MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 01/12/02 through 01/18/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 71 630
2-4 a.m. 9 14
4-6 a.m. 7 0
6-8 a.m. 12 327
8-10 a.m. 126 730
10-12 a.m. 283 1,966
12-2 p.m. 379 2,090
2-4 p.m. 439 2,141
4-6 p.m. 351 3,788
6-8 p.m. 212 1,657
8-10 p.m. 148 674
10-12 p.m. 100 364
__________ _____________ _________________
Total: 2,137 14,381
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 3
Riverside 0
San Diego 33
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 793
Searchlight 1,085
Other - UC 214
Other-Network UC 9
_____
2,137
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 1
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 13,981
Searchlight 6
Other - UC 393
Other-Network UC 0
_____
14,381
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 0.2
Standard deviation in seconds 0.4
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:01
Average session length (minutes:seconds) 5:08
Longest session recorded (minutes:seconds) 81:09
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 1962.5
Retrievals per search - standard deviation 29707
Percent of searches completed with 0 results 40.6%
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 2,137 32.1%
PRESENT 2,889 43.3%
INIT or CLOSE 1,639 24.6%
OTHER 0 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 69 2.8% 33 47.8% 13 37773.8 225035
TITLE WORD 136 5.5% 56 41.2% 10 567.2 2883.7
EXACT TITLE 17 0.7% 12 70.6% 1 1.0 0.0
JOURNAL TITLE 8 0.3% 6 75.0% 675622 675622 954381
EXACT JOURNAL 59 2.4% 19 32.2% 25 304.3 705.8
SUBJECT WORD 108 4.4% 71 65.7% 4 517.2 1593.5
EXACT SUBJECT 53 2.1% 15 28.3% 23 220.0 509.5
KEYWORD 1,780 72.2% 696 39.1% 59 2545.2 7548.4
DATE 49 2.0% 21 42.9% 51 213.1 375.5
ADDED SINCE 28 1.1% 24 85.7% 1 1.0 0.0
PUB TYPE 9 0.4% 6 66.7% 4 6.7 5.5
SUBFILE 1 0.0% 1 100% 0 0.0 0.0
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 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 144 5.8% 40 27.8% 24 763.0 3291.9
Other indexes 3 0.1% 0 0.0% 41 736.0 1235.1
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 260 12.2% 95 36.5% 20 8735.5 105124
Single 1,877 87.8% 773 41.2% 56 2493.2 7466.3
PRESENT commands, by type:
MARC 44.8%
OPAC 36.1%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (