MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 05/01/99 through 05/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 492 11,071
2-4 a.m. 167 2,084
4-6 a.m. 70 1,145
6-8 a.m. 151 2,079
8-10 a.m. 1,006 14,515
10-12 a.m. 2,653 45,929
12-2 p.m. 3,614 62,279
2-4 p.m. 3,946 75,083
4-6 p.m. 3,175 55,814
6-8 p.m. 2,115 38,099
8-10 p.m. 2,003 40,817
10-12 p.m. 1,268 26,195
__________ _____________ _________________
Total: 20,660 375,110
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 4
Davis 6
Irvine 13
Los Angeles 4
Riverside 4
San Diego 1,234
San Francisco 2
Santa Barbara 24
Santa Cruz 348
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 18,076
Other - UC 931
Other-Network UC 14
_____
20,660
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1
Davis 100
Irvine 195
Los Angeles 25
Riverside 19
San Diego 82
San Francisco 0
Santa Barbara 110
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 362,342
Other - UC 11,996
Other-Network UC 240
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375,110
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 1.2
Standard deviation in seconds 9.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 2.0
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 22:32
Average session length (minutes:seconds) 21:38
Longest session recorded (minutes:seconds) 165:43
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 711.5
Retrievals per search - standard deviation 15450
Percent of searches completed with 0 results 34.1%
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 20,658 19.8%
PRESENT 77,301 74.1%
INIT or CLOSE 6,199 5.9%
OTHER 183 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 1,098 3.7% 555 50.5% 14 295.3 749.1
TITLE WORD 2,052 6.9% 872 42.5% 11 506.6 3292.2
EXACT TITLE 216 0.7% 153 70.8% 1 226.4 692.4
JOURNAL TITLE 88 0.3% 73 83.0% 5,035 305807 468182
EXACT JOURNAL 1,080 3.6% 367 34.0% 14 792.3 13918.0
SUBJECT WORD 3,190 10.7% 1,563 49.0% 16 475.8 2706.7
EXACT SUBJECT 1,737 5.8% 472 27.2% 9 706.1 5562.9
KEYWORD 13,693 45.8% 4,166 30.4% 23 765.9 5233.3
DATE 2,040 6.8% 677 33.2% 11 95.5 453.1
ADDED SINCE 276 0.9% 126 45.6% 5 94.9 496.3
PUB TYPE 231 0.8% 158 68.4% 34 282.7 1219.6
SUBFILE 90 0.3% 50 55.6% 12 2690.2 10420.0
ID 18 0.1% 1 5.6% 1 1.0 0.0
ISSN 5 0.0% 3 60.0% 11,057 11057.0 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 25 0.1% 12 48.0% 35 773.8 2625.1
ARTICLE 92 0.3% 53 57.6% 3 21.3 46.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 3,948 13.2% 1,228 31.1% 31 674.9 2941.4
Other indexes 24 0.1% 9 37.5% 10 21.9 24.5
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 6,453 31.2% 2,295 35.6% 21 520.8 2634.4
Single 14,205 68.8% 4,752 33.4% 20 1325.9 22756.8
PRESENT commands, by type:
MARC 43.6%
OPAC 38.5%