5. local photo density (t)
overall photo density (t)
Bryant park
High Line park
Time of day (hour)
Normalized
photo density (%)
800k for NYC
Spatially cluster
(DBSCAN)
Time course
of interest
6. local photo density (t)
overall photo density (t)
Bryant park
High Line park
Time of day (hour)
Normalized
photo density (%)
800k for NYC
Spatially cluster
(DBSCAN)
Time course
of interest
Duration of visit
user 1
time spent
location 1
first last time
7. local photo density (t)
overall photo density (t)
Bryant park
High Line park
Time of day (hour)
Normalized
photo density (%)
800k for NYC
Spatially cluster
(DBSCAN)
Time course
of interest
Duration of visit
Median
user 1
time spent
location 1
first last time
location 1
location 1
user 2
user 3
...
8. local photo density (t)
overall photo density (t)
Bryant park
High Line park
Time of day (hour)
Normalized
photo density (%)
800k for NYC
Spatially cluster
(DBSCAN)
Time course
of interest
Duration of visit
Median
user 1
time spent
location 1
first last time
location 1
location 1
user 2
user 3
Score path
Σc ∈ path [ 1/distancec−1→c × scorec (t) ]
...
9. Where do the locals go?
non-NYC users
Time of day (hour)
Normalized
photo density (%)
Williamsburg (Bedford Ave)
NYC users
10. Where do the locals go?
non-NYC users
Time of day (hour)
Normalized
photo density (%)
Williamsburg (Bedford Ave)
• Alphabet City/ Thompkins Square Park
• North Williamsburg
• Dumbo / Main Street Park
• Brooklyn Museum / Prospect Park
Some “gems”
(high NYC to
non-NYC user ratio)
NYC users
13. Higher interest scores correspond
to more touristy locations
Touristiness Score =
Σ j -dj2/(2σ2) × (1/ rankj)
dj = distance to landmark j
rankj = ranking of landmark j
Landmarks/ranking determined from
Tripomatic.com
Log photo density
Log touristiness score
r = 0.60
p = 2.4e-8
14. Estimated visit durations for example locations
2.1 hrs Javits Convention Center
1.8 hrs Yankee Stadium
1.8 hrs Arthur Ashe Tennis Stadium
...
0.7 hr Liberty Island/Statue of Liberty
0.7 hr Fountain in Central Park
0.5 hr Brooklyn Bridge
15. Photo density for weekends vs weekdays
Time of day (hour)
Normalized photo density (%)
Weekday
Weekend