Practice demofri
10
Bursting the Bubble Nancy Ru
Transcript of Practice demofri
Bursting the Bubble
Nancy Ru
I read news articles that agree with me.
What is the rest of the country reading?
Bursting the Bubble recommends news articles from outside my
bubble.
Scrape data from bit.ly
Top trending articles in past 48 hours: aggregated data
California: Favorite article for Obamacare
Location distribution: 19% California, 12% New York…
California: Top dissimilar article for Obamacare
Location distribution: 25% Georgia, 13% Florida…
Recommendation System
• Compute item-based similarity based on location distribution by state• Pick seed: article with highest percent clicks in state• Recommend articles with lowest similarity scores with respect to seed article
Nancy Ru, Ph.D.
