MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 12/30/00 through 01/05/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 61 53
2-4 a.m. 10 28
4-6 a.m. 1 0
6-8 a.m. 13 52
8-10 a.m. 102 618
10-12 a.m. 172 1,635
12-2 p.m. 251 2,386
2-4 p.m. 248 1,837
4-6 p.m. 138 681
6-8 p.m. 53 433
8-10 p.m. 32 75
10-12 p.m. 34 77
__________ _____________ _________________
Total: 1,115 7,875
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 5
Davis 1
Irvine 0
Los Angeles 23
Riverside 0
San Diego 9
San Francisco 2
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 447
Searchlight 594
Other - UC 31
Other-Network UC 3
_____
1,115
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 17
Davis 0
Irvine 0
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 7,619
Searchlight 29
Other - UC 210
Other-Network UC 0
_____
7,875
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.9
Standard deviation in seconds 5.5
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) 5:31
Longest session recorded (minutes:seconds) 80:05
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 542.1
Retrievals per search - standard deviation 6454.3
Percent of searches completed with 0 results 45.3%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 1,115 32.2%
PRESENT 1,564 45.1%
INIT or CLOSE 776 22.4%
OTHER 12 0.3%
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 85 5.8% 50 58.8% 5 190.9 450.6
TITLE WORD 139 9.6% 39 28.1% 2 165.6 589.0
EXACT TITLE 14 1.0% 8 57.1% 1 3.3 3.8
JOURNAL TITLE 3 0.2% 3 100% 0 0.0 0.0
EXACT JOURNAL 106 7.3% 26 24.5% 2 117.4 399.6
SUBJECT WORD 87 6.0% 52 59.8% 4 325.1 1604.2
EXACT SUBJECT 29 2.0% 7 24.1% 7 113.8 329.2
KEYWORD 801 55.1% 367 45.8% 13 1309.0 10290.5
DATE 103 7.1% 44 42.7% 5 154.7 455.5
ADDED SINCE 39 2.7% 30 76.9% 1 10.6 26.1
PUB TYPE 4 0.3% 2 50.0% 21 21.0 18.4
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 43 3.0% 13 30.2% 8 216.9 799.9
Other indexes 1 0.1% 0 0.0% 30 30.0 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 231 20.7% 89 38.5% 4 125.8 477.9
Single 884 79.3% 416 47.1% 13 1253.3 9921.0
PRESENT commands, by type:
MARC 45.6%
OPAC 36.0%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (