MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 11/17/01 through 11/23/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 138 960
2-4 a.m. 49 290
4-6 a.m. 26 629
6-8 a.m. 27 324
8-10 a.m. 179 3,897
10-12 a.m. 565 6,452
12-2 p.m. 779 9,052
2-4 p.m. 775 8,528
4-6 p.m. 664 6,358
6-8 p.m. 293 4,355
8-10 p.m. 302 2,797
10-12 p.m. 199 2,328
__________ _____________ _________________
Total: 3,996 45,970
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 2
Davis 0
Irvine 0
Los Angeles 19
Riverside 0
San Diego 0
San Francisco 1
Santa Barbara 2
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 1,940
Other - UC 2,023
Other-Network UC 8
_____
3,996
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 451
Davis 0
Irvine 0
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 21
Santa Barbara 19
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 45,477
Other-Network UC 2
_____
45,970
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 10.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 1.0
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:18
Longest session recorded (minutes:seconds) 102:17
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 395.9
Retrievals per search - standard deviation 3726.0
Percent of searches completed with 0 results 36.8%
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 3,996 25.1%
PRESENT 9,135 57.3%
INIT or CLOSE 2,782 17.5%
OTHER 18 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 146 3.0% 70 47.9% 8 256.6 544.7
TITLE WORD 278 5.7% 91 32.7% 6 172.6 982.9
EXACT TITLE 35 0.7% 27 77.1% 1 1.0 0.0
JOURNAL TITLE 11 0.2% 11 100% 0 0.0 0.0
EXACT JOURNAL 101 2.1% 27 26.7% 6 116.1 392.8
SUBJECT WORD 271 5.6% 146 53.9% 11 381.6 2194.8
EXACT SUBJECT 145 3.0% 36 24.8% 15 1038.1 8283.7
KEYWORD 3,216 66.3% 1,158 36.0% 17 664.6 4770.9
DATE 177 3.6% 47 26.6% 10 116.3 320.8
ADDED SINCE 35 0.7% 27 77.1% 13 116.3 254.3
PUB TYPE 2 0.0% 2 100% 0 0.0 0.0
SUBFILE 11 0.2% 2 18.2% 40 82.1 149.5
ID 17 0.4% 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 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 9 0.2% 6 66.7% 1 1.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 383 7.9% 78 20.4% 18 880.0 10008.8
Other indexes 15 0.3% 12 80.0% 1,769 1769.0 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 648 16.2% 201 31.0% 13 632.7 8273.4
Single 3,348 83.8% 1,268 37.9% 16 624.6 3437.8
PRESENT commands, by type:
MARC 47.5%
OPAC 36.8%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (