MELSRV PSYCINFO DATABASES Z39.50 SERVER STATISTICS
Time period: 08/01/00 through 08/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 873 13,752
2-4 a.m. 255 10,745
4-6 a.m. 70 3,927
6-8 a.m. 249 7,599
8-10 a.m. 2,312 79,127
10-12 a.m. 5,885 234,712
12-2 p.m. 6,442 245,578
2-4 p.m. 7,919 285,691
4-6 p.m. 5,473 194,114
6-8 p.m. 1,998 82,892
8-10 p.m. 1,265 45,068
10-12 p.m. 870 33,377
__________ _____________ _________________
Total: 33,611 1,236,582
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 387
Davis 174
Irvine 29
Los Angeles 568
Riverside 20
San Diego 698
San Francisco 420
Santa Barbara 13
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 26,214
Searchlight 3,585
Other - UC 449
Other-Network UC 1,053
_____
33,611
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 8,465
Davis 1,597
Irvine 240
Los Angeles 8,388
Riverside 475
San Diego 5,360
San Francisco 8,339
Santa Barbara 149
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,177,958
Searchlight 3,745
Other - UC 11,600
Other-Network UC 10,265
_____
1,236,582
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.1
Standard deviation in seconds 4.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 PSYCINFO Database Detailed Statistics
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Median session length (minutes:seconds) 21:14
Average session length (minutes:seconds) 20:20
Longest session recorded (minutes:seconds) 243:43
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 640.6
Retrievals per search - standard deviation 6745.9
Percent of searches completed with 0 results 21.0%
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 33,611 11.1%
PRESENT 254,091 84.2%
INIT or CLOSE 12,650 4.2%
OTHER 1,384 0.5%
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 13,434 26.7% 2,366 17.6% 6 52.4 407.8
TITLE WORD 3,803 7.6% 1,103 29.0% 1 70.7 567.1
EXACT TITLE 647 1.3% 287 44.4% 1 22.2 296.5
JOURNAL 2,335 4.6% 641 27.4% 6 782.6 3050.2
EXACT JOURNAL 846 1.7% 340 40.2% 59 1488.2 10931.3
SUBJECT 1,412 2.8% 550 38.9% 34 1348.2 6763.9
EXACT SUBJECT 376 0.7% 134 35.6% 123 793.0 1908.3
KEYWORD 15,982 31.7% 3,123 19.5% 32 1298.8 10147.9
AUTHOR AFFIL 60 0.1% 42 70.0% 13 37.6 62.6
FORM/PUB TYPE 1,016 2.0% 195 19.2% 35 551.8 2922.8
DATE 3,054 6.1% 495 16.2% 9 317.9 2409.9
ADDED 533 1.1% 477 89.5% 7 16.4 22.0
CONFERENCE 10 0.0% 5 50.0% 17 24.4 25.1
LANGUAGE 2,357 4.7% 460 19.5% 44 788.7 4422.9
ISSN 7 0.0% 6 85.7% 23,677 23677.0 0.0
ISBN 28 0.1% 19 67.9% 21 18.2 9.2
ID NUMBER 6 0.0% 5 83.3% 1 1.0 0.0
XXS 36 0.1% 12 33.3% 192 2100.2 4484.3
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 156 0.3% 35 22.4% 91 521.4 1442.7
AT 3,283 6.5% 633 19.3% 35 975.5 5951.3
Other indexes 965 1.9% 207 21.4% 50 1320.7 9898.6
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 11,319 33.7% 2,763 24.4% 8 466.3 3889.4
Single 22,292 66.3% 4,285 19.2% 21 974.2 8801.7
PRESENT commands, by type:
MARC 49.1%
OPAC 31.7%
SPYmm/dd srv.psy MELSRV PSYCINFO DATABASES Z39.50 SERVER STATISTICS (weekly)