MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 12/09/00 through 12/15/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 91 576
2-4 a.m. 27 101
4-6 a.m. 9 192
6-8 a.m. 23 24
8-10 a.m. 147 1,114
10-12 a.m. 290 1,904
12-2 p.m. 428 3,004
2-4 p.m. 507 4,588
4-6 p.m. 294 1,800
6-8 p.m. 205 2,780
8-10 p.m. 140 708
10-12 p.m. 94 745
__________ _____________ _________________
Total: 2,255 17,536
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 3
Davis 0
Irvine 0
Los Angeles 28
Riverside 0
San Diego 8
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 853
Searchlight 1,252
Other - UC 108
Other-Network UC 3
_____
2,255
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 33
Davis 0
Irvine 0
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 15,639
Searchlight 54
Other - UC 1,396
Other-Network UC 414
_____
17,536
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.5
Standard deviation in seconds 1.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:03
Average session length (minutes:seconds) 5:41
Longest session recorded (minutes:seconds) 117:42
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 409.3
Retrievals per search - standard deviation 4042.3
Percent of searches completed with 0 results 43.5%
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 2,255 29.3%
PRESENT 3,806 49.4%
INIT or CLOSE 1,634 21.2%
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 122 4.6% 68 55.7% 12 202.0 495.9
TITLE WORD 234 8.9% 94 40.2% 9 640.7 3342.7
EXACT TITLE 11 0.4% 8 72.7% 1 7.0 10.4
JOURNAL TITLE 7 0.3% 7 100% 0 0.0 0.0
EXACT JOURNAL 76 2.9% 27 35.5% 72 843.8 1316.1
SUBJECT WORD 150 5.7% 84 56.0% 9 156.3 843.0
EXACT SUBJECT 69 2.6% 22 31.9% 11 123.5 386.2
KEYWORD 1,732 65.8% 744 43.0% 13 816.4 5943.7
DATE 73 2.8% 23 31.5% 26 705.0 1109.1
ADDED SINCE 38 1.4% 28 73.7% 1 1.8 1.9
PUB TYPE 3 0.1% 1 33.3% 382 382.0 536.0
SUBFILE 1 0.0% 0 0.0% 9 9.0 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 1 0.0% 1 100% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 104 3.9% 35 33.7% 25 957.8 3592.6
Other indexes 3 0.1% 2 66.7% 60 60.0 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 277 12.3% 120 43.3% 15 641.1 2478.0
Single 1,978 87.7% 861 43.5% 13 736.1 5646.4
PRESENT commands, by type:
MARC 54.1%
OPAC 22.8%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (