MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 12/23/00 through 12/29/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 8 0
2-4 a.m. 4 0
4-6 a.m. 6 21
6-8 a.m. 10 0
8-10 a.m. 24 238
10-12 a.m. 36 117
12-2 p.m. 26 21
2-4 p.m. 52 316
4-6 p.m. 33 303
6-8 p.m. 15 2
8-10 p.m. 15 1,729
10-12 p.m. 17 425
__________ _____________ _________________
Total: 246 3,172
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 0
Davis 4
Irvine 0
Los Angeles 5
Riverside 0
San Diego 15
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 69
Searchlight 147
Other - UC 6
Other-Network UC 0
_____
246
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 0
Riverside 0
San Diego 64
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,966
Searchlight 0
Other - UC 142
Other-Network UC 0
_____
3,172
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.3
Standard deviation in seconds 0.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.2
2.0 COMPUTER ARTICLES Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 0:05
Average session length (minutes:seconds) 3:52
Longest session recorded (minutes:seconds) 68:31
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 636.8
Retrievals per search - standard deviation 5286.8
Percent of searches completed with 0 results 61.8%
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 246 27.4%
PRESENT 464 51.7%
INIT or CLOSE 187 20.8%
OTHER 0 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 24 8.2% 17 70.8% 9 71.0 113.8
TITLE WORD 22 7.5% 13 59.1% 10 238.8 523.6
EXACT TITLE 0 0.0% 0 0.0% 0 0.0 0.0
JOURNAL TITLE 3 1.0% 2 66.7% 3,576 3576.0 0.0
EXACT JOURNAL 4 1.4% 1 25.0% 148 864.0 1240.1
SUBJECT WORD 7 2.4% 6 85.7% 1 1.0 0.0
EXACT SUBJECT 5 1.7% 1 20.0% 387 379.3 419.1
KEYWORD 190 64.6% 121 63.7% 18 2120.7 9863.2
DATE 12 4.1% 9 75.0% 148 99.0 84.9
ADDED SINCE 9 3.1% 9 100% 0 0.0 0.0
PUB TYPE 3 1.0% 3 100% 0 0.0 0.0
SUBFILE 3 1.0% 3 100% 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 0 0.0% 0 0.0% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 12 4.1% 4 33.3% 211 1643.4 2703.2
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 37 15.0% 26 70.3% 148 1222.2 2374.2
Single 209 85.0% 126 60.3% 17 1725.5 8990.3
PRESENT commands, by type:
MARC 46.8%
OPAC 10.3%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w