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by ComNik 2621 days ago
Additional time axes allow you to separate transactions from different sources of input. E.g. in a collaborative system it could be helpful to ask questions while rewinding the actions of a particular user.

But a different question is whether the system can do something useful for you with first-class time co-ordinates, compared to just stuffing additional timestamps into your data. (something useful being clever indexing, compaction, maybe more?)