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Table 12 Clustering-based event detection: the impact of parameter selection on the final detected events

From: Real-time spatio-temporal event detection on geotagged social media

\(\Delta T\) in minutes

K

N

# of significant unions

# of unique events

run time in seconds

30

2

5

8776

2722

283

 

5

10

767

223

244

 

10

15

223

59

237

50

2

5

24517

3020

330

 

5

10

2730

495

243

 

10

15

635

105

233

60

2

5

33725

3022

364

 

5

10

4424

607

250

 

10

15

1000

161

235

90

2

5

58526

3118

463

 

5

10

12999

872

294

 

10

15

3009

294

250

120

2

5

78210

3435

545

 

5

10

25470

1032

349

 

10

15

7081

457

274

150

2

5

137564

3735

748

 

5

10

38364

1119

403

 

10

15

13585

541

305

180

2

5

154546

3994

824

 

5

10

49796

1156

451

 

10

15

21584

566

342