Shapley Valuation of Finite-Copy Quantum Data Depends on Physical Access
A preprint on arXiv introduces a Shapley-based framework for valuing finite-copy quantum data used in learning tasks. It contrasts quantum data with classical records, noting that quantum states are consumable physical systems and their readout is not a fixed reusable resource. The paper argues that the same supplied quantum states can have different learning value depending on the physical access protocol.
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What this could mean
- 0–2 yearsPlausible
This valuation framework could let early quantum data marketplaces price finite-copy quantum states in a way that reflects the physical access protocol, not just the state's abstract information content.
Because the paper establishes that the same states can carry different learning value depending on how they are measured or consumed, marketplaces and data-sharing agreements now have a formal basis to set access-dependent prices. Near-term quantum datasets are small and often held by a few labs, so a Shapley-style attribution could align incentives without needing large-scale fault tolerance.
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