MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 12/01/00 through 12/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 316 2,046
2-4 a.m. 139 501
4-6 a.m. 52 321
6-8 a.m. 111 590
8-10 a.m. 616 5,583
10-12 a.m. 1,220 9,794
12-2 p.m. 1,580 15,087
2-4 p.m. 2,011 27,444
4-6 p.m. 1,507 14,831
6-8 p.m. 947 10,794
8-10 p.m. 719 8,193
10-12 p.m. 509 5,753
__________ _____________ _________________
Total: 9,727 100,937
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 12
Davis 1
Irvine 1
Los Angeles 57
Riverside 0
San Diego 40
San Francisco 1
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 4,455
Searchlight 4,822
Other - UC 333
Other-Network UC 5
_____
9,727
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 96
Davis 9
Irvine 27
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 95,732
Searchlight 190
Other - UC 4,455
Other-Network UC 428
_____
100,937
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 2.6
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) 0:03
Average session length (minutes:seconds) 6:49
Longest session recorded (minutes:seconds) 181:23
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 388.4
Retrievals per search - standard deviation 3354.2
Percent of searches completed with 0 results 40.1%
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 9,727 26.9%
PRESENT 19,844 54.8%
INIT or CLOSE 6,587 18.2%
OTHER 43 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 416 3.5% 211 50.7% 13 242.0 544.4
TITLE WORD 875 7.3% 306 35.0% 8 332.5 1825.5
EXACT TITLE 79 0.7% 47 59.5% 1 265.4 931.9
JOURNAL TITLE 27 0.2% 26 96.3% 76 76.0 0.0
EXACT JOURNAL 409 3.4% 109 26.6% 21 434.2 1221.1
SUBJECT WORD 805 6.7% 406 50.4% 16 444.4 2694.7
EXACT SUBJECT 390 3.3% 67 17.2% 17 164.2 518.5
KEYWORD 7,427 62.1% 2,999 40.4% 16 742.5 4821.2
DATE 529 4.4% 149 28.2% 14 287.3 1279.8
ADDED SINCE 187 1.6% 142 75.9% 2 473.4 3137.0
PUB TYPE 51 0.4% 31 60.8% 8 97.7 207.3
SUBFILE 9 0.1% 4 44.4% 9 15.2 22.0
ID 33 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 5 0.0% 3 60.0% 8 7.5 7.8
ARTICLE 6 0.1% 2 33.3% 2 5.5 7.7
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 687 5.7% 171 24.9% 31 774.5 4246.4
Other indexes 15 0.1% 9 60.0% 11 16.8 21.5
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 1,559 16.0% 536 34.4% 17 519.2 3150.5
Single 8,168 84.0% 3,365 41.2% 15 676.0 4524.0
PRESENT commands, by type:
MARC 47.1%
OPAC 32.7%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (