MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 05/19/01 through 05/25/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 137 1,332
2-4 a.m. 101 775
4-6 a.m. 6 44
6-8 a.m. 45 172
8-10 a.m. 307 2,751
10-12 a.m. 770 6,345
12-2 p.m. 914 7,521
2-4 p.m. 1,120 15,542
4-6 p.m. 1,000 11,564
6-8 p.m. 646 7,272
8-10 p.m. 550 7,447
10-12 p.m. 410 4,066
__________ _____________ _________________
Total: 6,006 64,831
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 50
Riverside 0
San Diego 7
San Francisco 0
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,189
Searchlight 2,721
Other - UC 34
Other-Network UC 0
_____
6,006
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 1
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 64,540
Searchlight 30
Other - UC 260
Other-Network UC 0
_____
64,831
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 2.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.6
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:58
Longest session recorded (minutes:seconds) 111:57
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 360.1
Retrievals per search - standard deviation 3864.9
Percent of searches completed with 0 results 40.2%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 6,006 27.0%
PRESENT 12,259 55.2%
INIT or CLOSE 3,951 17.8%
OTHER 4 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 210 2.8% 110 52.4% 10 257.2 536.7
TITLE WORD 391 5.2% 151 38.6% 8 293.3 1685.4
EXACT TITLE 34 0.4% 21 61.8% 1 11.8 28.5
JOURNAL TITLE 7 0.1% 6 85.7% 10 10.0 0.0
EXACT JOURNAL 205 2.7% 53 25.9% 12 233.2 1044.0
SUBJECT WORD 493 6.5% 248 50.3% 11 281.1 1063.7
EXACT SUBJECT 232 3.1% 60 25.9% 10 887.3 6785.0
KEYWORD 4,869 64.1% 1,960 40.3% 15 634.3 5253.7
DATE 309 4.1% 119 38.5% 9 144.1 358.5
ADDED SINCE 54 0.7% 34 63.0% 4 161.9 523.7
PUB TYPE 25 0.3% 18 72.0% 6 15.1 18.7
SUBFILE 1 0.0% 1 100% 0 0.0 0.0
ID 2 0.0% 0 0.0% 1 1.0 0.0
ISSN 1 0.0% 1 100% 0 0.0 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 5 0.1% 3 60.0% 26 25.5 27.6
ARTICLE 16 0.2% 3 18.8% 4 153.2 244.2
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 727 9.6% 223 30.7% 18 557.2 2912.6
Other indexes 11 0.1% 7 63.6% 23 48.5 66.6
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 1,148 19.1% 412 35.9% 14 433.2 2463.6
Single 4,858 80.9% 2,005 41.3% 14 646.3 5449.2
PRESENT commands, by type:
MARC 44.6%
OPAC 40.0%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (