Regulating access to adult content (with privacy preservation)

Karen Renaud, Joseph Maguire

Research output: Contribution to conferenceProceedingpeer-review

5 Citations (Scopus)


In the physical world we have well-established mechanisms for keeping children out of adult-only areas. In the virtual world this is generally replaced by self declaration. Some service providers resort to using heavyweight identification mechanisms, judging adulthood as a side effect thereof. Collection of identification data arguably constitutes an unwarranted privacy invasion in this context, if carried out merely to perform adulthood estimation. This paper presents a mechanism that exploits the adult's more extensive exposure to public media, relying on the likelihood that they will be able to recall details if cued by a carefully chosen picture. We conducted an online study to gauge the viability of this scheme. With our prototype we were able to predict that the user was a child 99% of the time. Unfortunately the scheme also misclassified too many adults. We discuss our results and suggest directions for future research.
Original languageEnglish
Number of pages10
Publication statusPublished - 18 Apr 2015
Event33rd Annual CHI Conference on Human Factors in Computing Systems, CHI 2015 - Seoul , Korea, Republic of
Duration: 18 Apr 201523 Apr 2015


Conference33rd Annual CHI Conference on Human Factors in Computing Systems, CHI 2015
Abbreviated titleCHI 2015
Country/TerritoryKorea, Republic of


  • human centered computing
  • human computer interaction
  • adult content
  • identification data


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