Event Segment - Timed Language

Timed Language

The universal timed language over an event set and a time interval, is denoted by, and is defined as the set of all possible event segments. Formally,


\Omega_{Z,}=\{(z,t)^*| z \in Z \cup \{\epsilon\}, t \in \}

where denotes a none or multiple concatenation(s) of timed events. Notice that the number of events in an event segment \omega \in
\Omega_{Z,} can be one of zero, finite or infinite. Infinitely many events in an event segment \omega \in \Omega_{Z,[t_l,
t_u]} implies that, however t_u - t_l \rightarrow
\infty does not imply infinite many events in it.

A timed language over an event set and a timed interval is a set of event segments over and [t_l,
t_u]. If is a language over and, then L
\subseteq \Omega_{Z, }.

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