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Insight demo

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Insight demo Insight demo Presentation Transcript

  • TwiNews: Detect local user interests in Twitter to re- rank news Xin Shuai Tuesday, October 8, 2013
  • Tuesday, October 8, 2013
  • Tuesday, October 8, 2013
  • Top ranked news may not satisfy all users from different geographical locations! Tuesday, October 8, 2013
  • Not relevant to China! Tuesday, October 8, 2013
  • Word Closeness Local User Interests Tuesday, October 8, 2013
  • How to detect the local user interests given a news query? Tuesday, October 8, 2013
  • How to detect the local user interests given a news query? Tuesday, October 8, 2013
  • Tuesday, October 8, 2013
  • Tuesday, October 8, 2013
  • Can we provide localized news ranking for users by leveraging geographical tweets? Tuesday, October 8, 2013
  • Tuesday, October 8, 2013
  • LDA topic model topic 1 technology: mobile iphone facebook topic 2 economy: market stock investor Tuesday, October 8, 2013
  • LDA topic model topic 1 technology: mobile iphone facebook topic 2 economy: market stock investor tweet 1 tweet 2 tweet n topic 1 topic 2 Tuesday, October 8, 2013
  • LDA topic model topic 1 technology: mobile iphone facebook topic 2 economy: market stock investor tweet 1 tweet 2 tweet n topic 1 topic 2 local topical distribution + + + technology (topic 1) Tuesday, October 8, 2013
  • LDA topic model topic 1 technology: mobile iphone facebook topic 2 economy: market stock investor tweet 1 tweet 2 tweet n topic 1 topic 2 local topical distribution + + + technology (topic 1) Tuesday, October 8, 2013
  • LDA topic model topic 1 technology: mobile iphone facebook topic 2 economy: market stock investor tweet 1 tweet 2 tweet n topic 1 topic 2 news 1 news 2 news 3 technology (topic 1) local topical distribution + + + technology (topic 1) Tuesday, October 8, 2013
  • LDA topic model topic 1 technology: mobile iphone facebook topic 2 economy: market stock investor tweet 1 tweet 2 tweet n topic 1 topic 2 news 1 news 2 news 3 technology (topic 1) local topical distribution + + + technology (topic 1) cosine similarity cosine similarity cosine similarity Tuesday, October 8, 2013
  • A/B Testing TwiNews 30 queries, 2 weeks 100 turkers from CA & NY +3% +7% t-test: p < 0.05 A B Tuesday, October 8, 2013
  • GibbsLDA++ Tuesday, October 8, 2013
  • localized news ranking localized user interests from Twitter Tuesday, October 8, 2013
  • localized news ranking localized targeted advertising localized user interests from Twitter Tuesday, October 8, 2013
  • localized news ranking localized targeted advertising localized deal recommendation localized user interests from Twitter Tuesday, October 8, 2013
  • localized news ranking localized targeted advertising localized deal recommendation localized user interests from Twitter localized music/movie recommendation Tuesday, October 8, 2013
  • Xin Shuai Tuesday, October 8, 2013
  • LDA topic modeling LDA (Latent Dirichlet Allocation) Tuesday, October 8, 2013
  • LDA topic modeling LDA (Latent Dirichlet Allocation) topic 1: mobile iphone facebook ipad topic 2: market stock index investor topic 3: .... .... .... Tuesday, October 8, 2013
  • Amazon Mechanical Turk Price: eleven cents/HITS Total Cost: over 200 dollars Tuesday, October 8, 2013
  • Tuesday, October 8, 2013
  • Tuesday, October 8, 2013
  • Tuesday, October 8, 2013
  • Tuesday, October 8, 2013