Algorithmic issue: determining “user sessions”

Question

I\'ve got a real little interesting (at least to me) problem to solve (and, no, it is not homework). It is equivalent to this: you need to determine \"sessions\" and \"sessions

Answer 1

I am not aware of a name for your problem or a name for the solution that you found. But your solution is (more or less) the solution I would propose. I think it's the best solution for that kind of problem.

If your data is at least somewhat ordered, you might find a slightly better solution by taking this ordering into account. E.g. your data could be ordered by date but not by time. Then, you would separate individual dates.