MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 03/16/02 through 03/22/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 87 896
2-4 a.m. 28 285
4-6 a.m. 12 32
6-8 a.m. 22 411
8-10 a.m. 137 1,595
10-12 a.m. 233 1,328
12-2 p.m. 289 2,310
2-4 p.m. 410 3,245
4-6 p.m. 296 3,766
6-8 p.m. 181 1,595
8-10 p.m. 188 1,602
10-12 p.m. 142 1,193
__________ _____________ _________________
Total: 2,025 18,258
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 7
Irvine 1
Los Angeles 9
Riverside 0
San Diego 0
San Francisco 1
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 820
Searchlight 998
Other - UC 186
Other-Network UC 1
_____
2,025
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 6
Irvine 0
Los Angeles 29
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 16,743
Searchlight 10
Other - UC 1,470
Other-Network UC 0
_____
18,258
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 0.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.2
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:03
Average session length (minutes:seconds) 6:11
Longest session recorded (minutes:seconds) 77:22
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 1263.6
Retrievals per search - standard deviation 8888.2
Percent of searches completed with 0 results 39.9%
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 2,025 28.8%
PRESENT 3,513 49.9%
INIT or CLOSE 1,469 20.9%
OTHER 36 0.5%
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 98 4.2% 44 44.9% 9 113.2 350.2
TITLE WORD 194 8.3% 72 37.1% 20 802.7 3816.7
EXACT TITLE 15 0.6% 7 46.7% 1 8.4 19.7
JOURNAL TITLE 6 0.3% 2 33.3% 1 1.0 0.0
EXACT JOURNAL 57 2.4% 17 29.8% 15 572.0 2368.0
SUBJECT WORD 110 4.7% 58 52.7% 21 466.1 1088.6
EXACT SUBJECT 62 2.7% 8 12.9% 5 1650.1 11858.1
KEYWORD 1,576 67.6% 639 40.5% 31 2498.5 12564.3
DATE 63 2.7% 17 27.0% 15 115.8 419.6
ADDED SINCE 21 0.9% 20 95.2% 2 2.0 0.0
PUB TYPE 2 0.1% 2 100% 0 0.0 0.0
SUBFILE 3 0.1% 2 66.7% 77 77.0 0.0
ID 10 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 2 0.1% 1 50.0% 4 4.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 114 4.9% 39 34.2% 27 350.0 1216.4
Other indexes 0 0.0% 0 0.0% 0 0.0 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 245 12.1% 93 38.0% 14 347.6 1501.2
Single 1,780 87.9% 716 40.2% 25 2355.2 12147.9
PRESENT commands, by type:
MARC 51.0%
OPAC 23.6%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (