# Image of a City through Big Data Analytics: Colombo from the Lens of Geo-Coded Social Media Data
## 4 Results
### Popularity Analysis  
Popularity analysis counted the number of tweets/Instagram messages distributed per each place name irrespective of the date tweeted. Figure 7 shows the color density matrix of the popularity analysis.  
The frequency of the posts shared on Twitter and Instagram shows the community perceptions toward making memories with the places. According to Figure 7, GF, AIS, CE, KH, HH, LPB, PM, and BMICH can be considered the places which have received high  
Figure 6: Exemplary tweets posted sharing positive sentiments about ARC and DP.  
Figure 7: Color density matrix: Twitter popularity analysis.  
attention on Twitter and Instagram. Table 3 shows the exemplary positively and negatively classified tweets, where Table 4 lists the frequently used word in the Twitter and Instagram posts shared per selected locations with increasing popularity.  
Landmarks such as GF and AIS attract people due to their location and building architecture. KH and HH are two prestigious hotels located facing the main road of Colombo 01. Especially, OGFB (Landmark), DP (District), and MLB (Edge) have gained more popularity in recent years compared to 2015. Nonetheless, places such as BL (Edge), LT (Landmark), and P (Landmark) have gradually lost popularity. Figure 8 demonstrate the sceneries created by the KH and the MLB, and Figure 9 shows temporal changes of the sentiment values by zones.  
\begin{table}
\begin{tabular}{c c c} \hline \hline
**Place Code** & \multicolumn{2}{c}{**Frequently Used Words**} \\ \hline GF (Landmark) & Photo (39), sunset (35), beautiful (14), time (14), night (11), view (11), evening (11) \\ AIS (Landmark) & Time (24), night (23), evening (17), love (15), selfie (15), life (14), friends (13), good (12), architecture (11), \\ CF (District) & Station (278), railway (272), cafe (34), train (18), Dutch (13) \\ KH (Landmark) & Sky (32), night (30), love (21), view (21), time (19), good (18), dinner (16), life (14), party (14), sunset (14), family (13), happy (13), harbor (13), good times (12), evening (11), travel (10) \\  & Photo (125), night (57), dinner (51), ballroom (41), good (29), Christmas (24), life (21), party (21), happy (19), \\ HH (Landmark) & poolside (17), love (15), \#beautiful (14), beautiful (14), graze (14), thank (14), \#love (13), \#kotberfest (13), \#weddings (13), best (13), grand (13), view (13), \#family (12), \#life (12), \#travel (12), tower (11), video (11), \\ MLB (Edge) & Beach (53), hotel (27), sunset (21), family (15), \#mountleviniabeach (15), \#mountlaviniahotel (15), sea (10) \\ \hline \hline \end{tabular}
\end{table}
Table 4: Frequently used words attached to selected Lynchian elements.  
\begin{table}
\begin{tabular}{c c c c c} \hline \hline
**Place Code** & \begin{tabular}{c} **Lynchian** \\ **Category** \\ \end{tabular} & **Date** & **Text** & **Geo-coordinate** & **Sentiment** \\ \hline ARC & Landmark & 13 March 06:18:32 & \
\begin{tabular}{c} Altair Colombo \#cmb Sri Lanka \\ next best thing architecture \\ \#Altair \\ \end{tabular} & 6.91862, 79.8541 & Positive \\  & & & We do not remember days, we \\ CCC & Landmark & 23 November &
\begin{tabular}{c} remember moments \\ friends happy Sunday movies \\ Scope Cinema Gold Class at \\ CCC @