Group recommendation in context

Alan Said, Shlomo Berkovsky, Ernesto W. De Luca

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

26 Citations (Scopus)


The 2011 Challenge on Context-Aware Movie Recommendation (CAMRa2011) was held in conjunction with the Fifth ACM Conference on Recommender Systems (RecSys2011). The challenge focused on group-based recommendation for households, as well as identification of household members who had rated specific movies. The participants were provided with anonymized datasets from a real world online movie recommendation community and competed against each other for obtaining the highest recommendation accuracy. Over 45 teams from 23 countries participated in the challenge. Their participation was summarized by the nine papers accepted to the CAMRa2011 workshop. This paper presents an overview of the tracks and datasets of CAMRa2011.
Original languageEnglish
Title of host publicationProceedings of the 2nd challenge on context-aware movie recommendation, CAMRa '11
Place of PublicationNew York
PublisherAssociation for Computing Machinery (ACM)
Number of pages3
ISBN (Electronic)9781450308250
Publication statusPublished - 2011
Externally publishedYes
Event2nd Challenge on Context-Aware Movie Recommendation, CAMRa '11 - Chicago, United States
Duration: 23 Oct 201127 Oct 2011


Conference2nd Challenge on Context-Aware Movie Recommendation, CAMRa '11
Country/TerritoryUnited States


  • Recommender systems
  • context-aware personalization
  • context modeling
  • group recommendations
  • movie recommendation
  • offline evaluation


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