H-ProtoRAG: A hierarchical prototype-based retrieval-augmented framework for multilingual CPC patent classification and prior-art retrieval.

@article{elmi-2026-hprotorag, author = {Zahra Elmi}, title = {{H-ProtoRAG: A hierarchical prototype-based retrieval-augmented framework for multilingual CPC patent classification and prior-art retrieval}}, journal = {Information Processing and Management}, volume = {63}, number = {7}, pages = {104861}, year = {2026}, url = {https://doi.org/10.1016/J.IPM.2026.104861}, doi = {https://doi.org/10.1016/J.IPM.2026.104861} }