MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 12/15/01 through 12/21/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 13 220
2-4 a.m. 12 61
4-6 a.m. 28 236
6-8 a.m. 7 199
8-10 a.m. 33 601
10-12 a.m. 65 1,059
12-2 p.m. 58 539
2-4 p.m. 100 380
4-6 p.m. 36 51
6-8 p.m. 38 286
8-10 p.m. 16 163
10-12 p.m. 2 11
__________ _____________ _________________
Total: 408 3,806
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 8
Irvine 0
Los Angeles 3
Riverside 0
San Diego 10
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 152
Other - UC 235
Other-Network UC 0
_____
408
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 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 3,787
Other-Network UC 0
_____
3,806
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.3
Standard deviation in seconds 0.5
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) 0:09
Average session length (minutes:seconds) 7:45
Longest session recorded (minutes:seconds) 71:00
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 703.8
Retrievals per search - standard deviation 3414.8
Percent of searches completed with 0 results 51.0%
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 408 29.7%
PRESENT 657 47.9%
INIT or CLOSE 305 22.2%
OTHER 2 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 33 7.2% 27 81.8% 6 61.7 135.5
TITLE WORD 40 8.8% 27 67.5% 90 114.8 162.4
EXACT TITLE 2 0.4% 1 50.0% 6 6.0 0.0
JOURNAL TITLE 13 2.8% 11 84.6% 143 143.0 18.4
EXACT JOURNAL 52 11.4% 4 7.7% 1,182 4973.3 8620.0
SUBJECT WORD 19 4.2% 9 47.4% 7 26.0 44.4
EXACT SUBJECT 9 2.0% 2 22.2% 21 77.3 109.9
KEYWORD 256 56.0% 141 55.1% 22 395.8 1480.3
DATE 5 1.1% 2 40.0% 1 4.0 5.2
ADDED SINCE 6 1.3% 3 50.0% 11 17.3 20.3
PUB TYPE 2 0.4% 1 50.0% 10 10.0 0.0
SUBFILE 1 0.2% 0 0.0% 461 461.0 0.0
ID 0 0.0% 0 0.0% 0 0.0 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 5 1.1% 0 0.0% 461 664.4 863.1
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 12 2.6% 6 50.0% 14 32.8 53.7
Other indexes 2 0.4% 2 100% 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 44 10.8% 26 59.1% 21 201.9 513.2
Single 364 89.2% 182 50.0% 38 1557.7 4986.9
PRESENT commands, by type:
MARC 46.8%
OPAC 24.4%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w