MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 03/01/99 through 03/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 440 5,741
2-4 a.m. 168 2,509
4-6 a.m. 85 1,523
6-8 a.m. 111 1,545
8-10 a.m. 776 13,959
10-12 a.m. 2,239 28,890
12-2 p.m. 2,758 45,144
2-4 p.m. 3,454 60,212
4-6 p.m. 2,690 47,935
6-8 p.m. 1,631 28,030
8-10 p.m. 1,457 29,497
10-12 p.m. 951 18,849
__________ _____________ _________________
Total: 16,760 283,834
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 2
Irvine 32
Los Angeles 7
Riverside 0
San Diego 1,155
San Francisco 13
Santa Barbara 0
Santa Cruz 92
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 14,871
Other - UC 564
Other-Network UC 20
_____
16,760
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 6
Irvine 128
Los Angeles 10
Riverside 0
San Diego 38
San Francisco 62
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 279,939
Other - UC 3,514
Other-Network UC 137
_____
283,834
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 8.6
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) 22:14
Average session length (minutes:seconds) 20:41
Longest session recorded (minutes:seconds) 148:57
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 685.3
Retrievals per search - standard deviation 9171.0
Percent of searches completed with 0 results 35.7%
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 16,760 20.3%
PRESENT 60,750 73.6%
INIT or CLOSE 4,960 6.0%
OTHER 36 0.0%
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 883 3.7% 471 53.3% 18 397.9 1135.5
TITLE WORD 1,797 7.6% 803 44.7% 8 374.7 2138.4
EXACT TITLE 201 0.8% 153 76.1% 1 19.8 63.3
JOURNAL TITLE 83 0.4% 77 92.8% 1 188347 317465
EXACT JOURNAL 832 3.5% 316 38.0% 19 356.9 2386.0
SUBJECT WORD 2,583 10.9% 1,427 55.2% 16 626.8 3175.2
EXACT SUBJECT 1,264 5.3% 351 27.8% 9 344.5 3199.4
KEYWORD 11,225 47.3% 3,494 31.1% 26 1146.5 9274.5
DATE 1,420 6.0% 560 39.4% 16 214.5 925.6
ADDED SINCE 67 0.3% 36 53.7% 6 293.5 1564.9
PUB TYPE 218 0.9% 162 74.3% 5 74.9 271.5
SUBFILE 53 0.2% 34 64.1% 82 1730.9 3448.0
ID 2 0.0% 1 50.0% 1 1.0 0.0
ISSN 2 0.0% 2 100% 0 0.0 0.0
SIC 3 0.0% 0 0.0% 31 25.3 22.1
ILLUS 2 0.0% 1 50.0% 9 9.0 0.0
ARTICLE 105 0.4% 62 59.0% 3 33.7 71.1
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 2,968 12.5% 1,022 34.4% 34 763.7 3805.2
Other indexes 3 0.0% 1 33.3% 79 79.0 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 4,947 29.5% 1,977 40.0% 24 607.1 3327.0
Single 11,813 70.5% 4,012 34.0% 22 1241.2 13259.9
PRESENT commands, by type:
MARC 42.9%
OPAC 36.1%