Tutorial in DEBS 2008 - Event Processing Patterns

IBM Haifa Research Lab – Event Processing

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© 2008IBM Corporation


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IBM Haifa Research Lab – Event Processing © 2008 IBM Corporation


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Event Event Business Services & State
Producer Sensors Processes Applications Machines

Event Monitoring and Analytic Infrastructure
Event Consolidator

Event Security Services

Event Flow
Event
Event Bus
Processing
Network
Event Handler

Event Event Business Services & State
Consumer Actuators Processes Applications Machines

Three major building blocks:
• Event Producers,
• Event Processing Network
• Event Consumers


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Consumers
Producers Agents

Detect Pattern

Enrich

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If a customer sends three requests within three hours on the same topic and
the first two requests have been handled, notify immediately to the “unhappy
customers officer” and include count of “unhappy” detections for this customer
in the last year


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Consumers
Producers Agents

3 Detect Pattern

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If a customer sends three requests over the last day on the same topic and the
requests have been handled, notify immediately to the “unhappy customers
officer” and include count of “unhappy” detections for this customer in the last
year


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Event-Id Time-Stamp Quote Volume
$% )quot; E1 9:00 33.23
E2 9:10 33.04 320,000
E3 9:20 33.11 280,000
E4 9:30 33.01 400,000
* # E5 9:40 32.90 315,000
# E6 9:50 33.04 320,000
E7 10:00 33.20 303,000
+%% %%% + , E8 10:10 33.33 219,000
E9 10:20 33.11 301,000
E10 10:40 33.00 210,000
& # + E11 10:50 32.78 400,000
-quot; E12 11:00 32.70 176,000

How many times the trade programming is triggered ;
Which arguments are used in each triggering?



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Customer John Galt &

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When More than 50% Stock
quotes

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BMC, EMC, CA, 1
symbol from the list HP, CHKP E

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Apply program 70
trade
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