Kelly Rivers, Kenneth R. Koedinger. Data-Driven Hint Generation in Vast Solution Spaces: a Self-Improving Python Programming Tutor. I. J. Artificial Intelligence in Education, 27(1):37-64, 2017. [doi]
@article{RiversK17,
title = {Data-Driven Hint Generation in Vast Solution Spaces: a Self-Improving Python Programming Tutor},
author = {Kelly Rivers and Kenneth R. Koedinger},
year = {2017},
doi = {10.1007/s40593-015-0070-z},
url = {http://dx.doi.org/10.1007/s40593-015-0070-z},
researchr = {https://researchr.org/publication/RiversK17},
cites = {0},
citedby = {0},
journal = {I. J. Artificial Intelligence in Education},
volume = {27},
number = {1},
pages = {37-64},
}