MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 05/12/01 through 05/18/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 170 1,205
2-4 a.m. 25 164
4-6 a.m. 17 0
6-8 a.m. 40 334
8-10 a.m. 273 3,708
10-12 a.m. 657 6,149
12-2 p.m. 1,053 13,870
2-4 p.m. 1,094 14,073
4-6 p.m. 858 10,844
6-8 p.m. 613 9,647
8-10 p.m. 524 7,181
10-12 p.m. 374 3,647
__________ _____________ _________________
Total: 5,698 70,822
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1
Davis 13
Irvine 1
Los Angeles 14
Riverside 0
San Diego 4
San Francisco 1
Santa Barbara 5
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,163
Searchlight 2,466
Other - UC 18
Other-Network UC 12
_____
5,698
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 118
Irvine 0
Los Angeles 1
Riverside 0
San Diego 0
San Francisco 94
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 70,158
Searchlight 116
Other - UC 335
Other-Network UC 0
_____
70,822
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 5.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 0.6
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 8:30
Longest session recorded (minutes:seconds) 128:13
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 664.8
Retrievals per search - standard deviation 17843
Percent of searches completed with 0 results 38.6%
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 5,698 24.9%
PRESENT 13,530 59.2%
INIT or CLOSE 3,618 15.8%
OTHER 8 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 217 3.0% 97 44.7% 8 355.7 1105.4
TITLE WORD 329 4.5% 126 38.3% 7 6643.4 91863.6
EXACT TITLE 29 0.4% 17 58.6% 2 31.3 78.3
JOURNAL TITLE 27 0.4% 22 81.5% 2 261798 585394
EXACT JOURNAL 245 3.3% 68 27.8% 19 233.8 797.2
SUBJECT WORD 501 6.8% 263 52.5% 8 275.2 1231.0
EXACT SUBJECT 272 3.7% 59 21.7% 7 1134.4 8165.1
KEYWORD 4,574 62.4% 1,761 38.5% 20 746.9 5536.1
DATE 334 4.6% 94 28.1% 17 71.7 191.0
ADDED SINCE 50 0.7% 27 54.0% 2 4.8 6.2
PUB TYPE 43 0.6% 25 58.1% 2 30.6 63.6
SUBFILE 21 0.3% 15 71.4% 127 208.5 271.0
ID 1 0.0% 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 1 0.0% 1 100% 0 0.0 0.0
ARTICLE 15 0.2% 9 60.0% 3 5.0 4.6
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 663 9.0% 160 24.1% 20 795.3 4888.4
Other indexes 6 0.1% 4 66.7% 14 14.0 17.0
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 1,171 20.6% 361 30.8% 18 2171.1 46137.2
Single 4,527 79.4% 1,836 40.6% 17 754.1 5747.8
PRESENT commands, by type:
MARC 43.9%
OPAC 40.8%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (