MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 09/29/01 through 10/05/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 63 416
2-4 a.m. 11 322
4-6 a.m. 4 18
6-8 a.m. 18 143
8-10 a.m. 160 1,502
10-12 a.m. 423 3,702
12-2 p.m. 422 2,525
2-4 p.m. 429 3,466
4-6 p.m. 379 2,418
6-8 p.m. 201 2,204
8-10 p.m. 171 1,455
10-12 p.m. 119 692
__________ _____________ _________________
Total: 2,400 18,863
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 9
Davis 0
Irvine 1
Los Angeles 23
Riverside 0
San Diego 11
San Francisco 1
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 1,202
Other - UC 1,151
Other-Network UC 2
_____
2,400
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1
Davis 0
Irvine 0
Los Angeles 128
Riverside 0
San Diego 102
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 18,463
Other-Network UC 169
_____
18,863
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.6
Standard deviation in seconds 3.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.5
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:11
Longest session recorded (minutes:seconds) 92:47
Average number of searches completed per session 0.0
Retrievals per search - median 1.5
Retrievals per search - average 442.7
Retrievals per search - standard deviation 3870.0
Percent of searches completed with 0 results 42.0%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 2,400 28.3%
PRESENT 4,282 50.4%
INIT or CLOSE 1,777 20.9%
OTHER 32 0.4%
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 91 3.2% 51 56.0% 4 196.9 491.0
TITLE WORD 201 7.2% 74 36.8% 16 391.5 1856.7
EXACT TITLE 12 0.4% 2 16.7% 1 785.6 1654.1
JOURNAL TITLE 1 0.0% 1 100% 0 0.0 0.0
EXACT JOURNAL 61 2.2% 22 36.1% 8 204.1 486.8
SUBJECT WORD 143 5.1% 80 55.9% 18 2642.6 19006.0
EXACT SUBJECT 68 2.4% 17 25.0% 15 106.7 320.4
KEYWORD 1,929 68.7% 812 42.1% 24 738.7 3340.5
DATE 86 3.1% 39 45.3% 11 67.8 125.0
ADDED SINCE 45 1.6% 43 95.6% 84 83.5 103.9
PUB TYPE 8 0.3% 8 100% 0 0.0 0.0
SUBFILE 1 0.0% 1 100% 0 0.0 0.0
ID 6 0.2% 0 0.0% 1 1.0 0.0
ISSN 1 0.0% 1 100% 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 0.2% 2 40.0% 2 1.7 0.6
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 151 5.4% 47 31.1% 54 1997.0 14961.6
Other indexes 0 0.0% 0 0.0% 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 297 12.4% 129 43.4% 21 1276.5 11787.9
Single 2,103 87.6% 879 41.8% 23 692.8 3175.7
PRESENT commands, by type:
MARC 51.2%
OPAC 29.4%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (