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Keepr Algorithm for Extracting Entities, Eyewitnesses and Amplifiers Hong Qu September 19, 2013
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KeeprAlgorithm for Extracting Entities, Eyewitnesses and Amplifiers
Hong QuSeptember 19, 2013
http://twitpic.com/135xahttps://twitter.com/jkrums/status/1121915133
http://www.telegraph.co.uk/technology/twitter/4269765/New-York-plane-crash-Twitter-breaks-the-news-again.html
http://www2.sims.berkeley.edu/courses/is290-2/f04/sched.html
https://twitter.com/hqu/status/1745171763
Humans vs Machines
Pattern RecognitionValue Judgment
Computers count really, really fast!
What is a Tweet?
140 characters:● words● @user mentions● #hashtags● links
Hows does Keepr process tweets?
140 character * 100 tweets = 14,000 characters
❏ Parse it❏ Count it❏ Visualize it❏ Zoom in❏ Archive it
https://canvas.instructure.com/courses/812708/assignments/syllabus
Natural Language Processing
Humans are way better at at making value judgements and telling stories
Social media and the Boston bombings: When citizens and journalists cover the same story
Keepr’s Algorithm➔ Entity extraction
◆ Topics
➔ Media extraction◆ images, videos
➔ Link expansion◆ articles
➔ Conversation analysis◆ @ mentions
◆ source discovery
◆ amplification velocity
➔ Source verification◆ geo-location
◆ social media profiles
Topic Extraction by Term Frequency
http://trimc-nlp.blogspot.com/2013/04/tfidf-with-google-n-grams-and-pos-tags.html
https://twitter.com/hqu/stawww.cs.cornell.edu/home/kleinber/bhs.pdftus/1745171763
Journalists want
❏ Source discovery and curation
❏ Passive monitoring and alerts
❏ Saving and archiving
❏ Visualizations
❏ Parity with TweetDeck user interface
People want
“I want to catch up with a summary of key information about the breaking news story.”
I want to get a list of Twitter accounts who are official organizations related to that story.
What’s next for keepr?
➔ refine algorithm➔ source classification➔ conversation analysis and visualization➔ archiving search results and tweets
Rolling out a Beta program for newsroomsSign up at www.keepr.com/beta
Verification Resources
● Verifying Social Media Content● verificationjunkie.tumblr.com● BBC processes for verifying social media content● Storyful’s validation process● InformaCam
