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ATM Fraud Detection with Oracle Property Graphs

ATM Fraud Detection with Oracle Property Graphs

With a stream of ATM transactions in Apache Kafka, how to detect if a card has been cloned? Turn the stream into a property graph and use PGQL to detect possible frauds. Two challenges in one talk: streams to property graphs and fraud detection. Proving the power and flexibility of graph databases, the mandatory product in your Analytics toolbox!

Gianni Ceresa

October 08, 2019
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  1. Copyright © 2017, Oracle and/or its affiliates. All rights reserved.

    | bit.ly/OracleACEProgram 450+ Technical Experts Helping Peers Globally Nominate yourself or someone you know: acenomination.oracle.com
  2. edge edge label edge properties edge ID directed edge vertex

    (node) vertex properties vertex ID a vertex can have a label
  3. Every row of a table has a fixed, identical structure

    Connections at a table level (not row) Nodes and edges can have any number of properties Connections at a node level (can be seen as row level)
  4. Spain Italy John Doe Company A Company B Company C

    Company D Located in Located in Located in Located in Buys from Buys from Buys from Buys from Money laundering and VAT frauds Owns
  5. • • • • • • The presentation was a

    live demo, screenshots aren’t as explicit as seeing it…
  6. { "account_id": "a839", "timestamp": "2019-03-10 13:49:32 +0000", "atm": "24/7", "amount":

    20, "location": { "lat": "53.7835061", "lon": "-1.3794149" }, "transaction_id": "555aa4f6-433b-11e9-b9b9-0242ac140005" } Location of the ATM
  7. Kafka stream Property Graph A Java app consume the Kafka

    stream and update the graph with the new messages received.
  8. The UK set of ATMs used is a bit too

    sparse over a big area. Too many of the randomly generated transactions seem to be fraud.
  9. The UK set of ATMs used is a bit too

    sparse over a big area. Too many of the randomly generated transactions seem to be fraud.
  10. • • • • • • • more about graphs:

    Data Lineage Made Easy with Graph Database 14:50-15:20 | Sentosa 1 (the other room) UKOUG Techfest 2019, Dec 2019 in Brighton