Results 81 to 90 of about 3,222 (193)

QUBO Models

open access: yes
Abstract Having previously studied general aspects of QUBO models, we now study application specific examples and how to derive or set them up. Our application examples will consider problems in areas like combinatorial optimization, constraint satisfaction, data mining, and machine learning and are supposed to illustrate that QUBOs ...
Christian Bauckhage, Rafet Sifa
openaire   +1 more source

Clustering-Based Sub-QUBO Extraction for Hybrid QUBO Solvers

open access: yes
Quantum Approximate Optimization Algorithm (QAOA) can be used to solve quadratic unconstrained binary optimization (QUBO) problems. However, the size of the solvable problem is limited by the number of qubits. To leverage noisy intermediate-scale quantum (NISQ) devices to solve large-scale QUBO problems, one possible way is to decompose the full ...
Zhao, Wending, Tang, Gaoxiang
openaire   +2 more sources

Quantum Machine Learning Applications to Medical Images: A Survey

open access: yesIET Quantum Communication, Volume 7, Issue 1, January/December 2026.
In this review paper, we provide an outline of quantum neural networks (QNNs), quantum convolution neural networks (QCNNs) and various hybrid models. We also explore human brain‐inspired quantum neuromorphic computing by the quantum spiking neural networks (QSNN).
Mahua Nandy Pal   +2 more
wiley   +1 more source

Ising Machine Approach to the Lecturer–Student Assignment Problem

open access: yesIEEE Access
Ising machines are efficient solvers for combinatorial optimization problems (COPs). After mapping COPs to Quadratic Unconstrained Binary Optimization (QUBO) problems, Ising machines search for the lowest energy solution of the QUBO corresponding to the ...
Sora Tomita   +2 more
doaj   +1 more source

Software Defect Prediction With Quantum‐Inspired Feature Selection

open access: yesApplied Computational Intelligence and Soft Computing, Volume 2026, Issue 1, 2026.
Accurate software defect prediction is crucial for reducing maintenance costs and improving system reliability. Effective feature selection ensures that models focus on the most informative metrics while avoiding overfitting and excessive complexity. We introduce a quantum‐inspired evolutionary algorithm (QIEA) that encodes candidate feature subsets ...
Mohammad Salah Uddin   +1 more
wiley   +1 more source

Study on Quantum Approximation Optimization Algorithm in Airport Cargo Transportation Problem

open access: yesJournal of Advanced Transportation, Volume 2026, Issue 1, 2026.
The vehicle routing problem (VRP) is a core NP‐hard combinatorial optimization problem in logistics and supply chain management. Quantum computing, particularly the Quantum Approximate Optimization Algorithm (QAOA), is being explored as a promising heuristic tool for tackling such problems.
Xudong Zhao   +4 more
wiley   +1 more source

QUBO Formulation of the Pickup and Delivery Problem with Time Windows for Quantum Annealing

open access: yesApplied Sciences
This paper addresses the Pickup and Delivery Problem with Time Windows (PDPTW), an NP-hard combinatorial optimization problem with major practical relevance in logistics and transportation.
Cosmin Ștefan Curuliuc, Florin Leon
doaj   +1 more source

Enhancing Quantum Approximate Optimization Algorithm Through Manifold Optimization

open access: yesQuantum Engineering, Volume 2026, Issue 1, 2026.
We propose the models of Riemannian manifold optimization techniques to enhance the performance of the quantum approximate optimization algorithm (QAOA) for combinatorial optimization problems on near‐term quantum devices. The approach leverages the intrinsic geometric structure of the problem domain, addressing the nonconvexity of the QAOA objective ...
Qingqing Yu   +3 more
wiley   +1 more source

Towards arbitrary QUBO optimization: analysis of classical and quantum-activated feedforward neural networks

open access: yesMachine Learning: Science and Technology
Quadratic unconstrained binary optimization (QUBO) is at the heart of many industries and academic fields such as logistics, supply chain, finance, pharmaceutical science, chemistry, IT, and energy sectors, among others (Bangert 2012 Optimization for ...
Chia-Tso Lai   +3 more
doaj   +1 more source

RinQ: Towards predicting central sites in proteins on current quantum computers

open access: yesMaterials Today Quantum
We introduce RinQ, a hybrid quantum–classical framework for identifying functionally critical residues in proteins by formulating centrality detection as a Quadratic Unconstrained Binary Optimization (QUBO) problem.
Shah Ishmam Mohtashim
doaj   +1 more source

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