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How to Create Enterprise Data Warehouse Software
Yuliya Melnik
A knowledge graph is made up of three main components:
nodes, edges, and labels.
Any *object*, *place*, or *person* can be a **node**.
An **edge** defines the *relationship* between the nodes.
For example,
a node could be a client, like IBM, and an agency like, Ogilvy.
An edge would be categorize the relationship as a customer relationship between IBM and Ogilvy.
A represents the subject, B represents the predicate, C represents the object
What is a knowledge graph?
ibm.com
Here’s what the entity resolution query looks like:
I’m joining the table with itself on state + zipcode
to reduce the search space and
using string similarity thresholds
for filtering potential duplicates.
In entity resolution methodology this is known as “blocking.”
Fundamental Data Engineering Concepts - Part 2
Ergest Xheblati
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