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Copyright Protection for Geographic Question-Answering Datasets via Tone-Driven Backdoor Watermarking
CHEN Weitong, XU Xin, WANG Shu, YANG Fei, ZHU Yunqiang, ZHAO Chen
Journal of Geo-information Science . 2026, (3): 623 -635 .  DOI: 10.12082/dqxxkx.2026.250608