MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 07/01/99 through 07/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 97 1,412
2-4 a.m. 69 173
4-6 a.m. 56 229
6-8 a.m. 68 667
8-10 a.m. 536 10,791
10-12 a.m. 1,316 16,991
12-2 p.m. 1,441 28,671
2-4 p.m. 1,456 29,273
4-6 p.m. 1,061 16,027
6-8 p.m. 482 9,899
8-10 p.m. 220 3,033
10-12 p.m. 191 2,882
__________ _____________ _________________
Total: 6,993 120,048
1.1 SEARCH commands
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Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 5
Davis 1
Irvine 5
Los Angeles 2
Riverside 0
San Diego 777
San Francisco 11
Santa Barbara 0
Santa Cruz 176
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 5,576
Other - UC 439
Other-Network UC 1
_____
6,993
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 56
Davis 0
Irvine 68
Los Angeles 21
Riverside 0
San Diego 112
San Francisco 90
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 117,250
Other - UC 2,355
Other-Network UC 96
_____
120,048
1.3 Response time
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Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.7
Standard deviation in seconds 3.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 0.9
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 20:49
Average session length (minutes:seconds) 17:32
Longest session recorded (minutes:seconds) 167:02
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 591.2
Retrievals per search - standard deviation 5670.2
Percent of searches completed with 0 results 34.9%
Percent of searches entered that are long 0.2%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 6,993 21.0%
PRESENT 23,623 70.9%
INIT or CLOSE 2,647 7.9%
OTHER 47 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 493 5.2% 293 59.4% 7 198.0 577.0
TITLE WORD 983 10.4% 397 40.4% 10 306.6 1510.9
EXACT TITLE 84 0.9% 58 69.0% 1 19.9 53.5
JOURNAL TITLE 25 0.3% 21 84.0% 1,679 1656.8 1862.0
EXACT JOURNAL 578 6.1% 202 34.9% 13 601.5 6673.6
SUBJECT WORD 954 10.1% 455 47.7% 13 292.0 1837.2
EXACT SUBJECT 466 4.9% 95 20.4% 7 279.3 3017.8
KEYWORD 4,469 47.4% 1,385 31.0% 21 1150.5 8064.2
DATE 526 5.6% 194 36.9% 9 55.2 199.8
ADDED SINCE 85 0.9% 70 82.4% 8 17.3 20.8
PUB TYPE 43 0.5% 28 65.1% 6 12.4 22.6
SUBFILE 10 0.1% 4 40.0% 15 41.8 57.7
ID 0 0.0% 0 0.0% 0 0.0 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 5 0.1% 2 40.0% 5 8.0 8.9
ARTICLE 25 0.3% 16 64.0% 3 35.0 65.3
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 677 7.2% 200 29.5% 24 566.8 2337.6
Other indexes 11 0.1% 8 72.7% 17 33.0 38.6
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 1,726 24.7% 658 38.1% 14 355.5 1779.1
Single 5,267 75.3% 1,786 33.9% 18 1078.5 7945.2
PRESENT commands, by type:
MARC 45.9%
OPAC 33.2%