MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 05/18/02 through 05/24/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 92 921
2-4 a.m. 35 153
4-6 a.m. 8 16
6-8 a.m. 5 0
8-10 a.m. 150 2,417
10-12 a.m. 428 5,440
12-2 p.m. 642 9,605
2-4 p.m. 687 6,483
4-6 p.m. 487 5,742
6-8 p.m. 433 4,540
8-10 p.m. 289 2,670
10-12 p.m. 215 2,816
__________ _____________ _________________
Total: 3,471 40,803
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 2
Irvine 0
Los Angeles 28
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 7
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,753
Searchlight 1,665
Other - UC 14
Other-Network UC 2
_____
3,471
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 707
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 39,923
Searchlight 8
Other - UC 161
Other-Network UC 4
_____
40,803
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.7
Standard deviation in seconds 6.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.3
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:50
Longest session recorded (minutes:seconds) 124:57
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 341.8
Retrievals per search - standard deviation 3227.0
Percent of searches completed with 0 results 37.7%
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 3,471 24.6%
PRESENT 8,200 58.2%
INIT or CLOSE 2,404 17.1%
OTHER 6 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 108 2.5% 45 41.7% 56 445.8 933.9
TITLE WORD 238 5.6% 87 36.6% 7 221.9 792.3
EXACT TITLE 29 0.7% 16 55.2% 1 31.6 82.4
JOURNAL TITLE 12 0.3% 4 33.3% 20 68.8 139.4
EXACT JOURNAL 114 2.7% 27 23.7% 9 433.1 1642.8
SUBJECT WORD 210 4.9% 128 60.9% 14 415.1 1413.6
EXACT SUBJECT 99 2.3% 15 15.2% 12 134.9 299.6
KEYWORD 2,885 67.8% 1,071 37.1% 16 594.6 4427.9
DATE 148 3.5% 42 28.4% 9 133.2 967.1
ADDED SINCE 27 0.6% 19 70.4% 2 4.0 5.3
PUB TYPE 24 0.6% 16 66.7% 16 151.1 367.4
SUBFILE 3 0.1% 2 66.7% 245 245.0 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 0.1% 2 40.0% 2 2.0 1.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 339 8.0% 76 22.4% 13 847.0 8732.6
Other indexes 11 0.3% 8 72.7% 54 223.7 322.9
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 572 16.5% 181 31.6% 12 682.3 7217.7
Single 2,899 83.5% 1,126 38.8% 17 518.7 2963.8
PRESENT commands, by type:
MARC 48.8%
OPAC 36.2%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (