Quantum circuit representation of Bayesian networks

作者：

Highlights：

• Systematic quantum circuit design to represent a generic discrete Bayesian network.

• Controlled rotation gates are used to represent conditional probability tables.

• Ancilla qubits are used to represent higher-order controlled rotation gates.

• Illustration using three Bayesian networks from financial industry.

摘要

•Systematic quantum circuit design to represent a generic discrete Bayesian network.•Controlled rotation gates are used to represent conditional probability tables.•Ancilla qubits are used to represent higher-order controlled rotation gates.•Illustration using three Bayesian networks from financial industry.

论文关键词：Bayesian network,Quantum,Circuit,Qiskit,Qubit,Finance

论文评审过程：Received 15 April 2020, Revised 31 July 2020, Accepted 19 February 2021, Available online 16 March 2021, Version of Record 4 April 2021.

论文官网地址：https://doi.org/10.1016/j.eswa.2021.114768