## 3 Reclassification of Emergency Messages Dissemination Approaches
### Model System for PhEMS4 VN
\begin{table}
\begin{tabular}{c c} \hline Internal Events’ Mobile Processes \(fp_{g}\) & Description \\ \hline \(FDec(mess_{k}(inc_{k}^{p}))\) &
\begin{tabular}{c} Decapsulate incident from message acquired \\ Generate pheromone message to \\ be notified \\ Countdown timer start or restart for \\ indicated pheromone \\ Update intensity in pheromone with timer \\ Countdown timer end for \\ indicated pheromone \\ Termination of indicated pheromone \\ \end{tabular} \\ \hline External Events’ Fixed Processes \(fp_{g}\) & Description \\ \hline \(Acq(mess_{k}(inc_{k}^{p}))\) & Acquisition of incident message \\ \(Ntf(mess_{g}(\phi_{g}^{k,p}))\) & Notify pheromone \\ \hline \end{tabular}
\end{table} 
Table 6: Event definition for fixed processes. \begin{table}
\begin{tabular}{c c c} \hline \hline
**Set, Tuple,** & & \\
**Interval or** & **Elements, Entries or Limits** & **Description** \\
**Variable** & & & \\ \hline \(\lambda_{7}^{g,k,p}\) & \(=\lambda_{\beta}^{g,k,p}+\delta t\) & \begin{tabular}{c} Periodical physical time(s) when the pheromone relative to \\ incident \((k,p)\) is going to expire after being started or \\ restarted by fixed entity \(g\) at time \(\lambda_{\beta}^{g,k,p}\) \\ Physical countdown timer that extends the lifetime of the \\ pheromone for \(te_{g}^{p}\) on \(fe_{g}\) & \((g,inc_{k}^{p},timer\_\phi(g,k,p),(t_{a},t_{b},...))\) \\ \(mess_{g}(\phi_{g}^{k,p})\) & \((g,inc_{k}^{p},timer\_\phi(g,k,p),(t_{a},t_{b},...))\) & \begin{tabular}{c} Periodical physical time(s) when the pheromone relative to \\ incident \((k,p)\) is going to expire after being started or \\ restarted by fixed entity \(g\) at time \(\lambda_{\beta}^{g,k,p}\) \\ Physical countdown timer that extends the lifetime of the \\ pheromone for \(te_{g}^{p}\) on \(fe_{g}\) \\ Intensity in subregions \(a,b,...\) computed with \(value\) of \\ \(timer\_\phi(g,k,p)\), normalized in interval \([0,1]\) \\ \(memos_{g}(\phi_{g}^{k,p})\) & \((g,inc_{k}^{p},timer\_\phi(g,k,p),(t_{a},t_{b},...))\) \\ \end{tabular} & \
\begin{tabular}{c} Periodical physical time(s) when the pheromone relative to \\ incident \((k,p)\) is going to expire after being started or \\ restarted by fixed entity \(g\) at time \(\lambda_{\beta}^{g,k,p}\) \\ Physical countdown timer that extends the lifetime of the \\ pheromone for \(te_{g}^{p}\) on \(fe_{g}\) \\ Intensity in subregions \(a,b,...\) computed with \(value\) of \\ \(timer\_\phi(g,k,p)\), normalized in interval \([0,1]\) \\ \(memos_{g}(\phi_{g}^{k,p})\) &
\begin{tabular}{c} Premonone message on \(fe_{g}\) containing the indicated incident \\ and intensities in subregions \\ \end{tabular} \\ \hline \hline \end{tabular}  
* \(St=0\), initial segregation; \(Stt=1\), subsequent segregation; \(Stt=2\), incident is external to the mobile entity \(k\)  
\end{table} 
Table 4: _Cont._ \begin{table}
\begin{tabular}{c c} \hline \hline Internal Events’ Mobile Processes \(mp_{k}\) & Description \\ \hline \(Crt(inc_{k}^{p})\) & Creation of incident \\ \(MGen(mess_{k}(inc_{k}^{p}))\) & Generate incident message to \\ \(MSt(inc_{k}^{p})\) & be segregated \\ Countdown timer start or restart for \\ indicated incident \\ \(Mdec(mess_{k}(\phi_{g}^{k,p}))\) & Intensities decapsulate from \\ consumed pheromone \\ \(MEn(inc_{k}^{p})\) & End of countdown timer for \\ indicated incident \\ \(MTrm(inc_{k}^{p})\) & Termination of indicated incident \\ \hline External Events’ Mobile Processes \(mp_{k}\) & Description \\ \hline \(Seg(mess_{k}(inc_{k}^{p}))\) & Segregate message of incident \\ \(Con(\phi_{g}^{k,p})\) & Consume pheromone \\ \(Act(\phi_{g}^{k,p})\) & Action after consuming pheromone \\ \hline \hline \end{tabular}
\end{table} 
Table 5: Event definition for mobile processes. In the same line, we specify the respective algorithms for the mobile entity that provokes the incident, the RSU that acquires and notify pheromones, and the mobile entities that consume the pheromone messages in Algorithms 1-3.