status

Status Page: Updated on Apr 17, 2015

MetaData Deposit
Total Records in Database73,313,297
Total Prefixes5,401
Number of Journals38,776
Number of Books604,804
Number of Conference Proceedings43,472
Number of Journal DOIs56,556,463
Number of Book DOIs9,336,150
Number of Conference DOIs4,003,012
Number of Components1,886,902
Number of Standards Titles82,275
Number of Standards DOIs134,053
Number of Databases1,251
Number of Database DOIs953,788
Number of Articles with References Deposited23,697,520
Number of Cited-By Links460,394,687
Number of DOIs with at least one cited-by link30,088,467
Number of Journal Title Level DOIs 17,114
Number of Book Title Level DOIs 598,541
Number of ConfProc Title Level DOIs 10,899
Number of Dissertation Title Level DOIs 62,157
Number of Report Title Level DOIs 374,117
Number of Standards Title Level DOIs 133,489
Number of Database Title Level DOIs 1,244
Number of Unique DOIs with FundRef data 604,209

Monthly Deposit Data

MonthTotal Records
Added
Total Current
Deposits
Total BackFile
Deposits
Total Records
Updated
(2012)6,079,7443,578,9982,500,74622,093,388
Mar645,040382,616262,4241,384,334
Apr453,100351,701101,3991,221,142
May562,141395,829166,3121,542,271
Jun552,871391,192161,6791,508,784
Jul625,163363,066262,0971,969,508
Aug582,561449,995132,5661,819,705
Sep531,536402,708128,8281,462,985
Oct608,067507,643100,4242,092,770
Nov589,440371,725217,7152,184,020
Dec648,271412,315235,9561,732,594
Jan471,657329,440142,2171,608,576
Feb469,198326,914142,2841,944,860
Mar483,190377,213105,9772,656,659
Apr333,432226,642106,7901,263,189


Monthly Query Data

MonthTotal MetaData
Queries
Total Matches%% by group
( Lib Pub Aflt )
Total DOI
Queries
Total Matches %
(2012)1,072,821,727386,327,58836%60%24%24%284,176,185264,787,97393%
(2013)941,950,110422,491,12745%45%39%39%418,245,644398,676,95595%
(2014)965,680,961441,630,44046%53%41%41%704,156,100671,424,66095%
Mar76,108,90435,641,50247%56%52%71%54,497,12950,564,87993%
Apr62,672,24933,279,92053%55%45%81%41,874,68239,800,90495%
May60,882,18128,400,91047%51%42%48%38,615,70636,907,40796%
Jun72,903,83634,385,29647%57%46%66%40,424,65038,283,00995%
Jul79,421,43037,987,17148%41%43%73%40,319,60038,243,80795%
Aug77,459,92735,125,12045%53%37%76%53,026,51950,793,05696%
Sep72,788,86535,770,32949%55%31%73%79,890,02077,670,61697%
Oct87,239,53945,556,19952%57%37%68%112,486,476108,734,41397%
Nov101,610,96242,446,65742%51%44%63%97,084,73292,583,32595%
Dec124,645,39746,260,32037%56%39%58%48,585,37744,760,98692%
Jan106,538,26941,726,41439%57%39%76%42,562,90837,013,29987%
Feb95,127,67839,460,86941%54%33%77%46,821,19742,211,70790%
Mar142,162,96259,784,56842%57%50%80%65,657,09560,718,03592%
Apr77,023,38029,486,73738%50%34%83%49,640,84546,658,30194%

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