MIT Press

Table 3.

Fields of study and their frequency of occurrence in the retrieved metadata

Class	1 label	2 labels	3+ labels	best	total	%	∅#labels	∅wc	wc (med.)
Mathematical Sciences	9,138	13,633	23,719	45,916	46,490	7.58	2.55	111	59
Physical Sciences	138,231	8,559	13,418	138,231	160,208	26.11	1.26	48	21
Chemical Sciences	16,337	27,091	37,953	57,052	81,381	13.26	2.44	141	105
Earth and Environmental Sciences	13,327	24,747	35,344	57,042	73,418	11.97	2.48	144	97
Biological Sciences	67,861	88,643	71,184	86,305	227,688	37.11	2.11	124	66
Agricultural and Veterinary Sciences	1,851	891	420	3,125	3,162	0.52	1.62	141	75
Information and Computing Sciences	27,688	15,613	27,076	51,915	70,377	11.47	2.17	114	73
Engineering and Technology	25,096	6,453	2,195	29,845	33,744	5.50	1.35	165	146
Medical and Health Sciences	68,096	46,710	42,666	86,304	157,472	25.66	1.93	134	77
Built Environment and Design	1,795	1,107	359	3,173	3,261	0.53	1.61	147	87
Education	2,476	1,333	1,258	4,865	5,067	0.83	1.91	124	99
Economics	5,209	1,241	1,119	6,635	7,569	1.23	1.62	151	133
Commerce, Management, Tourism and Services	5,126	1,122	495	6,156	6,743	1.10	1.36	132	116
Studies in Human Society	6,653	4,178	1,284	9,219	12,115	1.97	1.65	137	129
Psychology and Cognitive Sciences	11,407	4,701	1,805	15,312	17,913	2.92	1.52	138	138
Law and Legal Studies	1,045	181	147	1,332	1,373	0.22	1.42	173	155
Studies in Creative Arts and Writing	1,106	281	324	1,497	1,711	0.28	1.58	142	107
Language, Communication and Culture	4,432	929	606	5,265	5,967	0.97	1.40	117	89
History and Archaeology	2,205	599	266	2,825	3,070	0.50	1.39	72	19
Philosophy and Religious Studies	474	724	391	1,571	1,589	0.26	2.02	124	111
Total	409,553	124,368	79,664	–	613,585	–	1.50	112	57

Class	1 label	2 labels	3+ labels	best	total	%	∅#labels	∅wc	wc (med.)
Mathematical Sciences	9,138	13,633	23,719	45,916	46,490	7.58	2.55	111	59
Physical Sciences	138,231	8,559	13,418	138,231	160,208	26.11	1.26	48	21
Chemical Sciences	16,337	27,091	37,953	57,052	81,381	13.26	2.44	141	105
Earth and Environmental Sciences	13,327	24,747	35,344	57,042	73,418	11.97	2.48	144	97
Biological Sciences	67,861	88,643	71,184	86,305	227,688	37.11	2.11	124	66
Agricultural and Veterinary Sciences	1,851	891	420	3,125	3,162	0.52	1.62	141	75
Information and Computing Sciences	27,688	15,613	27,076	51,915	70,377	11.47	2.17	114	73
Engineering and Technology	25,096	6,453	2,195	29,845	33,744	5.50	1.35	165	146
Medical and Health Sciences	68,096	46,710	42,666	86,304	157,472	25.66	1.93	134	77
Built Environment and Design	1,795	1,107	359	3,173	3,261	0.53	1.61	147	87
Education	2,476	1,333	1,258	4,865	5,067	0.83	1.91	124	99
Economics	5,209	1,241	1,119	6,635	7,569	1.23	1.62	151	133
Commerce, Management, Tourism and Services	5,126	1,122	495	6,156	6,743	1.10	1.36	132	116
Studies in Human Society	6,653	4,178	1,284	9,219	12,115	1.97	1.65	137	129
Psychology and Cognitive Sciences	11,407	4,701	1,805	15,312	17,913	2.92	1.52	138	138
Law and Legal Studies	1,045	181	147	1,332	1,373	0.22	1.42	173	155
Studies in Creative Arts and Writing	1,106	281	324	1,497	1,711	0.28	1.58	142	107
Language, Communication and Culture	4,432	929	606	5,265	5,967	0.97	1.40	117	89
History and Archaeology	2,205	599	266	2,825	3,070	0.50	1.39	72	19
Philosophy and Religious Studies	474	724	391	1,571	1,589	0.26	2.02	124	111
Total	409,553	124,368	79,664	–	613,585	–	1.50	112	57

Note: Columns 2 labels and 3+ labels do not sum to their total as records are counted twice, or three times or more times.