MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 06/01/99 through 06/30/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 322 3,784
2-4 a.m. 139 544
4-6 a.m. 29 401
6-8 a.m. 102 610
8-10 a.m. 502 7,015
10-12 a.m. 1,556 28,512
12-2 p.m. 1,702 28,072
2-4 p.m. 1,941 35,167
4-6 p.m. 1,563 33,962
6-8 p.m. 1,005 20,069
8-10 p.m. 825 11,427
10-12 p.m. 471 7,670
__________ _____________ _________________
Total: 10,157 177,233
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 13
Davis 10
Irvine 14
Los Angeles 5
Riverside 0
San Diego 947
San Francisco 10
Santa Barbara 0
Santa Cruz 183
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 8,294
Other - UC 657
Other-Network UC 24
_____
10,157
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 113
Davis 58
Irvine 13
Los Angeles 45
Riverside 0
San Diego 0
San Francisco 189
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 169,750
Other - UC 6,951
Other-Network UC 114
_____
177,233
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.0
Standard deviation in seconds 3.9
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) 21:19
Average session length (minutes:seconds) 18:35
Longest session recorded (minutes:seconds) 184:52
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 668.9
Retrievals per search - standard deviation 12732
Percent of searches completed with 0 results 35.6%
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 10,157 20.9%
PRESENT 34,995 72.0%
INIT or CLOSE 3,395 7.0%
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 601 4.2% 310 51.6% 11 290.9 920.7
TITLE WORD 1,275 9.0% 554 43.4% 13 399.1 2106.5
EXACT TITLE 108 0.8% 85 78.7% 1 431.2 1347.5
JOURNAL TITLE 42 0.3% 35 83.3% 24 129.9 246.5
EXACT JOURNAL 596 4.2% 234 39.3% 19 230.4 746.8
SUBJECT WORD 1,449 10.2% 789 54.4% 13 457.0 2465.0
EXACT SUBJECT 661 4.7% 173 26.2% 10 1102.1 7930.5
KEYWORD 6,818 48.2% 2,133 31.3% 22 953.1 8411.6
DATE 782 5.5% 292 37.3% 14 94.2 341.6
ADDED SINCE 88 0.6% 49 55.7% 10 31.6 53.5
PUB TYPE 90 0.6% 49 54.4% 4 481.0 2550.7
SUBFILE 28 0.2% 16 57.1% 64 532.4 850.8
ID 3 0.0% 0 0.0% 1 1.0 0.0
ISSN 2 0.0% 1 50.0% 1.13E6 1129682 0.0
SIC 5 0.0% 0 0.0% 37 218.0 292.5
ILLUS 14 0.1% 11 78.6% 178 130.7 82.0
ARTICLE 65 0.5% 42 64.6% 4 12.7 18.8
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 1,511 10.7% 489 32.4% 30 910.7 6576.7
Other indexes 13 0.1% 4 30.8% 12 16.1 15.2
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 2,813 27.7% 1,066 37.9% 18 602.2 5070.7
Single 7,344 72.3% 2,554 34.8% 20 1198.8 18269.1
PRESENT commands, by type:
MARC 43.8%
OPAC 36.1%