MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 04/13/02 through 04/19/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 116 508
2-4 a.m. 36 192
4-6 a.m. 23 70
6-8 a.m. 32 79
8-10 a.m. 205 1,079
10-12 a.m. 327 2,474
12-2 p.m. 521 4,343
2-4 p.m. 595 4,968
4-6 p.m. 596 8,346
6-8 p.m. 340 3,769
8-10 p.m. 294 2,462
10-12 p.m. 162 2,536
__________ _____________ _________________
Total: 3,247 30,826
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 5
Riverside 1
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,386
Searchlight 1,676
Other - UC 172
Other-Network UC 5
_____
3,247
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 12
Riverside 1
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 28,728
Searchlight 15
Other - UC 2,056
Other-Network UC 14
_____
30,826
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 1.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.3
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 0:03
Average session length (minutes:seconds) 6:35
Longest session recorded (minutes:seconds) 100:06
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 418.4
Retrievals per search - standard deviation 3147.7
Percent of searches completed with 0 results 39.2%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 0.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 3,247 27.6%
PRESENT 6,216 52.9%
INIT or CLOSE 2,276 19.4%
OTHER 9 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 76 1.9% 38 50.0% 38 344.1 738.3
TITLE WORD 274 7.0% 101 36.9% 13 574.2 3254.8
EXACT TITLE 36 0.9% 25 69.4% 1 3.7 7.8
JOURNAL TITLE 5 0.1% 4 80.0% 12,893 12893.0 0.0
EXACT JOURNAL 129 3.3% 49 38.0% 10 83.5 222.0
SUBJECT WORD 178 4.5% 97 54.5% 10 429.0 2481.3
EXACT SUBJECT 105 2.7% 17 16.2% 12 267.3 875.1
KEYWORD 2,621 66.7% 1,036 39.5% 19 741.6 4294.0
DATE 160 4.1% 54 33.7% 10 74.5 239.1
ADDED SINCE 29 0.7% 25 86.2% 5 343.0 678.0
PUB TYPE 1 0.0% 0 0.0% 23 23.0 0.0
SUBFILE 0 0.0% 0 0.0% 0 0.0 0.0
ID 17 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 5 0.1% 1 20.0% 2 9.5 16.3
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 288 7.3% 77 26.7% 23 378.0 1785.5
Other indexes 4 0.1% 3 75.0% 54 54.0 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 494 15.2% 173 35.0% 20 275.2 1457.9
Single 2,753 84.8% 1,101 40.0% 16 768.9 4336.5
PRESENT commands, by type:
MARC 49.3%
OPAC 30.5%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (