Knowledge graphs and graph databases

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Uche Ogbuji

Introduction to knowledge graphs and lead-in to discussion of graph DBs at the 2019 Data Centric Conference

Technology

Knowledge
Graphs (& Graph
Databases)
Uche Ogbuji (@uogbuji)
Data Centric Conference 2019

Ǹdéwonu!
Uche Ogbuji
AI dev since early 90s
Data-centric since mid 90s
Freelance dev, architect &
writer. Let’s talk!
Twitter: @uogbuji
E-mail: uche@ogbuji.net
2

What is a Knowledge Graph (schema.org)
4

Google Assistant
Cortana
Alexa
Siri
6
Voice UIs

IBM Watson
DiffBot
Yext
e.g. vertical: Awake
Security
So many others
Industry
Use cases 7

Conversational UI KG experimentation (Best Buy)
8

Unstructured ➫ Identified ➫ Hypertext ➫ KG
9

Heard this one before?
Knowledge
representation
60s—70s—80s?
Conceptual
graphs
80s—90s
10
RDF
90s—
Linked Data
00s—
Semantic
networks
50s—60s
Knowledge
graphs
10s—

Expect magical thinking
▹ Dateline this week: BP invests $5M in
Belmont, AI startup
▹ Special knowledge graph tech to be fed
geo info, project histories etc.
▹ BlahBlah buzzword. ML. NLP.
CogComp.
Hey presto! targeting 10X speedups in
subsurface exploration
11

Triples (Quads,
really)?
or maybe
Labelled Property
Graph?
16
Sacred cow
burger?

Projection algebras?
or maybe
Paths?
17
Another
burger?

THANKS!
Questions? Discussion!
You can find me at:
@username
user@mail.me
18

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