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Neo4j GraphTalk Oslo - Graph Analytics at DNB
1. Graph Analytics
at DNB
Exploring the frontiers of Advanced
Analytics with the help of Network
Analysis and Neo4J
Aiko Yamashita, PhD.
Data Scientist
Center of Excellence in Advanced Analytics
11. A ring of N people (N≥2) sharing M elements
of data (such as name, date of birth, phone number,
address, account number, company id, tax id, etc.) can
create up to NM synthetic identities, where each
synthetic identity is linked to
M × (N-1)other nodes, for a total of:
NORMAL QUERIES IN SQL ARE
UNSUSTAINABLE IF THE COMPLEXITY IN
RELATION EXPLODES!
12. A ring of N people (N≥2) sharing M elements
of data (such as name, date of birth, phone number,
address, account number, company id, tax id, etc.) can
create up to NM synthetic identities, where each
synthetic identity is linked to
M × (N-1)other nodes, for a total of:
NORMAL QUERIES IN SQL ARE
UNSUSTAINABLE IF THE COMPLEXITY IN
RELATION EXPLODES!
(NM × M × (N-1) ) / 2 relationships
13. NORMAL QUERIES IN SQL ARE
UNSUSTAINABLE IF THE COMPLEXITY IN
RELATION EXPLODES!
2187 Nodes
19 683 Relations
14. SELECT DISTINCT co_owner.name
FROM person AS capo
JOIN prop AS prop1 ON prop1.person_id = capo.id
JOIN prop AS prop2 ON prop2.company_id =
prop1.company_id
JOIN …
JOIN …
JOIN …
JOIN …
JOIN …
JOIN …
JOIN …
JOIN …
JOIN person AS co_owner
ON prop2.person_id = co_owner.id AND co_owner.id <>
capo.id
WHERE person.name = 'Pablo Escobar';
18. We predict default probability for
node based on neighbors..
We calculate a edge weight via
tanh or mutual information rate
We use a Normalization factor
We complement this score with
accounting-related variables
20. MATCH (p:Company)
WITH p, SIZE((p)-[:BOARD]->())
as cnt
ORDER BY cnt DESC LIMIT 5
MATCH (p)-[:BOARD]->(c)RETURN p,
c, cnt;
WHO ARE THE PEOPLE
WHO SIT IN MOST
STEERING BOARDS?
21. WHO IS A TOP
INFLUENCER IN THE
NETWORK?
Closeness centrality,
PageRank, Centroids