status

Status Page: Updated on Apr 20, 2014

MetaData Deposit
Total Records in Database66,768,847
Total Prefixes4,077
Number of Journals34,214
Number of Books519,154
Number of Conference Proceedings38,912
Number of Journal DOIs52,431,082
Number of Book DOIs8,041,679
Number of Conference DOIs3,628,574
Number of Components1,506,915
Number of Standards Titles68,559
Number of Standards DOIs122,834
Number of Databases15,943
Number of Database DOIs632,620
Number of Articles with References Deposited21,655,762
Number of Cited-By Links393,534,281
Number of DOIs with at least one cited-by link27,016,466
Number of Journal Title Level DOIs 12,868
Number of Book Title Level DOIs 509,956
Number of ConfProc Title Level DOIs 9,473
Number of Dissertation Title Level DOIs 52,834
Number of Report Title Level DOIs 347,451
Number of Standards Title Level DOIs 122,271
Number of Database Title Level DOIs 590
Number of Unique DOIs with FundRef data 64,750

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
Mar503,897343,320160,5771,516,842
Apr631,406357,814273,5921,745,139
May504,123357,989146,1341,830,124
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
Apr314,432234,95679,476755,318


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%
Mar90,006,00337,030,75941%59%29%64%27,403,95426,039,96195%
Apr76,628,01432,722,90443%47%33%58%26,727,51925,497,81395%
May61,371,94832,720,39753%46%46%60%43,623,31942,423,84197%
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%
Apr41,856,49021,507,42451%55%44%79%27,287,20425,963,60595%

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