Gilad Lotan, News Xchange 2014, Algorithmic Power

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Gilad Lotan | @gilgul Chief Data Scientist, betaworks

Transcript of Gilad Lotan, News Xchange 2014, Algorithmic Power

Gilad Lotan | @gilgul Chief Data Scientist, betaworks

UNWRA School Shooting

UNWRA School Shooting

UNWRA School Shooting

Homophily

Algorithmic Ranking

An algorithm is…

•  Series  of  steps  taken  to  solve  a  par0cular  problem  

•  Given  an  input,  provides  an  output  

•  Iden0fy  popular  concepts  •  Find  groups  of  similar  items  •  Detect  outliers  

Collaborative Filtering

likes  likes  A   B  

Trending Topic: Items that display abnormally high shares in a relatively short time period

Term Frequency Inverse Document Frequency (TFIDF)

#OccupyWallStreet  Never  Trends  in  New  York  

“News will find me”

Thank  You    

[email protected]  |  @gilgul