Recommending plant taxa for supporting on-site species identification

BMC Bioinformatics

Table 3 Results of ranked taxon retrieval using FLORKART presence-absence data in combination with 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	86.62	20.89	74.99	7.20	121	692	4.41
1	89.51	16.99	79.66	5.38	135	810	3.67
5	94.10	11.62	83.88	3.67	155	1142	2.54
10	95.98	12.19	83.03	3.55	160	1320	2.18
20	97.40	11.02	80.09	2.77	165	1525	1.86
S2: Weighted relative frequency of occurrence records
1	89.51	19.67	80.35	6.00	116	810	3.67
5	94.10	15.38	84.33	4.60	131	1142	2.54
10	95.98	15.16	84.38	4.28	127	1320	2.18
20	97.40	15.00	84.08	3.83	128	1525	1.86
S3: Minimum spatial distance to records’ tile centers
1	89.51	2.48	68.07	0.94	330	810	3.67
5	94.10	3.25	66.14	1.05	364	1142	2.54
10	95.98	1.90	65.72	0.84	378	1320	2.18
20	97.40	2.82	67.13	1.04	359	1525	1.86
S4: Average spatial distance to records’ tile centers
1	89.51	3.70	63.18	1.81	374	810	3.67
5	94.10	1.09	52.77	0.66	478	1142	2.54
10	95.98	0.76	45.51	0.43	529	1320	2.18
20	97.40	1.05	36.70	0.42	624	1525	1.86
S5: Temporal distance to months with recorded occurrences
0	36.35	23.15	36.35	7.37	13	73	261.10
1	43.39	19.86	43.39	5.76	25	141	218.97
5	59.71	12.52	58.82	3.60	77	337	91.78
10	73.15	11.06	69.95	3.04	108	503	16.67
20	85.50	7.22	77.87	1.98	167	751	5.37
S2+S5: Combined weighted relative frequency and temporal distance
0	86.62	23.98	75.78	8.85	133	692	4.41
1	89.51	22.09	79.65	7.51	119	810	3.67
5	94.10	17.92	84.49	5.69	118	1142	2.54
10	95.98	18.14	85.25	5.12	112	1320	2.18
20	97.40	17.14	85.52	4.61	115	1525	1.86

ISSN: 1471-2105