MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 04/07/01 through 04/13/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 110 593
2-4 a.m. 29 422
4-6 a.m. 15 157
6-8 a.m. 20 152
8-10 a.m. 257 3,310
10-12 a.m. 559 4,989
12-2 p.m. 721 8,058
2-4 p.m. 849 9,781
4-6 p.m. 600 7,239
6-8 p.m. 335 2,865
8-10 p.m. 242 1,807
10-12 p.m. 194 3,341
__________ _____________ _________________
Total: 3,931 42,714
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 4
Davis 8
Irvine 1
Los Angeles 12
Riverside 0
San Diego 30
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 1
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,908
Searchlight 1,839
Other - UC 123
Other-Network UC 5
_____
3,931
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 2
Davis 13
Irvine 3
Los Angeles 0
Riverside 0
San Diego 10
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 41,269
Searchlight 85
Other - UC 1,272
Other-Network UC 60
_____
42,714
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.6
Standard deviation in seconds 2.0
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) 7:23
Longest session recorded (minutes:seconds) 91:34
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 418.1
Retrievals per search - standard deviation 3835.3
Percent of searches completed with 0 results 39.0%
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 3,931 26.3%
PRESENT 8,349 55.9%
INIT or CLOSE 2,651 17.7%
OTHER 8 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 137 2.9% 85 62.0% 4 178.8 413.4
TITLE WORD 323 6.9% 124 38.4% 9 307.7 1767.7
EXACT TITLE 26 0.6% 19 73.1% 1 105.9 179.1
JOURNAL TITLE 5 0.1% 5 100% 0 0.0 0.0
EXACT JOURNAL 92 2.0% 33 35.9% 20 211.5 517.9
SUBJECT WORD 255 5.5% 159 62.4% 22 261.1 1173.3
EXACT SUBJECT 140 3.0% 27 19.3% 5 770.8 7763.2
KEYWORD 3,142 67.3% 1,189 37.8% 16 747.5 5051.0
DATE 158 3.4% 65 41.1% 7 50.0 109.7
ADDED SINCE 43 0.9% 32 74.4% 3 73.8 210.9
PUB TYPE 11 0.2% 9 81.8% 118 117.5 140.7
SUBFILE 13 0.3% 10 76.9% 129 115.7 108.6
ID 12 0.3% 0 0.0% 1 1.0 0.0
ISSN 0 0.0% 0 0.0% 0 0.0 0.0
SIC 2 0.0% 1 50.0% 183 183.0 0.0
ILLUS 7 0.1% 3 42.9% 10 38.3 61.5
ARTICLE 6 0.1% 5 83.3% 1 1.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 288 6.2% 69 24.0% 24 474.1 2412.5
Other indexes 9 0.2% 5 55.6% 61 61.0 62.4
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 566 14.4% 220 38.9% 16 345.2 1938.1
Single 3,365 85.6% 1,315 39.1% 15 743.6 5229.0
PRESENT commands, by type:
MARC 44.7%
OPAC 33.0%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (