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The Power of Connections
Dog
Lassie
owns likes
about
Reads &
likes
Collie
Is a
type of
about
Friends with
Books
Fiction
type of
User graph
Content
graph
Data
Knowledge
Apps
User activities
over time
User graph Content
graph
6
Data-Economics of Metabase
Economic incentive for creating
schemas & ontologies
Collaboratively created by
community
General web pages
Incentive for automated
(noisy) annotation
Textual & Statistical
semantics
7
MetaBase
NLP +
Machine
Learning
Web Table
processing
Ontology
induction,
merging &
mapping
Wikipedia
Metabase
Data
ingestion
pipeline
Wordnet,
SUMO, etc
IMDB,
LinkedIn…
Concept
Engine
Receive query Return results
in a graph
…
Applications
Metabase: Layered Ontologies
Person
Player
Soccer
Player
David Beckham
Lower Layer:
Hierarchy of
concepts
extracted from
Wikipedia
Middle Layer:
Concepts from
WordNet and
Wiktionary
Upper Layer:
from SUMO
Soccer
Team
Team
playsFor
playsFor
featureVector
Organization
playsFor
DateOfBirth
PlaceOfBirth
Height
A. C. Milan playsFor
Owner
Ground
owns
...
Text and Wikilinks Infobox
Tables
Sections
Categories
Metabase Statistics
SUMO 20K concepts, 70K axioms or rules
WordNet 147,306 Words, 117,659 Concepts, 990,149 facts
Wiktionary 236,258 Words, 197,866 Concepts, 236K synonym relations
Wikipedia 3.6M Entities, 60M facts, 305K category-WordNet links, 200M triples in feature graph
Data
Knowledge
Apps
User activities
over time
User graph Content
graph
