# A GIS-Based Hot and Cold Spots Detection Method by Extracting Emotions from Social Streams
## 4 Test and Results
All other municipalities belong to the pleasant relevance classes Medium or Medium low. The detailed results for the unpleasant emotion relevance are shown in Table 3, where the membership degrees to each fuzzy set are shown for each municipality. The municipalities of Afragola, Caivano, and Casoria belong to the unpleasant relevance class High, with membership degrees of 1.0, 1.0, and 0.9, respectively. The municipalities of Casandrino, Casavatore, and Melito di Napoli belong to the unpleasant relevance class Medium high with membership degrees of 0.8, 0.6, and 0.6, respectively. All other municipalities belong to the unpleasant relevance classes Medium or Medium low. The results in Tables 2 and 3, showing the pleasant and unpleasant emotion relevance assigned in 2020 to each municipality, highlight:  
* The presence of an urban area of greater comfort felt by the citizen, which includes the neighboring municipalities of Brusciano and Castello di Cisterna:
* A larger urban area that includes municipalities in the central strip where a greater discomfort felt by the citizens prevails; \begin{table}
\begin{tabular}{c l l} \hline \hline  & **Basic Emotions** & **Secondary Emotions** \\ \hline \multirow{4}{*}{Pleasant} & Expectation & Awe \\  & Joy & Love \\ \cline{2-3}  & Surprise & Optimism \\  & Trust & Content \\ \hline \multirow{4}{*}{Unpleasant} & Anger & Aggression \\  & Sadness & Disapproval \\ \cline{1-1}  & Disgust & Remorse \\ \cline{1-1}  & Fear & Submission \\ \hline \hline \end{tabular}
\end{table} 
Table 1: Pleasant and unpleasant emotional categories. Figure 6: Pleasant and unpleasant emotion relevance thematic maps in the year 2020. (**a**) Pleasant emotion relevance. (**b**) Unpleasant emotion relevance. Figure 7 shows the thematic maps of the pleasant (Figure 7a) and unpleasant (Figure 7b) emotion categories' relevance measured in 2021. The pleasant emotion relevance thematic map shows that in 2021 the municipalities of Brusciano and Castello di Cisterna are those in which pleasant emotional feelings prevailed, with the relevance of the pleasant emotion being Medium-high. The unpleasant emotion relevance thematic map shows that in 2021 the municipalities in which unpleasant emotions prevail are Caivano, Afragola, Casoria, and Casandrino, with High relevance, and Sant'Antimo, Melito di Napoli, Cardito, Frattamaggiore, Casavatoro, and Pomigliano d'Arco with Medium high relevance. \begin{table}
\begin{tabular}{l c c c c c c c c} \hline \hline
**Municipality** & **Very Low** & **Low** & **Medium Low** & **Medium** & **Medium High** & **High** & **Very High** & **Relevance** \\ \hline Acerra & 0.00 & 0.00 & 0.00 & 0.90 & 0.10 & 0.00 & 0.00 & Medium \\ Afragola & 0.00 & 0.40 & 0.60 & 0.00 & 0.00 & 0.00 & 0.00 & Medium low \\ Arzano & 0.00 & 0.00 & 0.20 & 0.80 & 0.00 & 0.00 & 0.00 & Medium \\
**Brusciano** & 0.00 & 0.00 & 0.00 & 0.30 & **0.70** & 0.00 & 0.00 & **Medium high** \\ Caivano & 0.00 & 0.30 & 0.70 & 0.00 & 0.00 & 0.00 & 0.00 & Medium low \\ Cardito & 0.00 & 0.00 & 0.10 & 0.90 & 0.00 & 0.00 & 0.00 & Medium \\ Casalnuovo di Napoli & 0.00 & 0.00 & 0.00 & 0.70 & 0.30 & 0.00 & 0.00 & Medium \\ Casandrino & 0.00 & 0.00 & 0.60 & 0.40 & 0.00 & 0.00 & 0.00 & Medium low \\ Casavatore & 0.00 & 0.00 & 0.30 & 0.70 & 0.00 & 0.00 & 0.00 & Medium \\ Casoria & 0.00 & 0.00 & 0.95 & 0.05 & 0.00 & 0.00 & 0.00 & Medium low \\
**Castello di Cisterna** & 0.00 & 0.00 & 0.00 & 0.00 & **0.70** & 0.30 & 0.00 & **Medium high** \\ Crispano & 0.00 & 0.00 & 0.00 & 0.60 & 0.40 & 0.00 & 0.00 & Medium \\ Frattamaggiore & 0.00 & 0.00 & 0.15 & 0.85 & 0.00 & 0.00 & 0.00 & Medium \\
**Frattaminore** & 0.00 & 0.00 & 0.00 & 0.50 & **0.50** & 0.00 & 0.00 & Medium \\ Grumo Nevano & 0.00 & 0.15 & 0.15 & 0.85 & 0.00 & 0.00 & 0.00 & Medium \\ Melito di Napoli & 0.00 & 0.30 & 0.30 & 0.70 & 0.00 & 0.00 & 0.00 & Medium \\ Pomigliano d’Arco & 0.00 & 0.20 & 0.20 & 0.80 & 0.00 & 0.00 & 0.00 & Medium \\ Sant’Antimo & 0.00 & 0.00 & 0.00 & 0.80 & 0.20 & 0.00 & 0.00 & Medium \\ \hline \hline \end{tabular}
\end{table}