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SJR indicator vs. Cites per Doc (2y)

The SJR indicator measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is. Cites per Doc. (2y) measures the scientific impact of an average article published in the journal, it is computed using the same formula that journal impact factor ™ (Thomson Reuters).

Citation vs. Self-Citation

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.

Cites per Document vs. External Cites per Document

Evolution of the number of total cites per document and external cites per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years.

Cites per Document in 2, 3 and 4 years windows

Evolution of Citations per Document to a journal's published documents during the two, three and four previous years. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country.

Journal's Citable vs. Non Citable Documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers, reviews and short reviews) in three years windows.

Journal's Cited vs. Uncited Documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Indicators	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008
SJR	24,544	25,939	22,917	19,081	14,716	12,282	12,330	13,680	12,013	9,494
Total Documents	25	24	24	25	28	32	29	28	25	25
Total Docs. (3years)	61	64	66	73	73	77	85	89	89	82
Total References	4.134	3.664	4.054	4.164	3.891	4.353	3.623	3.671	3.481	3.297
Total Cites (3years)	1.766	1.944	2.027	2.037	1.832	1.746	1.891	2.540	2.370	2.077
Self Cites (3years)	8	6	8	15	14	9	8	13	7	7
Citable Docs. (3years)	60	62	63	71	71	76	83	87	86	80
Cites / Doc. (4years)	29,43	31,98	32,81	30,90	28,55	25,41	24,70	27,04	27,90	27,21
Cites / Doc. (3years)	29,43	31,35	32,17	28,69	25,80	22,97	22,78	29,20	27,56	25,96
Cites / Doc. (2years)	26,71	27,30	28,55	22,94	22,25	18,02	23,98	28,07	24,36	23,04
References / Doc.	165,36	152,67	168,92	166,56	138,96	136,03	124,93	131,11	139,24	131,88
Cited Docs.	60	61	63	70	70	74	82	85	86	79
Uncited Docs.	1	3	3	3	3	3	3	4	3	3
% International Collaboration	0,00	0,00	0,00	16,00	10,71	6,25	17,24	10,71	8,00	4,00