MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 01/19/02 through 01/25/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 51 111
2-4 a.m. 17 8
4-6 a.m. 5 44
6-8 a.m. 21 35
8-10 a.m. 113 746
10-12 a.m. 429 3,209
12-2 p.m. 361 5,520
2-4 p.m. 527 4,259
4-6 p.m. 333 6,956
6-8 p.m. 220 1,980
8-10 p.m. 134 1,789
10-12 p.m. 78 1,258
__________ _____________ _________________
Total: 2,289 25,915
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 1
Irvine 0
Los Angeles 4
Riverside 0
San Diego 9
San Francisco 1
Santa Barbara 0
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,312
Searchlight 847
Other - UC 114
Other-Network UC 0
_____
2,289
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 0
San Francisco 8
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 25,879
Searchlight 28
Other - UC 0
Other-Network UC 0
_____
25,915
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 1.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.4
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:02
Average session length (minutes:seconds) 8:37
Longest session recorded (minutes:seconds) 85:17
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 692.2
Retrievals per search - standard deviation 5442.6
Percent of searches completed with 0 results 36.7%
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 2,289 26.2%
PRESENT 5,025 57.4%
INIT or CLOSE 1,419 16.2%
OTHER 18 0.2%
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 84 3.0% 50 59.5% 9 188.4 456.3
TITLE WORD 182 6.4% 55 30.2% 7 97.6 366.8
EXACT TITLE 14 0.5% 6 42.9% 1 77.1 201.3
JOURNAL TITLE 10 0.4% 10 100% 0 0.0 0.0
EXACT JOURNAL 72 2.5% 18 25.0% 15 440.6 960.7
SUBJECT WORD 205 7.2% 111 54.1% 12 437.0 1809.3
EXACT SUBJECT 105 3.7% 23 21.9% 8 117.3 506.7
KEYWORD 1,771 62.6% 622 35.1% 30 1319.7 7611.0
DATE 73 2.6% 32 43.8% 9 47.7 80.1
ADDED SINCE 31 1.1% 27 87.1% 1 1.5 1.0
PUB TYPE 14 0.5% 9 64.3% 5 14.8 22.5
SUBFILE 6 0.2% 2 33.3% 2 3.8 4.2
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 18 0.6% 13 72.2% 2 4.0 5.6
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 245 8.7% 76 31.0% 17 653.6 4024.9
Other indexes 1 0.0% 0 0.0% 12 12.0 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 430 18.8% 154 35.8% 13 490.2 3183.5
Single 1,859 81.2% 687 37.0% 27 1236.5 7405.9
PRESENT commands, by type:
MARC 42.7%
OPAC 44.0%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (