MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 04/01/00 through 04/30/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 429 6,618
2-4 a.m. 170 1,376
4-6 a.m. 53 83
6-8 a.m. 101 1,017
8-10 a.m. 997 7,756
10-12 a.m. 2,869 33,779
12-2 p.m. 3,679 44,853
2-4 p.m. 3,960 49,969
4-6 p.m. 3,029 34,190
6-8 p.m. 1,802 23,256
8-10 p.m. 1,701 25,822
10-12 p.m. 1,097 14,991
__________ _____________ _________________
Total: 19,887 243,710
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 30
Davis 5
Irvine 0
Los Angeles 1
Riverside 0
San Diego 672
San Francisco 6
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 16,949
Searchlight 1,081
Other - UC 1,122
Other-Network UC 21
_____
19,887
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 71
Davis 39
Irvine 0
Los Angeles 11
Riverside 0
San Diego 6
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 231,643
Searchlight 513
Other - UC 10,823
Other-Network UC 604
_____
243,710
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 4.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.5
Standard deviation in seconds 1.4
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:02
Average session length (minutes:seconds) 8:37
Longest session recorded (minutes:seconds) 198:28
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 673.8
Retrievals per search - standard deviation 8419.8
Percent of searches completed with 0 results 35.6%
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 19,887 25.0%
PRESENT 46,957 59.0%
INIT or CLOSE 12,439 15.6%
OTHER 291 0.4%
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 668 2.7% 345 51.6% 13 314.9 740.9
TITLE WORD 1,584 6.4% 528 33.3% 13 376.4 2672.9
EXACT TITLE 132 0.5% 111 84.1% 1 117.2 416.2
JOURNAL TITLE 54 0.2% 47 87.0% 539 116951 304989
EXACT JOURNAL 611 2.5% 163 26.7% 14 649.8 6532.5
SUBJECT WORD 1,807 7.3% 862 47.7% 12 261.3 1312.5
EXACT SUBJECT 1,037 4.2% 207 20.0% 9 305.5 2904.9
KEYWORD 15,309 61.6% 5,412 35.4% 20 1161.2 8516.9
DATE 913 3.7% 278 30.4% 10 69.6 204.1
ADDED SINCE 146 0.6% 92 63.0% 3 51.7 213.9
PUB TYPE 84 0.3% 51 60.7% 4 366.2 1824.9
SUBFILE 34 0.1% 19 55.9% 8 589.0 1645.3
ID 56 0.2% 0 0.0% 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 7 0.0% 2 28.6% 8 35.4 41.1
ARTICLE 87 0.3% 45 51.7% 4 19.9 51.3
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 2,299 9.2% 535 23.3% 27 734.3 5770.8
Other indexes 33 0.1% 13 39.4% 42 499.0 1184.1
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 3,625 18.2% 1,089 30.0% 18 575.9 4873.9
Single 16,262 81.8% 5,997 36.9% 18 1163.1 11442.4
PRESENT commands, by type:
MARC 46.3%
OPAC 35.9%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (