RecSys Challenge 2014 Workshop Introduction
•Download as PPTX, PDF•
4 likes•2,290 views
Slides introducing the RecSys 2014 Challenge workshop as presented at the RecSys 2014 conference on Oct 10, in Foster City (CA, USA) by Simon Dooms.
Recommended
Recommended
More Related Content
Similar to RecSys Challenge 2014 Workshop Introduction
Similar to RecSys Challenge 2014 Workshop Introduction (20)
More from Simon Dooms
More from Simon Dooms (8)
Recently uploaded
Recently uploaded (20)
RecSys Challenge 2014 Workshop Introduction
- 1. RecSys Challenge 2014 User Engagement as Evaluation Alan Said, Simon Dooms, Babak Loni, Domonkos Tikk @alansaid, @sidooms, @babak_loni, @domonkostikk @recsyschallenge
- 2. Today’s Program Welcome Analysis of the Challenge Presentations (4) Coffee Break Presentations (2) Poster Session Discussion & Closing Remarks ACM RecSys Challenge 2014 2 9:00-9:15 9:15-9:30 9:30-10:30 10:30-11:00 11:00-11:30 11:30-12:15 12:15-12:30
- 3. First, About Datasets • In the beginning there was MovieLens Good for analysis, experimentation, simulation, and seed data • Now: old, static, synthetic Less interesting for current day experiments • New dataset to fill the void: MovieTweetings Daily updated dataset of movie ratings extracted from IMDb ratings posted to Twitter Recent movies, growing, natural dataset ACM RecSys Challenge 2014 3
- 4. The Challenge • Why stop at ratings? • Tweets have much more information! • Focus on ‘user interaction’ • How can we predict user engagement? How does that benefit recsys? ACM RecSys Challenge 2014 4
- 5. MovieTweetings Extended • MovieTweetings dataset + Twitter metadata • +200,000 tweets (1 year, 24 days) ACM RecSys Challenge 2014 5
- 6. Some Numbers • 225 teams registered, from 50 countries 6 ACM RecSys Challenge 2014
- 7. Some Numbers • The dataset was downloaded 407 times 7 ACM RecSys Challenge 2014 More than the number of teams!
- 8. Some Numbers • 236 leaderboard updates by 36 teams • 18 papers submitted • 13 papers accepted • 7 presentations • 7 posters ACM RecSys Challenge 2014 8
- 9. RecSys Challenge 2014 Presentations
- 10. Leaderboard, The Results ACM RecSys Challenge 2014 10 1 2 3 4 5 6 7 8 9 10 11 12
- 11. RecSys Challenge 2014 Poster Session
- 12. Discussion • Are some ratings more important than others? • Which external data source was useful? • Which are the important features of the tweets? • What else can we do with this dataset? ACM RecSys Challenge 2014 12