@article{st. amant_lieberman_potter_zettlemoyer_2000, title={Visual generalization in programming by example}, volume={43}, DOI={10.1145/330534.330549}, number={3}, journal={Communications of the ACM}, author={St. Amant, R. and Lieberman, H. and Potter, R. and Zettlemoyer, L.}, year={2000}, pages={107–114} }