Complex event processing
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Complex Event Processing. Kenny Inthirath. Event-Driven Applications. Event-Driven Applications High numbers of events Low latency Real-time Opposed to program-driven applications Fairly Linear Batch Jobs Taking in a stream of inputs Processing a conclusion.

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Complex Event Processing

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Complex event processing

Complex Event Processing

Kenny Inthirath


Event driven applications

Event-Driven Applications

  • Event-Driven Applications

    • High numbers of events

    • Low latency

    • Real-time

    • Opposed to program-driven applications

      • Fairly Linear

      • Batch Jobs

    • Taking in a stream of inputs

      • Processing a conclusion


Program driven vs event driven

Program-driven vs event-driven


Complex events

Complex Events

  • Complex Event

    • Represents a set of other events

    • That could lead to an opportunity or threat

  • Complex Event Processing

    • Combining multiple data sources

      • Trying to determine meaningful patterns/workflow

      • Analyze in (near) real-time streaming

  • Goal of Complex Event Processing

    • Identifying opportunities or threats quickly

      • Responding to minimize or maximize outcomes


  • Weather forecast workflow

    Weather forecast Workflow


    Complex event processing techniques

    Complex event Processing techniques

    • Pattern detection

    • Abstraction

    • Filtering

    • Aggregation and transformation

    • Modeling hierarchies

    • Detecting relationships


    Aggregation detection processing

    Aggregation + detection processing

    • Aggregation

      • Continually collect data and process results

        • Example

          • Continuously process some average

  • Detection

    • Detecting combination of events

      • Looking for specific sequences

  • Most apps use a hybrid approach of both.


  • Roots

    Roots

    • Discrete event simulation

    • Active databases

    • Research projects in the 90’s

    • Related Concepts

    • Operational Intelligence

      • Query analysis to provide live, processed data feeds

  • Inference Engines

    • Rule-based reasoning

      • Artificial Intelligence


  • Business awareness technological

    Business awareness + technological

    • Business Process Management

      • Complex Event Processing exists at two levels

        • Business Awareness

          • Users understand pros/cons of individual processes

        • Technological

          • Technical analysis

          • Results fed to business

            • Helps business make appropriate choices

  • Online Advertising Example

    • Determine the stream of clicks/interactions of ads

    • Relay information to business

      • Decide which ads works


  • Commercial products

    Commercial products

    • For application development

    • Microsoft StreamInsight

      • High-throughput

  • Oracle Complex Event Processing

    • Filter, correlate, process

  • ESPER

    • Filter, analyze in real-time

  • TibcoStreamBase

    • Identify opportunities and remediate threats


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