MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 07/14/01 through 07/20/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 69 175
2-4 a.m. 16 44
4-6 a.m. 8 20
6-8 a.m. 33 133
8-10 a.m. 105 1,040
10-12 a.m. 374 2,127
12-2 p.m. 442 4,396
2-4 p.m. 545 3,679
4-6 p.m. 388 3,158
6-8 p.m. 205 2,012
8-10 p.m. 103 656
10-12 p.m. 143 573
__________ _____________ _________________
Total: 2,431 18,013
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 8
Irvine 9
Los Angeles 11
Riverside 0
San Diego 6
San Francisco 0
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 11
Searchlight 975
Other - UC 1,403
Other-Network UC 7
_____
2,431
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 1
Irvine 64
Los Angeles 23
Riverside 0
San Diego 147
San Francisco 0
Santa Barbara 50
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 17,713
Other-Network UC 15
_____
18,013
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 3.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.6
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:41
Longest session recorded (minutes:seconds) 108:55
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 534.7
Retrievals per search - standard deviation 3827.0
Percent of searches completed with 0 results 36.1%
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 2,431 30.6%
PRESENT 4,029 50.7%
INIT or CLOSE 1,475 18.6%
OTHER 12 0.2%
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 92 2.8% 46 50.0% 3 101.6 291.8
TITLE WORD 180 5.5% 84 46.7% 10 231.7 701.2
EXACT TITLE 16 0.5% 11 68.8% 1 1.2 0.4
JOURNAL TITLE 8 0.2% 7 87.5% 68 68.0 0.0
EXACT JOURNAL 276 8.5% 25 9.1% 11 54.0 295.1
SUBJECT WORD 337 10.4% 80 23.7% 13 68.4 353.1
EXACT SUBJECT 81 2.5% 15 18.5% 3 147.4 413.9
KEYWORD 1,758 54.1% 659 37.5% 12 1133.4 5627.3
DATE 312 9.6% 51 16.3% 13 48.0 255.7
ADDED SINCE 33 1.0% 29 87.9% 3 3.8 2.2
PUB TYPE 5 0.2% 3 60.0% 5 4.5 0.7
SUBFILE 2 0.1% 1 50.0% 6 6.0 0.0
ID 14 0.4% 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% 0 0.0% 15 15.0 0.0
ARTICLE 7 0.2% 5 71.4% 14 13.5 16.3
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 129 4.0% 40 31.0% 26 910.9 6205.1
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 532 21.9% 139 26.1% 13 246.4 2971.4
Single 1,899 78.1% 739 38.9% 10 1037.0 5217.6
PRESENT commands, by type:
MARC 50.2%
OPAC 30.0%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (