MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 07/01/00 through 07/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 188 1,607
2-4 a.m. 85 204
4-6 a.m. 25 110
6-8 a.m. 103 2,940
8-10 a.m. 778 8,030
10-12 a.m. 1,618 22,781
12-2 p.m. 2,010 24,317
2-4 p.m. 2,381 21,201
4-6 p.m. 1,887 18,415
6-8 p.m. 832 6,011
8-10 p.m. 352 5,019
10-12 p.m. 243 4,869
__________ _____________ _________________
Total: 10,502 115,504
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 7
Irvine 0
Los Angeles 3
Riverside 0
San Diego 528
San Francisco 0
Santa Barbara 6
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 7,098
Searchlight 2,574
Other - UC 260
Other-Network UC 25
_____
10,502
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 35
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 14
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 111,760
Searchlight 138
Other - UC 2,692
Other-Network UC 865
_____
115,504
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.9
Standard deviation in seconds 2.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.6
Standard deviation in seconds 1.3
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 6:28
Longest session recorded (minutes:seconds) 255:30
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 710.9
Retrievals per search - standard deviation 7394.3
Percent of searches completed with 0 results 40.0%
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 10,502 26.8%
PRESENT 21,220 54.1%
INIT or CLOSE 7,398 18.8%
OTHER 136 0.3%
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 439 3.4% 207 47.2% 12 176.3 409.0
TITLE WORD 769 6.0% 298 38.8% 5 761.6 4205.0
EXACT TITLE 98 0.8% 64 65.3% 1 24.3 83.6
JOURNAL TITLE 32 0.3% 28 87.5% 24 24.0 24.9
EXACT JOURNAL 347 2.7% 89 25.6% 17 151.3 405.4
SUBJECT WORD 630 5.0% 302 47.9% 11 373.9 1666.5
EXACT SUBJECT 352 2.8% 113 32.1% 8 558.5 5222.5
KEYWORD 8,471 66.6% 3,362 39.7% 25 1330.6 10415.1
DATE 533 4.2% 181 34.0% 11 202.8 879.4
ADDED SINCE 145 1.1% 117 80.7% 3 592.6 2464.1
PUB TYPE 44 0.3% 25 56.8% 6 12.8 24.2
SUBFILE 9 0.1% 6 66.7% 21 16.3 12.7
ID 16 0.1% 2 12.5% 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 3 0.0% 0 0.0% 32 69.0 82.0
ARTICLE 12 0.1% 6 50.0% 9 8.7 7.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 814 6.4% 227 27.9% 31 640.5 2641.2
Other indexes 10 0.1% 8 80.0% 2 1.5 0.7
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 1,608 15.3% 551 34.3% 18 441.9 2050.8
Single 8,894 84.7% 3,655 41.1% 21 1336.0 10390.0
PRESENT commands, by type:
MARC 47.5%
OPAC 31.0%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (