Table 2.

Results of ranked taxon retrieval solely using GBIF point-based occurrence records sampled at the exact location and aggregated for increasing radii around Flickr test observations

Radius [km]	R [%]	R20 [%]	R514 [%]	MRR [%]	M	LL	LR
S1: Relative frequency of occurrence records
0	36.36	19.90	36.36	6.61	17	73	262.00
1	43.40	16.43	43.40	5.06	36	142	218.72
5	59.72	11.28	58.04	3.45	89	337	91.61
10	73.15	12.05	69.45	3.41	111	504	16.60
20	85.51	11.12	77.68	2.71	133	752	5.36
S2: Weighted relative frequency of occurrence records
1	43.40	18.15	43.38	5.54	30	142	218.72
5	59.72	14.31	58.54	4.30	70	337	91.61
10	73.15	13.61	70.52	4.05	89	504	16.60
20	85.51	14.98	79.73	3.77	108	752	5.36
S3: Minimum spatial distance to records’ tile centers
1	43.40	12.84	43.44	3.46	51	142	218.72
5	59.72	14.87	58.46	4.12	66	337	91.61
10	73.15	16.00	71.09	4.59	77	504	16.60
20	85.51	16.46	80.62	4.54	92	752	5.36
S4: Average spatial distance to records’ tile centers
1	43.40	14.51	43.39	4.63	55	142	218.72
5	59.72	12.91	58.50	3.99	76	337	91.61
10	73.15	10.48	70.69	2.97	110	504	16.60
20	85.51	9.68	78.83	2.83	136	752	5.36
S5: Temporal distance to months with recorded occurrences
0	36.35	23.12	36.35	7.36	13	73	261.10
1	43.39	19.81	43.39	5.81	24	141	218.97
5	59.71	12.47	58.84	3.60	77	337	91.78
10	73.15	11.21	69.95	3.08	108	503	16.67
20	85.50	7.25	77.88	1.96	168	751	5.37