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Temporality Model

Explore how the AIXM Temporality Model incorporates time at the feature level, describing temporal changes and durations of features. Learn key assertions including temporal nature of features and time-varying properties. Discover the innovative Time Slice model and its applications, such as managing temporary events like digital NOTAMs. Dive deep into feature properties in relation to time extent and understand complex property changes with the concept of "DELTA." Visit www.aixm.aero for more insights.

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Temporality Model

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  1. Temporality Model • Definition • A model that incorporates the concept of time at feature level! • Key assertions • All features are temporal with start of life and end of life • Example, A new air traffic control sector • All features can change over time • Example, A VOR changes frequency • AIXM Temporality Model • Relates feature properties to the time extent in which they are valid • Provides various means to describe the time extent

  2. Features have time varying properties

  3. The basic Time Slice model

  4. The basic Time Slice model

  5. PERMDELTA TimeSlices

  6. Temporary events (digital NOTAM)

  7. Current status of a feature

  8. Temporality – something different

  9. AIXM Temporality document See www.aixm.aero

  10. Example – abstract Start of life

  11. Example - abstract Permanent Changes Attention: “DELTA” for complex properties (objects) – see section 3.4 “DELTA” for multi-occurring properties – see section 3.5

  12. Example - abstract Temporary change (NOTAM)

  13. Example - abstract End of life

  14. Properties with schedule

  15. An Example: Navaid frequency change AML Navaid undergoes an upgrade that changes its frequency from 112.0 MHz to 113.2 MHz…

  16. Questions?

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