MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 02/01/99 through 02/28/99
1.0 SUMMARY STATISTICS
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Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 455 8,494
2-4 a.m. 90 2,912
4-6 a.m. 27 195
6-8 a.m. 105 983
8-10 a.m. 841 12,388
10-12 a.m. 2,518 35,691
12-2 p.m. 2,946 50,331
2-4 p.m. 3,637 68,677
4-6 p.m. 3,130 54,135
6-8 p.m. 1,851 45,454
8-10 p.m. 1,523 31,939
10-12 p.m. 938 21,461
__________ _____________ _________________
Total: 18,061 332,660
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 17
Davis 15
Irvine 57
Los Angeles 2
Riverside 0
San Diego 648
San Francisco 0
Santa Barbara 0
Santa Cruz 9
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 16,784
Other - UC 508
Other-Network UC 21
_____
18,061
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 124
Davis 46
Irvine 1,492
Los Angeles 0
Riverside 0
San Diego 131
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 327,621
Other - UC 3,017
Other-Network UC 229
_____
332,660
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 1.3
Standard deviation in seconds 4.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 1.0
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 23:36
Average session length (minutes:seconds) 24:50
Longest session recorded (minutes:seconds) 181:21
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 599.0
Retrievals per search - standard deviation 5228.5
Percent of searches completed with 0 results 36.3%
Percent of searches entered that are long 0.3%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 18,061 18.6%
PRESENT 74,184 76.4%
INIT or CLOSE 4,807 4.9%
OTHER 64 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 794 3.0% 427 53.8% 19 299.7 683.8
TITLE WORD 2,061 7.9% 928 45.0% 11 179.5 1156.6
EXACT TITLE 225 0.9% 176 78.2% 1 5.3 14.1
JOURNAL TITLE 88 0.3% 83 94.3% 60 55.2 45.8
EXACT JOURNAL 1,012 3.9% 354 35.0% 11 206.0 887.3
SUBJECT WORD 2,905 11.1% 1,620 55.8% 19 765.1 3540.3
EXACT SUBJECT 1,727 6.6% 522 30.2% 10 403.5 3989.0
KEYWORD 11,791 45.0% 3,744 31.8% 26 1133.2 7501.4
DATE 1,885 7.2% 756 40.1% 10 94.2 499.3
ADDED SINCE 102 0.4% 57 55.9% 7 287.4 1136.3
PUB TYPE 182 0.7% 103 56.6% 17 90.3 253.4
SUBFILE 57 0.2% 34 59.6% 7 719.5 2858.3
ID 0 0.0% 0 0.0% 0 0.0 0.0
ISSN 4 0.0% 4 100% 0 0.0 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 13 0.0% 8 61.5% 54 124.6 184.6
ARTICLE 118 0.4% 83 70.3% 1 37.9 121.3
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 3,254 12.4% 1,115 34.3% 34 1157.2 7562.0
Other indexes 6 0.0% 4 66.7% 12 12.0 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 5,763 31.9% 2,256 39.1% 21 769.2 5955.0
Single 12,298 68.1% 4,295 34.9% 22 1014.8 6758.8
PRESENT commands, by type:
MARC 40.8%
OPAC 40.9%