In the United Kingdom, for example, postwar policy involved a sequence of "stop-go" moves by government for stabilization; unfortunately these often occurred too late and had unintended destabilizing effects.
"Years later, I've ridden the same sequence of stops routinely," Mr. Lethem wrote in an e-mail.
Wearing one allows subway riders an easy, and discreet, way of checking the sequence of stops — it takes only a glance at your wrist.
Stop-point photographs were labeled with a letter A H, which was randomly assigned so that the letter sequence did not correspond with the route sequence of stop-points.
implying that the sequence of stopping times τ U is increasing.
In order to do so, we convert the raw GPS locations into a sequence of stops at places.
To express this formally, we consider the sequence of stops (s_{1}, s_{2}, s_{3}, ldots, s_{n}) for each user.
The prediction task can now be re-formulated as follows: given a sequence of stops up to step n, can we predict your next place at step (n+1)?
The process described above converts the raw location history into a sequence of stops at places (Additional file 1 Figures 4 and 5).
In its simplest version, a Pedibus line is a sequence of stops starting from a child home, visiting a sequence of other children's home, and ending at the school.
where H n is an increasing sequence of stopping times with H0=0, and the mapping (t,x ↦v n ((t 1,x 1),⋯, t n,x n );t,x) is in C 1,2.
