@conference {law_aaai11,
	title = {Towards Large-Scale Collaborative Planning: Answering High-Level Search Queries Using Human Computation},
	booktitle = {Proceedings of the ACM Symposium on User Interface Software and Technology (UIST {\textquoteright}11)},
	year = {2011},
	url = {http://econcs.seas.harvard.edu/files/econcs/files/law_aaai11.pdf},
	author = {Edith Law and Haoqi Zhang}
}
