Table 1.
Benchmarking query efficiency with open access articles published in J Biol Chem*
Year | Total articles published | No (%) indexed | No found offsite (% of total/% of indexed) | No found onsite (% of total/% of indexed) |
---|---|---|---|---|
1996 | 4947 | 1819 (37) | 181 (4/10) | 1567 (32/86) |
1997 | 4819 | 1760 (37) | 174 (4/10) | 1522 (32/86) |
1998 | 4953 | 1777 (36) | 217 (4/12) | 1514 (31/85) |
1999 | 5292 | 1829 (35) | 297 (6/16) | 1602 (30/88) |
2000 | 5633 | 1987 (35) | 394 (7/19) | 1747 (31/88) |
2001 | 6519 | 2219 (34) | 435 (7/19) | 2039 (31/92) |
2002 | 6531 | 2294 (35) | 451 (7/19) | 2142 (33/93) |
2003 | 6588 | 2757 (42) | 417 (6/15) | 2490 (38/90) |
Total | 45 282 | 16 442 (36.3) | 2566 (6/16) | 14 623 (32/89) |
Number of PDF based J Biol Chem articles indexed by Google varied by year, averaging about 36% of article URLs listed on J Biol Chem website. Averaging indexed PDFs by year, query routine as described found average of 89% (SD 3%).