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Comparison of IPC and USPC classification systems in patent prior art searches

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References

2010Overview of the Patent Mining Task at the NTCIR-8 Workshop61 cited

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2017Consistency and Trends of Technological Innovations: A Network Approach to the International Patent Classification Data6 cited
2016An Algorithmic Links with Probabilitiess Crosswalk for USPC and CPC Patent Classifications with an Application Towards Industrial Technology Composition5 cited

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