MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 12/08/01 through 12/14/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 26 268
2-4 a.m. 16 79
4-6 a.m. 24 237
6-8 a.m. 9 140
8-10 a.m. 35 169
10-12 a.m. 114 409
12-2 p.m. 125 763
2-4 p.m. 185 907
4-6 p.m. 106 342
6-8 p.m. 41 321
8-10 p.m. 55 648
10-12 p.m. 30 123
__________ _____________ _________________
Total: 766 4,406
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 0
Davis 7
Irvine 0
Los Angeles 0
Riverside 0
San Diego 7
San Francisco 1
Santa Barbara 2
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 340
Other - UC 400
Other-Network UC 9
_____
766
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 0
Los Angeles 0
Riverside 0
San Diego 19
San Francisco 0
Santa Barbara 6
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 4,287
Other-Network UC 94
_____
4,406
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.4
Standard deviation in seconds 0.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.4
2.0 COMPUTER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:10
Average session length (minutes:seconds) 7:44
Longest session recorded (minutes:seconds) 95:46
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 775.3
Retrievals per search - standard deviation 4295.5
Percent of searches completed with 0 results 55.1%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 0.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 766 33.8%
PRESENT 962 42.5%
INIT or CLOSE 537 23.7%
OTHER 1 0.0%
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 67 7.7% 49 73.1% 9 189.1 493.2
TITLE WORD 104 12.0% 56 53.8% 16 1697.0 6661.2
EXACT TITLE 1 0.1% 1 100% 0 0.0 0.0
JOURNAL TITLE 25 2.9% 22 88.0% 2 7.0 9.5
EXACT JOURNAL 51 5.9% 5 9.8% 1,735 8221.1 13738.9
SUBJECT WORD 33 3.8% 18 54.5% 5 65.0 153.5
EXACT SUBJECT 15 1.7% 2 13.3% 154 1248.8 1714.7
KEYWORD 506 58.3% 290 57.3% 15 620.8 2176.0
DATE 8 0.9% 2 25.0% 3 37.7 67.9
ADDED SINCE 6 0.7% 3 50.0% 7 11.0 8.7
PUB TYPE 5 0.6% 1 20.0% 1 1.5 1.0
SUBFILE 0 0.0% 0 0.0% 0 0.0 0.0
ID 1 0.1% 0 0.0% 1 1.0 0.0
ISSN 0 0.0% 0 0.0% 0 0.0 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 22 2.5% 1 4.5% 17 2051.6 6082.4
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 23 2.6% 11 47.8% 87 76.2 68.8
Other indexes 1 0.1% 1 100% 0 0.0 0.0
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 83 10.8% 36 43.4% 8 940.9 4135.9
Single 683 89.2% 386 56.5% 31 1850.6 6558.0
PRESENT commands, by type:
MARC 54.5%
OPAC 25.3%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w