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What is the Knowledge Graph?

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by

John Mihalik

on 22 January 2014

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Transcript of What is the Knowledge Graph?

What is a Knowledge Graph?
Inside the Knowledge Graph
A set of interconnected things linked by properties
Web 1.0: Hyperlinks
Hyperlinks just link to other pages
Each knowledge graph link conveys information via a "triple"
Blade Runner
perfromance
Movie
Blade Runner
released on
June 25, 1982
Blade Runner
directed by
Ridley Scott
Example Triples
Ridley Scott
directed
Alien
Alien
released on
January 1, 1979
Sigourney Weaver
starred in
Alien
Alien
genre
Science Fiction
Knowledge Graph Links
Convey Meaning
Semantic
Triples
What can you do with a knowledge graph?
Just the Facts
Just the Facts
Just the Facts
Blade Runner
Ridley Scott
What movie did Ridley Scott direct that starred Sigourney Weaver?
Sigourney Weaver
starred in
Alien
directed
Sigourney Weaver
starred in
Ghostbusters
Ivan Weltman
directed by
Ghostbusters
Recursive Inference Queries
Which cities with a population of less than 20,000 people in the state of MA voted Democrat in the 2008 election and voted Republican in the 2004 election?
What movies did Sigourney Weaver star in that are not science fiction and were released between 1990 and 2000?
How many playoff games did Payton Manning play in where he threw for 400 yards or more with no interceptions?
What does the future hold for knowledge graphs?
Domain specific knowledge graphs
Medical Data
Financial Data
Legal Data
Retail Data
And then it gets interesting...
What questions should I really be asking?
Connecting the dots...
Imagine a knowledge graph with 100 trillion connections...
100 Billion Neurons
Give or take a few billion..
Alien
Ridley Scott
directed by
Blade Runner
Harrison Ford
starred
Subject
Predicate
Object/Value
Subject -> Property -> Value
Full transcript