Privacy-preserved LLM Cascade via CoT-enhanced Policy Learning.

@inproceedings{zhang-2026-privacypreserved, author = {Kai Zhang and Congchao Wang and Liqian Peng and Alec Go and Xiaozhong Liu}, title = {{Privacy-preserved LLM Cascade via CoT-enhanced Policy Learning}}, booktitle = {{Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026}}, pages = {955--964}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3773966.3777920}, doi = {https://doi.org/10.1145/3773966.3777920} }