MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 04/01/02 through 04/30/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 483 4,780
2-4 a.m. 154 688
4-6 a.m. 47 70
6-8 a.m. 142 370
8-10 a.m. 671 4,956
10-12 a.m. 1,485 10,498
12-2 p.m. 2,252 19,725
2-4 p.m. 2,666 24,603
4-6 p.m. 2,196 23,274
6-8 p.m. 1,308 13,683
8-10 p.m. 1,098 12,271
10-12 p.m. 890 9,190
__________ _____________ _________________
Total: 13,392 124,108
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 51
Irvine 2
Los Angeles 16
Riverside 4
San Diego 3
San Francisco 9
Santa Barbara 3
Santa Cruz 6
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 5,557
Searchlight 6,976
Other - UC 747
Other-Network UC 6
_____
13,392
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 102
Davis 67
Irvine 28
Los Angeles 18
Riverside 3
San Diego 0
San Francisco 59
Santa Barbara 46
Santa Cruz 5
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 116,650
Searchlight 35
Other - UC 7,081
Other-Network UC 14
_____
124,108
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.4
Standard deviation in seconds 2.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.3
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:03
Average session length (minutes:seconds) 6:23
Longest session recorded (minutes:seconds) 113:15
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 693.2
Retrievals per search - standard deviation 12599
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 13,392 27.8%
PRESENT 25,123 52.1%
INIT or CLOSE 9,643 20.0%
OTHER 41 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 446 2.8% 208 46.6% 13 6004.7 88876.0
TITLE WORD 1,039 6.5% 377 36.3% 9 432.3 2656.3
EXACT TITLE 110 0.7% 79 71.8% 1 8.1 20.1
JOURNAL TITLE 27 0.2% 23 85.2% 7,713 346689 683117
EXACT JOURNAL 477 3.0% 176 36.9% 7 217.8 1093.6
SUBJECT WORD 716 4.5% 415 58.0% 10 355.4 1637.6
EXACT SUBJECT 485 3.0% 80 16.5% 10 472.4 2931.3
KEYWORD 10,833 67.4% 4,380 40.4% 23 1124.9 6020.5
DATE 570 3.5% 200 35.1% 10 70.1 206.5
ADDED SINCE 119 0.7% 99 83.2% 2 95.4 306.0
PUB TYPE 26 0.2% 13 50.0% 23 26.2 32.2
SUBFILE 16 0.1% 6 37.5% 28 188.1 307.2
ID 49 0.3% 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 1 0.0% 0 0.0% 416 416.0 0.0
ARTICLE 26 0.2% 18 69.2% 2 11.6 18.5
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 1,104 6.9% 306 27.7% 26 808.3 5136.1
Other indexes 19 0.1% 13 68.4% 12 17.7 17.9
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 1,901 14.2% 666 35.0% 17 1680.4 39226.9
Single 11,491 85.8% 4,712 41.0% 19 1063.3 5723.6
PRESENT commands, by type:
MARC 47.0%
OPAC 33.4%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (