Temporal Reasoning & Bi-Temporal Modeling¶
How does it survive time, scale, multiplicity, and scrutiny?
Module 1 of 9 in Time, Scale, Multiplicity, Trust · 5 lessons · about 4.1 hours
45. Two Clocks · ~45 min
Audit which of the two clocks is actually running; four instants, not two.
46. Validity Intervals · ~50 min
Separate when a fact was true from when it was believed, and query both.
47. Three Temporal Questions · ~50 min
Route the three temporal questions, and release every filter that assumed now.
48. Resolving 'Last Week' · ~50 min
Four classes of relative reference, and the one you must not resolve.
49. Temporal Knowledge Graphs · ~50 min
Cascade invalidation through the derivation graph -- the one that actually has edges.