@InProceedings{bensasson_et_al:LIPIcs.ITCS.2019.12,
  author =	{Ben-Sasson, Eli and Saig, Eden},
  title =	{{The Complexity of User Retention}},
  booktitle =	{10th Innovations in Theoretical Computer Science Conference (ITCS 2019)},
  pages =	{12:1--12:30},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-095-8},
  ISSN =	{1868-8969},
  year =	{2019},
  volume =	{124},
  editor =	{Blum, Avrim},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ITCS.2019.12},
  URN =		{urn:nbn:de:0030-drops-101053},
  doi =		{10.4230/LIPIcs.ITCS.2019.12},
  annote =	{Keywords: retentive learning, retention complexity, information elicitation, proper scoring rules}
}