MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 06/30/01 through 07/06/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 54 106
2-4 a.m. 19 124
4-6 a.m. 6 0
6-8 a.m. 28 299
8-10 a.m. 130 1,549
10-12 a.m. 308 2,502
12-2 p.m. 369 3,043
2-4 p.m. 513 5,064
4-6 p.m. 217 2,543
6-8 p.m. 95 933
8-10 p.m. 126 1,252
10-12 p.m. 36 179
__________ _____________ _________________
Total: 1,901 17,594
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 3
Irvine 0
Los Angeles 3
Riverside 2
San Diego 5
San Francisco 1
Santa Barbara 3
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 18
Searchlight 879
Other - UC 972
Other-Network UC 14
_____
1,901
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 96
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 17,488
Other-Network UC 8
_____
17,594
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 3.6
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) 0:03
Average session length (minutes:seconds) 6:39
Longest session recorded (minutes:seconds) 164:59
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 499.0
Retrievals per search - standard deviation 3930.5
Percent of searches completed with 0 results 42.4%
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 1,901 29.8%
PRESENT 3,206 50.2%
INIT or CLOSE 1,251 19.6%
OTHER 29 0.5%
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 65 2.8% 28 43.1% 5 156.4 321.5
TITLE WORD 130 5.6% 54 41.5% 20 354.3 1455.5
EXACT TITLE 12 0.5% 6 50.0% 1 1.0 0.0
JOURNAL TITLE 3 0.1% 2 66.7% 394 394.0 0.0
EXACT JOURNAL 105 4.5% 21 20.0% 8 61.4 175.8
SUBJECT WORD 181 7.8% 76 42.0% 7 506.8 3445.9
EXACT SUBJECT 34 1.5% 10 29.4% 21 638.3 1309.5
KEYWORD 1,516 65.5% 652 43.0% 19 980.4 5646.2
DATE 125 5.4% 28 22.4% 7 44.5 126.5
ADDED SINCE 34 1.5% 33 97.1% 15 15.0 0.0
PUB TYPE 0 0.0% 0 0.0% 0 0.0 0.0
SUBFILE 0 0.0% 0 0.0% 0 0.0 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 0 0.0% 0 0.0% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 102 4.4% 17 16.7% 43 370.3 1144.1
Other indexes 6 0.3% 4 66.7% 70 69.5 84.1
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 304 16.0% 95 31.3% 11 189.1 755.5
Single 1,597 84.0% 712 44.6% 19 1027.2 5704.5
PRESENT commands, by type:
MARC 46.2%
OPAC 27.4%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (