ChallP Zwischenpräsentation Gruppe 5

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    ChallP Zwischenpräsentation Gruppe 5 - Presentation Transcript

    1. Gruppe 5 — Ibex Mit frischer Luft und Sonne zum Sieg 30. Oktober 2009 1
    2. Das Team ✤ Léonie Fierz, Davos ✤ Corsin Camichel, Laax 2
    3. Netflix Recommender Framework ✤ C++ und Qt-Framework ✤ Out-of-the-Box support für das Netflix Datenset ✤ erweitert um Blending, Datum 3
    4. Lessons Learned ✤ Papers, Papers, Papers ✤ C++ extrem effizient mit grosser Datenmenge ✤ binary Filemapping, mühsam zum erweitern / verstehen ✤ Beinahe endlose Möglichkeiten für Algorithmen ✤ aber Zeit fehlt 4
    5. Algorithmen ✤ SlopeOne http://www.daniel-lemire.com/fr/abstracts/SDM2005.html ✤ SVD ✤ Bayesian ✤ Randomizer srand(1,5) ✤ kNN / Pearson ✤ Averages 5
    6. Algorithmus SlopeOne ✤ Collaborative Filtering Algorithmus ✤ Basiert auf der Differenz zwischen Ratings 6
    7. Submissions ✤ 21. Oktober: SlopeOne 0.9896435 7
    8. Aktuelle Probleme ✤ Zeit ✤ Blending starten ✤ Parallelisierung SVD 8
    9. Nächste Schritte ✤ Algorithmus mit Datum (SlopeOne) ✤ SVD++ / RBM ✤ Blending anwenden ✤ Weitere Submissions 9
    10. 10
    11. Over and Out So long and thanks for all the fish 42
    12. Zusammenfassung ✤ Team 5 “Ibex”: Léonie Fierz, Corsin Camichel ✤ Netflix Recommender Framework (C++ / Qt) ✤ Algorithmen: Average, Bayesian, SVD, kNN, SlopeOne, Randomizer ✤ SlopeOne Submission mit 0.9896435 am 21.10.2009 ✤ Parallelisierung schwer 12
    13. Quellennachweis ✤ Titelfoto: http://commons.wikimedia.org/wiki/File:Ibex.jpg ✤ Sad Icon: http://icons.mysitemyway.com/free-clipart-icons/1/sad-face-icon-style-2-id/17891/style-id/ 171/blue-jelly-icons/symbols-shapes/ ✤ Algorithmenverteilung: http://www.netflixprize.com/assets/NetflixPrizeKDD_to_appear.pdf (Netflix Inc.) ✤ Netflixprize Trophy: http://www.switched.com/2009/07/28/netflix-prize-winner-to-be-determined-by- fractions-of-a-point?icid=sphere_blogsmith_inpage_downloadsquad ✤ Steinbock: http://www.piqs.de/fotos/47228.html 13
    SlideShare Zeitgeist 2009

    + University of Applied Sciences, RapperswilUniversity of Applied Sciences, Rapperswil Nominate

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