MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 12/16/00 through 12/22/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 40 209
2-4 a.m. 19 24
4-6 a.m. 11 60
6-8 a.m. 23 322
8-10 a.m. 82 1,594
10-12 a.m. 194 761
12-2 p.m. 216 736
2-4 p.m. 294 3,391
4-6 p.m. 214 2,032
6-8 p.m. 52 267
8-10 p.m. 50 242
10-12 p.m. 16 18
__________ _____________ _________________
Total: 1,211 9,656
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 0
Irvine 1
Los Angeles 7
Riverside 0
San Diego 11
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 502
Searchlight 670
Other - UC 19
Other-Network UC 1
_____
1,211
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 27
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 9,305
Searchlight 49
Other - UC 263
Other-Network UC 12
_____
9,656
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 1.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.4
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:03
Average session length (minutes:seconds) 5:16
Longest session recorded (minutes:seconds) 71:06
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 349.8
Retrievals per search - standard deviation 2665.7
Percent of searches completed with 0 results 45.0%
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 1,211 30.2%
PRESENT 1,945 48.6%
INIT or CLOSE 848 21.2%
OTHER 0 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 35 2.5% 16 45.7% 20 69.2 187.8
TITLE WORD 140 9.8% 33 23.6% 4 124.6 501.5
EXACT TITLE 11 0.8% 2 18.2% 1 4.9 10.3
JOURNAL TITLE 1 0.1% 1 100% 0 0.0 0.0
EXACT JOURNAL 48 3.4% 8 16.7% 7 150.8 789.4
SUBJECT WORD 72 5.1% 43 59.7% 53 220.8 428.0
EXACT SUBJECT 17 1.2% 7 41.2% 2 102.9 236.2
KEYWORD 942 66.1% 449 47.7% 13 815.2 4127.7
DATE 57 4.0% 16 28.1% 8 101.9 237.8
ADDED SINCE 36 2.5% 28 77.8% 1 2.4 2.3
PUB TYPE 14 1.0% 10 71.4% 230 229.5 260.4
SUBFILE 2 0.1% 0 0.0% 29 28.5 36.1
ID 5 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 1 0.1% 1 100% 0 0.0 0.0
ARTICLE 1 0.1% 1 100% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 41 2.9% 10 24.4% 54 510.5 1469.5
Other indexes 2 0.1% 1 50.0% 6 6.0 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 159 13.1% 59 37.1% 7 250.9 975.3
Single 1,052 86.9% 486 46.2% 12 704.0 3847.8
PRESENT commands, by type:
MARC 45.9%
OPAC 30.1%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (