MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 03/31/01 through 04/06/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 82 237
2-4 a.m. 12 334
4-6 a.m. 10 3
6-8 a.m. 11 165
8-10 a.m. 128 538
10-12 a.m. 431 3,836
12-2 p.m. 484 5,136
2-4 p.m. 616 5,704
4-6 p.m. 442 2,209
6-8 p.m. 215 2,605
8-10 p.m. 219 2,361
10-12 p.m. 85 931
__________ _____________ _________________
Total: 2,735 24,059
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1
Davis 5
Irvine 0
Los Angeles 37
Riverside 0
San Diego 10
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,131
Searchlight 1,489
Other - UC 52
Other-Network UC 10
_____
2,735
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 2
Davis 0
Irvine 0
Los Angeles 3
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 22,973
Searchlight 183
Other - UC 581
Other-Network UC 317
_____
24,059
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 1.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.5
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 6:07
Longest session recorded (minutes:seconds) 137:24
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 317.5
Retrievals per search - standard deviation 2028.1
Percent of searches completed with 0 results 44.5%
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 2,735 27.9%
PRESENT 5,024 51.3%
INIT or CLOSE 2,025 20.7%
OTHER 1 0.0%
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 129 4.1% 89 69.0% 4 79.3 206.6
TITLE WORD 184 5.8% 75 40.8% 9 181.5 602.9
EXACT TITLE 14 0.4% 12 85.7% 5 5.0 5.7
JOURNAL TITLE 3 0.1% 3 100% 0 0.0 0.0
EXACT JOURNAL 66 2.1% 26 39.4% 8 522.2 2082.4
SUBJECT WORD 192 6.0% 114 59.4% 7 403.4 1723.7
EXACT SUBJECT 93 2.9% 23 24.7% 5 36.9 77.9
KEYWORD 2,188 68.7% 950 43.4% 15 645.2 2923.9
DATE 115 3.6% 59 51.3% 8 24.0 64.9
ADDED SINCE 38 1.2% 28 73.7% 3 8.9 14.7
PUB TYPE 5 0.2% 3 60.0% 6 5.5 2.1
SUBFILE 5 0.2% 2 40.0% 6 5.3 4.0
ID 1 0.0% 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 1 0.0% 1 100% 0 0.0 0.0
ARTICLE 3 0.1% 2 66.7% 5 5.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 138 4.3% 44 31.9% 13 657.0 3182.4
Other indexes 8 0.3% 7 87.5% 166 166.0 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 335 12.2% 164 49.0% 8 415.9 2411.7
Single 2,400 87.8% 1,053 43.9% 14 592.0 2730.0
PRESENT commands, by type:
MARC 49.8%
OPAC 22.6%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (