MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 08/25/01 through 08/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 21 111
2-4 a.m. 2 10
4-6 a.m. 0 0
6-8 a.m. 12 51
8-10 a.m. 65 656
10-12 a.m. 135 1,738
12-2 p.m. 125 421
2-4 p.m. 151 721
4-6 p.m. 116 564
6-8 p.m. 37 395
8-10 p.m. 30 97
10-12 p.m. 22 382
__________ _____________ _________________
Total: 716 5,146
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 5
Irvine 1
Los Angeles 13
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 384
Other - UC 305
Other-Network UC 5
_____
716
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 0
Los Angeles 1
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 22
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 5,123
Other-Network UC 0
_____
5,146
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 0.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.9
2.0 COMPUTER ARTICLES Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 0:08
Average session length (minutes:seconds) 5:14
Longest session recorded (minutes:seconds) 66:07
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 728.5
Retrievals per search - standard deviation 8370.5
Percent of searches completed with 0 results 60.2%
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 716 32.6%
PRESENT 949 43.2%
INIT or CLOSE 522 23.8%
OTHER 9 0.4%
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 63 7.5% 51 80.9% 9 25.9 33.8
TITLE WORD 106 12.7% 67 63.2% 16 304.2 704.4
EXACT TITLE 6 0.7% 6 100% 0 0.0 0.0
JOURNAL TITLE 24 2.9% 23 95.8% 1,993 1993.0 0.0
EXACT JOURNAL 37 4.4% 10 27.0% 2,204 8490.0 11810.8
SUBJECT WORD 35 4.2% 21 60.0% 5 8.4 13.2
EXACT SUBJECT 6 0.7% 3 50.0% 3 2.3 1.2
KEYWORD 495 59.1% 302 61.0% 12 1441.3 15219.9
DATE 20 2.4% 14 70.0% 31 385.7 891.0
ADDED SINCE 10 1.2% 6 60.0% 5 5.8 5.6
PUB TYPE 3 0.4% 0 0.0% 34 79.7 108.0
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 3 0.4% 0 0.0% 34 55.3 50.5
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 29 3.5% 14 48.3% 5 543.7 1545.6
Other indexes 0 0.0% 0 0.0% 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 97 13.5% 70 72.2% 12 402.2 1215.7
Single 619 86.4% 361 58.3% 16 1979.7 13867.4
PRESENT commands, by type:
MARC 45.5%
OPAC 29.0%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w