N-ary Gaussian Model Modeling Pointing Uncertainty Across Task Scenarios Using an Automated Multi-Gaussian Modeling Pipeline. - Hao Zhang 120; Yixiao Xiao; Yawen Zheng; Jin Huang 009; Xinan Yan; Xuning Hu; Nianlong Li; Huawei Tu; Feng Tian 001 (CHI, 2026)