hdlib 2.0: Extending Machine Learning Capabilities of Vector-Symbolic Architectures

• URL: http://arxiv.org/abs/2601.02509v1
• Date: Mon, 05 Jan 2026 19:25:42 GMT
• Title: hdlib 2.0: Extending Machine Learning Capabilities of Vector-Symbolic Architectures
• Authors: Fabio Cumbo, Kabir Dhillon, Daniel Blankenberg,
• Abstract summary: We introduce a major extension to the Python library for designing Vector-Symbolic Architectures (VSA)<n>This update addresses the growing need for more advanced, data-driven modeling within the VSA framework.<n>We propose the first implementation ever of Quantum Hyperdimensional Computing with quantum-powered arithmetic operations.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Following the initial publication of hdlib, a Python library for designing Vector-Symbolic Architectures (VSA), we introduce a major extension that significantly enhances its machine learning capabilities. VSA, also known as Hyperdimensional Computing, is a computing paradigm that represents and processes information using high-dimensional vectors. While the first version of hdlib established a robust foundation for creating and manipulating these vectors, this update addresses the growing need for more advanced, data-driven modeling within the VSA framework. Here, we present four extensions: significant enhancements to the existing supervised classification model also enabling feature selection, and a new regression model for predicting continuous variables, a clustering model for unsupervised learning, and a graph-based learning model. Furthermore, we propose the first implementation ever of Quantum Hyperdimensional Computing with quantum-powered arithmetic operations and a new Quantum Machine Learning model for supervised learning. hdlib remains open-source and available on GitHub at https://github.com/cumbof/hdlib under the MIT license, and distributed through the Python Package Index (pip install hdlib) and Conda (conda install -c conda-forge hdlib). Documentation and examples of these new features are available on the official Wiki at https://github.com/cumbof/hdlib/wiki.

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