MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 10/01/99 through 10/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 238 6,088
2-4 a.m. 71 1,168
4-6 a.m. 28 287
6-8 a.m. 50 369
8-10 a.m. 667 12,292
10-12 a.m. 1,671 34,911
12-2 p.m. 1,842 38,677
2-4 p.m. 1,962 38,427
4-6 p.m. 1,587 30,147
6-8 p.m. 897 20,064
8-10 p.m. 776 16,862
10-12 p.m. 530 12,289
__________ _____________ _________________
Total: 10,319 211,581
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 1
Irvine 9
Los Angeles 0
Riverside 0
San Diego 976
San Francisco 1
Santa Barbara 3
Santa Cruz 212
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,622
Other - UC 5,471
Other-Network UC 20
_____
10,319
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 103
Davis 7
Irvine 48
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 71
Santa Barbara 52
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 87,180
Other - UC 123,694
Other-Network UC 426
_____
211,581
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 1.1
Standard deviation in seconds 8.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.6
Standard deviation in seconds 2.3
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 21:39
Average session length (minutes:seconds) 19:31
Longest session recorded (minutes:seconds) 194:52
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 699.2
Retrievals per search - standard deviation 12426
Percent of searches completed with 0 results 29.7%
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 10,319 18.9%
PRESENT 40,211 73.5%
INIT or CLOSE 4,110 7.5%
OTHER 45 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 599 4.3% 319 53.3% 13 222.2 492.0
TITLE WORD 1,303 9.4% 425 32.6% 13 316.7 1551.0
EXACT TITLE 105 0.8% 79 75.2% 2 13.1 24.7
JOURNAL TITLE 37 0.3% 35 94.6% 394737 394737 558239
EXACT JOURNAL 492 3.5% 157 31.9% 18 276.4 954.4
SUBJECT WORD 1,233 8.9% 605 49.1% 18 367.4 2237.4
EXACT SUBJECT 756 5.4% 140 18.5% 13 292.2 1489.3
KEYWORD 6,743 48.4% 1,718 25.5% 25 972.0 8271.5
DATE 742 5.3% 233 31.4% 15 127.2 1002.7
ADDED SINCE 129 0.9% 69 53.5% 3 7.9 10.2
PUB TYPE 107 0.8% 63 58.9% 14 610.3 3333.6
SUBFILE 21 0.2% 10 47.6% 6 30.5 66.8
ID 24 0.2% 0 0.0% 1 1.0 0.0
ISSN 1 0.0% 0 0.0% 787061 787061 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 6 0.0% 2 33.3% 72 110.0 137.0
ARTICLE 59 0.4% 28 47.5% 4 5.9 7.2
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 1,537 11.0% 332 21.6% 27 774.3 6523.2
Other indexes 28 0.2% 10 35.7% 171 531.1 815.3
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 2,531 24.5% 729 28.8% 22 567.9 5350.5
Single 7,788 75.5% 2,335 30.0% 21 1135.5 16801.7
PRESENT commands, by type:
MARC 43.9%
OPAC 38.1%