MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 12/02/00 through 12/08/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 141 917
2-4 a.m. 42 291
4-6 a.m. 25 15
6-8 a.m. 38 173
8-10 a.m. 260 1,907
10-12 a.m. 567 5,407
12-2 p.m. 732 9,990
2-4 p.m. 921 16,892
4-6 p.m. 825 10,134
6-8 p.m. 604 7,129
8-10 p.m. 510 7,214
10-12 p.m. 346 4,594
__________ _____________ _________________
Total: 5,011 64,663
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 2
Riverside 0
San Diego 7
San Francisco 1
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,606
Searchlight 2,192
Other - UC 196
Other-Network UC 1
_____
5,011
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 47
Davis 9
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 61,844
Searchlight 36
Other - UC 2,725
Other-Network UC 2
_____
64,663
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 3.1
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
_________________________________________
Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 8:08
Longest session recorded (minutes:seconds) 181:23
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 395.5
Retrievals per search - standard deviation 3390.5
Percent of searches completed with 0 results 35.7%
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 5,011 24.4%
PRESENT 12,337 60.0%
INIT or CLOSE 3,179 15.5%
OTHER 31 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 192 3.0% 82 42.7% 24 282.1 599.3
TITLE WORD 387 6.1% 139 35.9% 10 261.3 770.2
EXACT TITLE 48 0.8% 32 66.7% 1 52.7 122.3
JOURNAL TITLE 17 0.3% 16 94.1% 76 76.0 0.0
EXACT JOURNAL 249 3.9% 61 24.5% 31 422.0 1312.1
SUBJECT WORD 491 7.7% 214 43.6% 17 293.2 1158.1
EXACT SUBJECT 264 4.1% 30 11.4% 19 193.0 579.5
KEYWORD 3,788 59.5% 1,365 36.0% 19 720.1 4808.3
DATE 343 5.4% 83 24.2% 15 262.0 1451.9
ADDED SINCE 50 0.8% 32 64.0% 2 1178.4 4959.1
PUB TYPE 33 0.5% 20 60.6% 9 20.5 27.2
SUBFILE 6 0.1% 4 66.7% 5 5.0 5.7
ID 17 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 4 0.1% 2 50.0% 8 7.5 7.8
ARTICLE 3 0.0% 0 0.0% 2 6.7 9.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 468 7.3% 113 24.1% 32 859.1 4844.9
Other indexes 9 0.1% 6 66.7% 12 8.7 5.8
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 903 18.0% 250 27.7% 20 594.4 3726.1
Single 4,108 82.0% 1,541 37.5% 17 620.8 4329.7
PRESENT commands, by type:
MARC 45.0%
OPAC 36.4%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (