Gilad Lotan | @gilgul Chief Data Scientist, betaworks
UNWRA School Shooting
UNWRA School Shooting
UNWRA School Shooting
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