MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 09/01/99 through 09/30/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 193 1,908
2-4 a.m. 92 344
4-6 a.m. 74 548
6-8 a.m. 80 166
8-10 a.m. 546 6,179
10-12 a.m. 1,016 15,474
12-2 p.m. 1,224 20,865
2-4 p.m. 1,435 29,740
4-6 p.m. 1,099 19,652
6-8 p.m. 510 6,957
8-10 p.m. 453 9,403
10-12 p.m. 282 5,646
__________ _____________ _________________
Total: 7,004 116,882
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 3
Davis 4
Irvine 2
Los Angeles 8
Riverside 0
San Diego 1,184
San Francisco 6
Santa Barbara 0
Santa Cruz 191
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 4,525
Other - UC 1,072
Other-Network UC 9
_____
7,004
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 142
Davis 7
Irvine 0
Los Angeles 120
Riverside 0
San Diego 63
San Francisco 90
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 109,189
Other - UC 7,087
Other-Network UC 184
_____
116,882
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.6
Standard deviation in seconds 2.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.6
Standard deviation in seconds 1.8
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 3:12
Average session length (minutes:seconds) 14:35
Longest session recorded (minutes:seconds) 142:11
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 717.1
Retrievals per search - standard deviation 6548.1
Percent of searches completed with 0 results 28.8%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 7,004 20.6%
PRESENT 23,734 69.6%
INIT or CLOSE 3,284 9.6%
OTHER 56 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 398 4.6% 181 45.5% 8 330.6 1212.6
TITLE WORD 875 10.0% 323 36.9% 11 428.1 2370.2
EXACT TITLE 88 1.0% 73 83.0% 2 42.4 89.7
JOURNAL TITLE 33 0.4% 32 97.0% 255 255.0 0.0
EXACT JOURNAL 313 3.6% 97 31.0% 16 943.4 9131.0
SUBJECT WORD 806 9.2% 410 50.9% 17 1207.3 8207.4
EXACT SUBJECT 519 6.0% 87 16.8% 14 529.5 5335.5
KEYWORD 4,576 52.5% 1,083 23.7% 25 1101.8 8265.0
DATE 462 5.3% 122 26.4% 23 73.3 157.4
ADDED SINCE 67 0.8% 48 71.6% 2 10.6 21.8
PUB TYPE 54 0.6% 41 75.9% 3 48.7 126.9
SUBFILE 16 0.2% 13 81.3% 1 18.7 30.6
ID 35 0.4% 2 5.7% 1 1.0 0.0
ISSN 0 0.0% 0 0.0% 0 0.0 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 1 0.0% 1 100% 0 0.0 0.0
ARTICLE 15 0.2% 6 40.0% 1 22.2 60.3
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 441 5.1% 128 29.0% 32 804.1 5384.1
Other indexes 17 0.2% 10 58.8% 13 378.0 587.3
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 1,220 17.4% 426 34.9% 19 389.6 3419.1
Single 5,784 82.6% 1,593 27.5% 20 1124.7 8307.6
PRESENT commands, by type:
MARC 47.1%
OPAC 26.3%