MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 07/07/01 through 07/13/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 79 375
2-4 a.m. 11 30
4-6 a.m. 2 8
6-8 a.m. 16 24
8-10 a.m. 127 1,449
10-12 a.m. 347 4,023
12-2 p.m. 402 4,853
2-4 p.m. 577 4,087
4-6 p.m. 331 1,586
6-8 p.m. 113 1,266
8-10 p.m. 93 639
10-12 p.m. 40 236
__________ _____________ _________________
Total: 2,138 18,576
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 2
Irvine 0
Los Angeles 3
Riverside 1
San Diego 10
San Francisco 8
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 40
Searchlight 1,084
Other - UC 981
Other-Network UC 8
_____
2,138
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 16
Davis 0
Irvine 0
Los Angeles 8
Riverside 0
San Diego 14
San Francisco 1
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 18,537
Other-Network UC 0
_____
18,576
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.5
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 0.4
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:03
Average session length (minutes:seconds) 6:31
Longest session recorded (minutes:seconds) 102:52
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 637.7
Retrievals per search - standard deviation 4294.5
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) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 2,138 29.0%
PRESENT 3,672 49.7%
INIT or CLOSE 1,558 21.1%
OTHER 15 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 83 3.3% 52 62.6% 15 246.4 803.7
TITLE WORD 142 5.7% 69 48.6% 14 314.7 1377.0
EXACT TITLE 8 0.3% 6 75.0% 1 1.0 0.0
JOURNAL TITLE 9 0.4% 9 100% 0 0.0 0.0
EXACT JOURNAL 62 2.5% 21 33.9% 8 102.9 241.5
SUBJECT WORD 144 5.8% 80 55.6% 10 246.8 935.6
EXACT SUBJECT 58 2.3% 12 20.7% 7 363.0 1272.6
KEYWORD 1,763 70.6% 722 40.9% 19 1252.2 6072.8
DATE 87 3.5% 32 36.8% 20 113.5 319.2
ADDED SINCE 34 1.4% 27 79.4% 2 4.4 5.4
PUB TYPE 3 0.1% 3 100% 0 0.0 0.0
SUBFILE 3 0.1% 2 66.7% 1 1.0 0.0
ID 0 0.0% 0 0.0% 0 0.0 0.0
ISSN 1 0.0% 1 100% 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 2 0.1% 1 50.0% 19 19.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 97 3.9% 29 29.9% 26 348.2 705.3
Other indexes 1 0.0% 0 0.0% 78 78.0 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 267 12.5% 115 43.1% 19 223.4 563.1
Single 1,871 87.5% 791 42.3% 18 1231.1 5980.3
PRESENT commands, by type:
MARC 41.9%
OPAC 37.8%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (