status

Status Page: Updated on Jul 28, 2014

MetaData Deposit
Total Records in Database68,438,622
Total Prefixes4,312
Number of Journals35,417
Number of Books541,365
Number of Conference Proceedings40,056
Number of Journal DOIs53,521,262
Number of Book DOIs8,417,540
Number of Conference DOIs3,691,438
Number of Components1,612,084
Number of Standards Titles76,619
Number of Standards DOIs130,152
Number of Databases16,055
Number of Database DOIs647,145
Number of Articles with References Deposited22,163,446
Number of Cited-By Links406,791,593
Number of DOIs with at least one cited-by link27,630,774
Number of Journal Title Level DOIs 14,504
Number of Book Title Level DOIs 529,359
Number of ConfProc Title Level DOIs 9,860
Number of Dissertation Title Level DOIs 54,031
Number of Report Title Level DOIs 359,216
Number of Standards Title Level DOIs 129,588
Number of Database Title Level DOIs 773
Number of Unique DOIs with FundRef data 109,438

Monthly Deposit Data

MonthTotal Records
Added
Total Current
Deposits
Total BackFile
Deposits
Total Records
Updated
(2011)6,502,4552,938,7133,563,74218,204,660
(2012)6,079,7443,578,9982,500,74622,093,388
Jun569,151386,802182,3491,964,846
Jul542,847370,502172,3451,936,357
Aug519,623385,235134,3882,041,077
Sep520,173355,828164,3451,542,539
Oct720,864458,833262,0311,590,976
Nov772,952478,115294,8371,134,573
Dec587,321387,183200,1381,190,916
Jan624,212402,712221,5001,481,946
Feb519,995427,31492,6811,482,096
Mar645,040382,616262,4241,384,334
Apr453,100351,701101,3991,221,142
May562,141395,829166,3121,542,271
Jun552,871391,192161,6791,508,784
Jul492,999288,002204,9971,624,699


Monthly Query Data

MonthTotal MetaData
Queries
Total Matches%% by group
( Lib Pub Aflt )
Total DOI
Queries
Total Matches %
(2011)726,215,135185,020,28525%59%23%23%332,433,797322,124,29897%
(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%
Jun69,553,92035,719,20051%45%47%73%39,295,51037,938,66197%
Jul74,411,27235,929,71748%36%48%74%35,111,32133,832,19196%
Aug65,359,58031,667,83848%40%47%76%30,629,83629,375,90896%
Sep72,046,02631,256,55143%45%43%72%32,423,88730,979,38496%
Oct81,988,05939,456,73248%48%37%68%47,631,38045,096,01195%
Nov83,914,66038,634,62346%45%39%63%44,082,31941,787,91995%
Dec82,062,18231,783,28139%39%45%62%35,527,74433,179,58893%
Jan81,826,38333,727,87041%47%38%64%49,606,12447,349,18795%
Feb68,121,28833,049,14649%57%45%68%47,745,08545,733,07196%
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%
Jul70,521,68233,033,16047%41%42%73%35,603,85833,759,21095%

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