Lai Zheng Wei Wei Ming Cai Eliciting User Needs of Intelligent Transportation Systems in the Context of Autonomous Driving: An Application of Activity Theory. 755-760 2022 ITSC https://doi.org/10.1109/ITSC55140.2022.9921987 conf/itsc/2022 db/conf/itsc/itsc2022.html#ZhengWC22