Improving users' consistency when recalling location sharing preferences

Jayant Venkatanathan*, Denzil Ferreira, Michael Benisch, Jialiu Lin, Evangelos Karapanos, Vassilis Kostakos, Norman Sadeh, Eran Toch

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


This paper presents a study of the effect of one instance of contextual cues, trajectory reminders, on the recollection of location sharing preferences elicited using a retrospective protocol. Trajectory reminders are user interface elements that indicate for a particular location of a person's trail across a city the locations visited before and after. The results of the study show that reminding users where they have been before and after a specific visited location can elicit more consistent responses in terms of stated location sharing preferences for that location visit. This paper argues that trajectory reminders are useful when collecting preference data with retrospective protocols because they can improve the quality of the collected data.

Original languageEnglish
Title of host publicationHuman-Computer Interaction - INTERACT 2011 - 13th IFIP TC 13 International Conference, Proceedings
Number of pages8
EditionPART 1
StatePublished - 2011
Externally publishedYes
Event13th IFIP TC 13 International Conference on Human-Computer Interaction, INTERACT 2011 - Lisbon, Portugal
Duration: 5 Sep 20119 Sep 2011

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
NumberPART 1
Volume6946 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349


Conference13th IFIP TC 13 International Conference on Human-Computer Interaction, INTERACT 2011


  • Location sharing preferences
  • consistency
  • retrospective protocols


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