MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 04/01/99 through 04/30/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 353 9,276
2-4 a.m. 90 2,410
4-6 a.m. 85 929
6-8 a.m. 112 1,314
8-10 a.m. 761 12,176
10-12 a.m. 2,081 32,908
12-2 p.m. 2,835 46,218
2-4 p.m. 2,908 60,825
4-6 p.m. 2,336 56,902
6-8 p.m. 1,429 32,055
8-10 p.m. 1,427 32,611
10-12 p.m. 914 17,454
__________ _____________ _________________
Total: 15,331 305,078
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 6
Davis 4
Irvine 54
Los Angeles 14
Riverside 1
San Diego 871
San Francisco 14
Santa Barbara 0
Santa Cruz 128
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 13,493
Other - UC 708
Other-Network UC 38
_____
15,331
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 10
Davis 4
Irvine 468
Los Angeles 73
Riverside 0
San Diego 1
San Francisco 9
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 297,710
Other - UC 6,378
Other-Network UC 425
_____
305,078
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 1.4
Standard deviation in seconds 6.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 1.1
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 22:49
Average session length (minutes:seconds) 22:18
Longest session recorded (minutes:seconds) 200:11
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 678.5
Retrievals per search - standard deviation 10539
Percent of searches completed with 0 results 35.1%
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 15,331 17.9%
PRESENT 65,770 76.6%
INIT or CLOSE 4,543 5.3%
OTHER 196 0.2%
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 799 3.7% 410 51.3% 12 404.1 1016.8
TITLE WORD 1,702 7.9% 696 40.9% 16 590.3 4376.7
EXACT TITLE 181 0.8% 130 71.8% 1 58.3 241.9
JOURNAL TITLE 80 0.4% 73 91.2% 10 185852 437623
EXACT JOURNAL 919 4.3% 372 40.5% 14 527.1 5430.2
SUBJECT WORD 2,239 10.4% 1,223 54.6% 16 566.6 2515.1
EXACT SUBJECT 1,423 6.6% 332 23.3% 9 529.2 4844.4
KEYWORD 9,862 45.8% 3,076 31.2% 25 1057.9 6003.0
DATE 1,209 5.6% 503 41.6% 12 237.1 952.0
ADDED SINCE 146 0.7% 119 81.5% 3 93.3 341.4
PUB TYPE 210 1.0% 129 61.4% 18 55.0 96.8
SUBFILE 42 0.2% 27 64.3% 37 197.7 328.8
ID 1 0.0% 1 100% 0 0.0 0.0
ISSN 4 0.0% 3 75.0% 26 26.0 0.0
SIC 9 0.0% 1 11.1% 168 616.9 989.2
ILLUS 6 0.0% 5 83.3% 2,737 2737.0 0.0
ARTICLE 117 0.5% 75 64.1% 3 16.0 31.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 2,569 11.9% 870 33.9% 39 818.6 4466.7
Other indexes 1 0.0% 1 100% 0 0.0 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 4,303 28.1% 1,668 38.8% 24 641.6 3717.4
Single 11,028 71.9% 3,720 33.7% 21 1192.1 15081.4
PRESENT commands, by type:
MARC 41.1%
OPAC 38.9%