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Event Processing Course

cburkett avatar
cburkett
18 diapositives · 218 Views · Jan 01, 2020

This lecture explores the concept of event processing and its potential role as the nervous system of a virtual living organism. It discusses the shift from narrow to wide applications, monolithic to diversified functions, proprietary to standard-based approaches, programmer-centered to semi-technical developer-centered, standalone to embedded systems, and reactive to proactive event processing. The lecture also highlights emerging directions such as multiple platforms, tailor-made optimizations, intelligent event processing, and inexact event processing.

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Event Processing Course
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  1. Event Processing Course Lecture 11 – Event processing of tomorrow (related to chapter 12)

  2. The grand challenge: Live Ecology Asimov’s Gaia is a single living organism that consists of an entire planet The Internet as a medium, with: Intelligent sensors actuators and processors can create such virtual living organism The brain is distributed Sensors can serve as eyes and ears, robots can serve as hands and feet Event processing will serve as the nervous system (and maybe other biological systems)

  3. Live Ecology – some examples: Alert to a driver: the person crossing the street now is an Alzheimer patient who apparently lost his way Decision on take-off and landing in the ash can be reduced to the individual aircraft (route, specific engine, RT ash density)

  4. Getting there: Evolution: through trends that are already occurring Emerging directions: advances in the state-of-the-art

  5. Evolution: Six trends to observe Going from narrow to wide • Going from monolithic to diversified Going from proprietary to standard-based Going from programmer centered to semi-technical developer Going from stand-alone to embedded Going from reactive to proactive

  6. Trend I: Going from narrow to wide Some recently reported applications (EPTS use-cases WG) • Border security radiation detection • Mobile asset geofence • Logistic and scheduling • Unauthorized use of heavy machinery • Hospital patient and asset tracking • Activity monitoring for taxing and fraud detection • Intelligent CRM in banking • EDA and asynchronous BPM in retail • Situation awareness in energy utilities • Situation awareness in airlines • Reduce cost in injection therapy • Next generation navigation • Real-time management of hazardous materials • Finding anomalies in point of sales in retail stores • Elderly behavior monitoring Source: ebizQ Event processing market pulse

  7. Trend I: Going from narrow to wide Taking event processing outside enterprise computing: Home Automation Robotics Bio-Informatics Socio-technical systems

  8. Trend II: Going from monolithic to diversified Variety of functions Variety of Quality of Service requirements: Variety of platforms “One size fits all” will not work – Instead a collection of building blocks that can fit together

  9. Trend III: Going from proprietary to standard-based – standard directions The current situation: Babylon tower: variety of languages, event representation… Serves as enabler to achieving other trends and general maturity The shift of vendors from start-up dominant to bigger companies makes the atmosphere more friendly towards standards. Areas for Standards: • Modeling • Event representation • Interoperability • Languages PIM

  10. Trend IV: Going from programmer centered to semi-technical person centered Source: ebizQ Event processing market pulse

  11. Trend V: Going from stand-alone toembedded Packaged applications Middleware and platforms Business Activity Monitoring Sensor Platform

  12. Trend VI: Going from reactive to proactive

  13. Emerging directions: Four directions to observe • Multiple platforms – same look and feel Tailor-made optimizations The engineering of constructing EP applications Adding intelligence to Event processing

  14. Emerging direction I: multiple platforms – same look and feel

  15. Emerging direction II: Tailor-made optimizations • Local optimizations: each EPA will be optimized for its own purpose / assumptions / QoS indicators – average/worst case latency, input/output throughput … • Global optimization: scheduling, load balancing, assignment… Global optimizations Producer EPA EPA Consumer EPA Producer EPA Consumer EPA Local optimizations

  16. Emerging direction III: Event processing software engineering Modeling & meta-modeling Methodologies Design Patterns Best practices

  17. Emerging direction IV: Intelligent event processing Offline and continuous mining of meaningful patterns in event histories Inexact event processing – handling inexact events and also false positives and false negatives Causality – a key for proactive, but also vital for provenance

  18. Summary • Event processing will be the “nervous system” of future human ecology. • It is already been used in certain domains, but barely scratched the surface. • Six trends and four directions have been presented