/2506.02213v1
• Date: Mon, 02 Jun 2025 19:54:51 GMT
• Title: Quantum Ensembling Methods for Healthcare and Life Science
• Authors: Kahn Rhrissorrakrai, Kathleen E. Hamilton, Prerana Bangalore Parthsarathy, Aldo Guzman-Saenz, Tyler Alban, Filippo Utro, Laxmi Parida,
• Abstract summary: We study how effective quantum ensemble models are when trained on small data problems in healthcare and life sciences.<n>We constructed multiple types of quantum ensembles for binary classification using up to 26 qubits in simulation and 56 qubits on quantum hardware.<n>We tested these quantum ensembles on synthetic datasets and gene expression data from renal cell carcinoma patients with the task of predicting patient response to immunotherapy.
• Score: 0.6386874708851962
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Learning on small data is a challenge frequently encountered in many real-world applications. In this work we study how effective quantum ensemble models are when trained on small data problems in healthcare and life sciences. We constructed multiple types of quantum ensembles for binary classification using up to 26 qubits in simulation and 56 qubits on quantum hardware. Our ensemble designs use minimal trainable parameters but require long-range connections between qubits. We tested these quantum ensembles on synthetic datasets and gene expression data from renal cell carcinoma patients with the task of predicting patient response to immunotherapy. From the performance observed in simulation and initial hardware experiments, we demonstrate how quantum embedding structure affects performance and discuss how to extract informative features and build models that can learn and generalize effectively. We present these exploratory results in order to assist other researchers in the design of effective learning on small data using ensembles. Incorporating quantum computing in these data constrained problems offers hope for a wide range of studies in healthcare and life sciences where biological samples are relatively scarce given the feature space to be explored.

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