MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 03/09/02 through 03/15/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 143 1,808
2-4 a.m. 48 279
4-6 a.m. 15 138
6-8 a.m. 40 186
8-10 a.m. 194 1,284
10-12 a.m. 428 2,165
12-2 p.m. 810 8,303
2-4 p.m. 841 13,429
4-6 p.m. 798 7,568
6-8 p.m. 517 6,264
8-10 p.m. 436 4,463
10-12 p.m. 343 4,968
__________ _____________ _________________
Total: 4,613 50,855
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 0
Irvine 0
Los Angeles 5
Riverside 0
San Diego 0
San Francisco 1
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,292
Searchlight 2,068
Other - UC 243
Other-Network UC 4
_____
4,613
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 49
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 47,873
Searchlight 16
Other - UC 2,815
Other-Network UC 102
_____
50,855
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 1.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.7
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:02
Average session length (minutes:seconds) 7:34
Longest session recorded (minutes:seconds) 115:48
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 573.6
Retrievals per search - standard deviation 4534.0
Percent of searches completed with 0 results 37.3%
Percent of searches entered that are long 0.2%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 4,613 25.1%
PRESENT 10,624 57.9%
INIT or CLOSE 3,112 17.0%
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 143 2.5% 48 33.6% 6 191.1 414.5
TITLE WORD 367 6.5% 131 35.7% 5 386.6 2063.1
EXACT TITLE 37 0.7% 19 51.3% 1 19.8 52.2
JOURNAL TITLE 11 0.2% 9 81.8% 142 141.5 169.0
EXACT JOURNAL 123 2.2% 40 32.5% 5 161.8 523.0
SUBJECT WORD 333 5.9% 162 48.6% 19 2567.8 13114.9
EXACT SUBJECT 183 3.2% 33 18.0% 15 184.9 580.3
KEYWORD 3,661 65.0% 1,381 37.7% 19 929.2 5291.3
DATE 260 4.6% 80 30.8% 12 99.7 371.9
ADDED SINCE 48 0.9% 23 47.9% 12 114.9 512.5
PUB TYPE 17 0.3% 13 76.5% 37 168.3 286.2
SUBFILE 8 0.1% 3 37.5% 44 47.6 35.7
ID 18 0.3% 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 6 0.1% 4 66.7% 4 3.5 2.1
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 413 7.3% 84 20.3% 21 1180.8 8082.1
Other indexes 4 0.1% 2 50.0% 2,435 2435.0 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 744 16.1% 212 28.5% 15 870.5 6502.7
Single 3,869 83.9% 1,511 39.1% 17 925.8 5505.8
PRESENT commands, by type:
MARC 42.5%
OPAC 43.1%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (