State of RecSys     Recap of the 2012 ACM Conference on           Recommender Systems                                     ...
BackgroundWorkshops etc.● SIGIR 99, 01● ECAI 06● Recommenders Summer School @ Strands 06 "1st RecSys"ACM Conference on Rec...
Background cntd"Break" point - 2006
What?             Who?8 Workshops       Netflix4 Tutorials       LinkedIn      33% industry2 Keynotes        Foursquare4 I...
Topics (selection)Human Factors                     Optimization, Accuracy, InteractionSocialPreferenceContextBig Data    ...
Topics                       Control, Trends, Social Networks/FeedsHuman FactorsSocialPreferenceContextBig Data           ...
Topics                      Implicit Feedback, Noisy ratings, RankingHuman FactorsSocialPreferenceContextBig DataEvaluatio...
Topics                    Cold start, semantic analysis, quality assessmentHuman FactorsSocialPreferenceContextBig Data   ...
Big data, frameworks, algorithms, cost, requirements                                                                      ...
Big data, frameworks, algorithms, cost, requirementsTopicsHuman FactorsSocialPreferenceContext                            ...
Big data, frameworks, algorithms, cost, requirementsTopicsHuman FactorsSocialPreferenceContext                            ...
Big data, frameworks, algorithms, cost, requirements                                                                      ...
Topics          top-n, popularity, user-centricity, experiments                                                       @ron...
Topics          top-n, popularity, user-centricity, experiments                                                           ...
Popular vs. Unpopular topicsUser-centricity   Rating predictionRanking           TaggingBig Data          (Movies)Real Sys...
RecSys 2013Website:http://recsys.hosting.acm.orgDeadlines:Probably April 2013
on twitter                                                      @recsyswiki               @danielequercia                 ...
Thanks!Questions?
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State of RecSys: Recap of RecSys 2012

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Recap of some of the papers and presentations at RecSys 2012. Given at the Berlin RecSys Meetup

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State of RecSys: Recap of RecSys 2012

  1. 1. State of RecSys Recap of the 2012 ACM Conference on Recommender Systems October 23 2012@alansaid RecSys Meetup, Berlin
  2. 2. BackgroundWorkshops etc.● SIGIR 99, 01● ECAI 06● Recommenders Summer School @ Strands 06 "1st RecSys"ACM Conference on Recommender System07 - Minnesota 46%08 - Lausanne 31%09 - New York 43% 2013 - Hong Kong10 - Barcelona 19%11 - Chicago 20% October 12 - 1612 - Dublin 20%
  3. 3. Background cntd"Break" point - 2006
  4. 4. What? Who?8 Workshops Netflix4 Tutorials LinkedIn 33% industry2 Keynotes Foursquare4 Invited Talks StumbleUpon24 Papers Facebook21 Posters Yahoo!10 Demos Microsoft2 Challenges The Echo Nest Academia
  5. 5. Topics (selection)Human Factors Optimization, Accuracy, InteractionSocialPreferenceContextBig Data Rating effort vs. AccuracyEvaluation Cremonesi et al. http://dx.doi.org/10.1145/2365952.2365963
  6. 6. Topics Control, Trends, Social Networks/FeedsHuman FactorsSocialPreferenceContextBig Data Inspectability and Control in Social RecommendersEvaluation Knijnenburg et al. http://dx.doi.org/10.1145/2365952.2365966 http://www.slideshare.net/usabart/inspectability-and-control-in-social-recommenders
  7. 7. Topics Implicit Feedback, Noisy ratings, RankingHuman FactorsSocialPreferenceContextBig DataEvaluation How Many Bits Per Rating? Kluver et al. http://dx.doi.org/10.1145/2365952.2365974 https://www.dropbox.com/sh/e6l0tmdwrsgyhpi/wXw4GfhcNx/presentation.pdf
  8. 8. Topics Cold start, semantic analysis, quality assessmentHuman FactorsSocialPreferenceContextBig Data Finding a needle in a haystack of reviewsEvaluation Levi et al. http://dx.doi.org/10.1145/2365952.2365977 http://www.slideshare.net/OssiMokryn/cold-start-context-aware-hotel-recommender-system
  9. 9. Big data, frameworks, algorithms, cost, requirements @_krisjackTopicsHuman FactorsSocialPreferenceContext http://www.slideshare.net/KrisJack/mendeley-suggest-engineering-a-personalised-article-recommender- system @xamatBig Data @kamikaze_bhasinEvaluation @plamere Approaches used and problems faced
  10. 10. Big data, frameworks, algorithms, cost, requirementsTopicsHuman FactorsSocialPreferenceContext @xamatBig Data http://www.slideshare.net/xamat/building-largescale-realworld-recommender-systems-recsys2012-tutorialEvaluation @plamere Approaches used and problems faced
  11. 11. Big data, frameworks, algorithms, cost, requirementsTopicsHuman FactorsSocialPreferenceContext @xamatBig Data @kamikaze_bhasinEvaluation http://www.slideshare.net/anmolbhasin/beyond-ratings-andfollowers-recsys-2012 Approaches used and problems faced
  12. 12. Big data, frameworks, algorithms, cost, requirements @_krisjackTopics http://www.slideshare.net/KrisJack/mendeley-suggest-engineering-a-personalised-article-recommender- systemHuman Factorshttp://www.slideshare.net/xamat/building-largescale-realworld-recommender-systems-recsys2012-tutorial http://www.slideshare.net/anmolbhasin/beyond-ratings-andfollowers-recsys-2012SocialPreferenceContext @xamatBig Data @kamikaze_bhasinEvaluation @plamere Approaches used and problems faced http://www.slideshare.net/plamere/ive-got-10-million-songs-in-my-pocket-now-what
  13. 13. Topics top-n, popularity, user-centricity, experiments @ronnykHuman Factors Ranking Rating predictionSocialPreferenceContextBig DataEvaluation Online Controlled Experiments Kohavi
  14. 14. Topics top-n, popularity, user-centricity, experiments @ronnykHuman Factors Ranking Rating predictionSocialPreferenceContextBig DataEvaluation Online Controlled Experiments Kohavi http://www.exp-platform.com/Pages/2012RecSys.aspx
  15. 15. Popular vs. Unpopular topicsUser-centricity Rating predictionRanking TaggingBig Data (Movies)Real SystemsLive EvaluationQuality of data
  16. 16. RecSys 2013Website:http://recsys.hosting.acm.orgDeadlines:Probably April 2013
  17. 17. on twitter @recsyswiki @danielequercia Recommender Systems Wiki Cambridge @xamat Netflix @neal_lathia @plamere Cambridge The Echo Nest @dtunkelang LinkedIn @abellogin UAM @usabart #recsys @recsysde German RecSys stuff UC Irvine @peterpawas @elehack Pitt. @_krisjack @LenskitRS Mendeley @zenogantner @MyMediaLite @alexk_z @denisparra Telefonica R&D Pitt. @ocelma Gracenote
  18. 18. Thanks!Questions?
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