MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 12/15/01 through 12/21/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 74 101
2-4 a.m. 5 0
4-6 a.m. 9 45
6-8 a.m. 6 0
8-10 a.m. 54 226
10-12 a.m. 127 398
12-2 p.m. 111 478
2-4 p.m. 205 4,807
4-6 p.m. 88 463
6-8 p.m. 48 490
8-10 p.m. 66 1,125
10-12 p.m. 88 1,858
__________ _____________ _________________
Total: 881 9,991
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 6
Irvine 0
Los Angeles 2
Riverside 0
San Diego 8
San Francisco 0
Santa Barbara 75
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 326
Other - UC 445
Other-Network UC 17
_____
881
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 42
Irvine 0
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 1,973
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 7,916
Other-Network UC 60
_____
9,991
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 0.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 5:43
Longest session recorded (minutes:seconds) 128:54
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 646.5
Retrievals per search - standard deviation 6854.4
Percent of searches completed with 0 results 42.6%
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 881 18.0%
PRESENT 3,370 68.9%
INIT or CLOSE 639 13.1%
OTHER 4 0.1%
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 66 6.5% 33 50.0% 116 227.9 336.3
TITLE WORD 138 13.5% 31 22.5% 2 198.7 759.1
EXACT TITLE 3 0.3% 1 33.3% 1 1.0 0.0
JOURNAL TITLE 2 0.2% 2 100% 0 0.0 0.0
EXACT JOURNAL 22 2.2% 6 27.3% 3 110.7 363.5
SUBJECT WORD 43 4.2% 29 67.4% 64 81.4 112.6
EXACT SUBJECT 19 1.9% 4 21.1% 5 187.9 672.3
KEYWORD 624 61.1% 289 46.3% 16 1602.5 11049.0
DATE 40 3.9% 6 15.0% 11 27.5 71.4
ADDED SINCE 29 2.8% 25 86.2% 1 2.0 2.0
PUB TYPE 2 0.2% 2 100% 0 0.0 0.0
SUBFILE 2 0.2% 2 100% 0 0.0 0.0
ID 3 0.3% 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 1 0.1% 0 0.0% 13 13.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 26 2.5% 8 30.8% 5 131.5 246.1
Other indexes 1 0.1% 1 100% 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 111 12.6% 46 41.4% 10 77.4 227.8
Single 770 87.4% 329 42.7% 11 1280.1 9651.5
PRESENT commands, by type:
MARC 77.8%
OPAC 5.5%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (