MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 09/08/01 through 09/14/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 38 53
2-4 a.m. 8 14
4-6 a.m. 3 0
6-8 a.m. 15 183
8-10 a.m. 93 1,014
10-12 a.m. 258 2,172
12-2 p.m. 246 2,174
2-4 p.m. 273 1,793
4-6 p.m. 167 1,262
6-8 p.m. 85 854
8-10 p.m. 53 446
10-12 p.m. 64 1,160
__________ _____________ _________________
Total: 1,303 11,125
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 10
Davis 32
Irvine 1
Los Angeles 27
Riverside 0
San Diego 6
San Francisco 0
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 570
Other - UC 641
Other-Network UC 15
_____
1,303
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 200
Davis 0
Irvine 0
Los Angeles 1
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 2
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 10,871
Other-Network UC 51
_____
11,125
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 4.7
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
_________________________________________
Median session length (minutes:seconds) 0:05
Average session length (minutes:seconds) 7:16
Longest session recorded (minutes:seconds) 93:47
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 565.5
Retrievals per search - standard deviation 5738.4
Percent of searches completed with 0 results 39.5%
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 1,303 28.4%
PRESENT 2,336 50.9%
INIT or CLOSE 948 20.7%
OTHER 2 0.0%
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 136 8.3% 78 57.4% 5 174.4 383.0
TITLE WORD 137 8.4% 52 38.0% 5 617.9 3216.1
EXACT TITLE 15 0.9% 7 46.7% 1 3.9 7.4
JOURNAL TITLE 5 0.3% 5 100% 0 0.0 0.0
EXACT JOURNAL 69 4.2% 4 5.8% 10 2308.0 17490.3
SUBJECT WORD 85 5.2% 51 60.0% 4 131.8 394.5
EXACT SUBJECT 60 3.7% 8 13.3% 10 60.0 148.3
KEYWORD 931 57.0% 351 37.7% 14 909.4 6161.5
DATE 88 5.4% 36 40.9% 3 87.6 312.6
ADDED SINCE 38 2.3% 28 73.7% 2 4.4 4.9
PUB TYPE 7 0.4% 2 28.6% 2 3.0 2.9
SUBFILE 2 0.1% 1 50.0% 2 2.0 0.0
ID 2 0.1% 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 3 0.2% 0 0.0% 440 423.3 28.9
ARTICLE 4 0.2% 0 0.0% 121 338.0 510.7
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 48 2.9% 9 18.8% 18 1004.3 5631.9
Other indexes 2 0.1% 1 50.0% 39 39.0 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 237 18.2% 91 38.4% 8 355.2 2923.7
Single 1,066 81.8% 424 39.8% 13 1066.9 8027.1
PRESENT commands, by type:
MARC 46.9%
OPAC 23.5%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (