Optimizing Spaced Repetition Schedule by Capturing the Dynamics of Memory
The dataset is available on Dataverse (1.6 GB). This is a 7zipped TSV file containing our experiments' 220 million MaiMemo student memory behavior logs.
The columns are as follows:
u - student user ID who reviewed the word (anonymized)
w - spelling of the word
i - total times the user has reviewed the word
d - difficulty of the word
t_history - interval sequence of the historic reviews
r_history - recall sequence of the historic reviews
delta_t - time elapsed from the last review
r - result of the review
p_recall - probability of recall
total_cnt - number of users who did the same memory behavior