MELSRV PSYCINFO DATABASES Z39.50 SERVER STATISTICS
Time period: 06/01/00 through 06/30/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,523 37,636
2-4 a.m. 449 10,077
4-6 a.m. 142 3,365
6-8 a.m. 427 12,615
8-10 a.m. 2,986 99,358
10-12 a.m. 7,497 264,489
12-2 p.m. 8,399 311,082
2-4 p.m. 10,025 372,799
4-6 p.m. 7,135 263,358
6-8 p.m. 3,471 138,269
8-10 p.m. 2,583 94,578
10-12 p.m. 2,154 89,048
__________ _____________ _________________
Total: 46,791 1,696,674
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 283
Davis 304
Irvine 25
Los Angeles 696
Riverside 3
San Diego 938
San Francisco 726
Santa Barbara 112
Santa Cruz 32
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 38,910
Searchlight 3,290
Other - UC 522
Other-Network UC 950
_____
46,791
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 3,414
Davis 3,206
Irvine 102
Los Angeles 6,668
Riverside 46
San Diego 6,999
San Francisco 6,667
Santa Barbara 1,151
Santa Cruz 548
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,626,875
Searchlight 4,673
Other - UC 11,894
Other-Network UC 24,431
_____
1,696,674
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.8
Standard deviation in seconds 10.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 1.0
2.0 PSYCINFO Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 21:17
Average session length (minutes:seconds) 20:28
Longest session recorded (minutes:seconds) 263:08
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 678.0
Retrievals per search - standard deviation 5824.1
Percent of searches completed with 0 results 21.6%
Percent of searches entered that are long 0.4%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 46,791 11.4%
PRESENT 346,698 84.3%
INIT or CLOSE 17,237 4.2%
OTHER 367 0.1%
SEARCHes completed: RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By index:
PERSONAL AUTHOR 16,730 23.9% 3,225 19.3% 6 72.9 1738.9
TITLE WORD 5,279 7.5% 1,516 28.7% 1 64.1 403.9
EXACT TITLE 998 1.4% 395 39.6% 1 21.0 222.9
JOURNAL 2,629 3.8% 829 31.5% 5 858.6 5762.7
EXACT JOURNAL 1,067 1.5% 399 37.4% 44 990.5 2651.9
SUBJECT 2,191 3.1% 912 41.6% 47 2022.6 10882.0
EXACT SUBJECT 564 0.8% 189 33.5% 115 2237.0 7389.6
KEYWORD 24,615 35.1% 4,843 19.7% 31 1227.4 7868.5
AUTHOR AFFIL 114 0.2% 82 71.9% 14 69.6 142.6
FORM/PUB TYPE 1,518 2.2% 320 21.1% 40 617.3 3027.0
DATE 3,637 5.2% 635 17.5% 10 286.2 2961.3
ADDED 648 0.9% 577 89.0% 9 20.3 33.3
CONFERENCE 7 0.0% 5 71.4% 41 40.5 14.8
LANGUAGE 3,438 4.9% 700 20.4% 71 1601.2 8416.8
ISSN 0 0.0% 0 0.0% 0 0.0 0.0
ISBN 29 0.0% 8 27.6% 13 13.0 0.0
ID NUMBER 22 0.0% 22 100% 0 0.0 0.0
XXS 42 0.1% 17 40.5% 89 1533.2 3426.8
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 265 0.4% 59 22.3% 82 635.2 3867.4
AT 5,036 7.2% 1,020 20.3% 47 1342.9 6895.5
Other indexes 1,205 1.7% 274 22.7% 59 1585.9 10004.5
RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By number of indexes:
Multiple 15,676 33.5% 3,945 25.2% 9 656.5 5033.4
Single 31,115 66.5% 6,162 19.8% 21 962.7 7171.4
PRESENT commands, by type:
MARC 48.0%
OPAC 34.3%
SPYmm/dd srv.psy MELSRV PSYCINFO DATABASES Z39.50 SERVER STATISTICS (weekly)