MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 01/01/99 through 01/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 235 4,827
2-4 a.m. 65 1,173
4-6 a.m. 35 164
6-8 a.m. 60 837
8-10 a.m. 544 9,033
10-12 a.m. 1,488 31,289
12-2 p.m. 1,775 33,124
2-4 p.m. 2,630 55,515
4-6 p.m. 1,969 41,957
6-8 p.m. 919 17,127
8-10 p.m. 789 16,261
10-12 p.m. 567 10,854
__________ _____________ _________________
Total: 11,076 222,161
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 44
Davis 11
Irvine 75
Los Angeles 10
Riverside 0
San Diego 447
San Francisco 2
Santa Barbara 0
Santa Cruz 2
Lawrence Berkeley 2
Lawrence Livermore 0
Los Alamos 0
MELWEB 10,223
Other - UC 219
Other-Network UC 41
_____
11,076
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 313
Davis 163
Irvine 362
Los Angeles 79
Riverside 0
San Diego 0
San Francisco 69
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 133
Lawrence Livermore 0
Los Alamos 0
MELWEB 219,324
Other - UC 1,300
Other-Network UC 418
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222,161
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 4.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.9
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 23:50
Average session length (minutes:seconds) 24:18
Longest session recorded (minutes:seconds) 129:22
Average number of searches completed per session 0.0
Retrievals per search - median 4.0
Retrievals per search - average 988.1
Retrievals per search - standard deviation 8312.4
Percent of searches completed with 0 results 33.7%
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 11,076 17.1%
PRESENT 50,826 78.3%
INIT or CLOSE 3,008 4.6%
OTHER 33 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 593 3.7% 279 47.0% 14 348.0 996.4
TITLE WORD 1,133 7.1% 469 41.4% 10 802.7 6031.5
EXACT TITLE 89 0.6% 54 60.7% 3 405.7 1723.4
JOURNAL TITLE 66 0.4% 63 95.5% 2,412 123327 211439
EXACT JOURNAL 523 3.3% 180 34.4% 22 678.9 6783.3
SUBJECT WORD 1,765 11.1% 983 55.7% 17 913.7 4689.6
EXACT SUBJECT 1,058 6.7% 236 22.3% 14 239.8 1031.2
KEYWORD 7,267 45.7% 2,155 29.7% 30 1768.4 10580.5
DATE 907 5.7% 364 40.1% 10 82.3 249.6
ADDED SINCE 93 0.6% 59 63.4% 3 9.1 20.0
PUB TYPE 122 0.8% 87 71.3% 11 626.5 1866.9
SUBFILE 82 0.5% 49 59.8% 5 54.5 139.8
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 7 0.0% 5 71.4% 1,592 1592.0 2172.2
ILLUS 7 0.0% 6 85.7% 765 765.0 0.0
ARTICLE 131 0.8% 78 59.5% 3 18.9 48.6
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 2,062 13.0% 642 31.1% 45 1382.4 5879.5
Other indexes 0 0.0% 0 0.0% 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 3,432 31.0% 1,264 36.8% 27 1010.0 5077.4
Single 7,644 69.0% 2,469 32.3% 25 1691.7 11657.7
PRESENT commands, by type:
MARC 41.9%
OPAC 29.9%