MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 04/01/01 through 04/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 466 6,160
2-4 a.m. 97 1,357
4-6 a.m. 62 408
6-8 a.m. 117 840
8-10 a.m. 1,054 12,402
10-12 a.m. 2,431 22,563
12-2 p.m. 3,226 34,743
2-4 p.m. 3,894 41,141
4-6 p.m. 3,063 37,496
6-8 p.m. 1,841 22,987
8-10 p.m. 1,503 22,478
10-12 p.m. 1,042 15,444
__________ _____________ _________________
Total: 18,796 218,019
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 32
Davis 14
Irvine 1
Los Angeles 63
Riverside 0
San Diego 149
San Francisco 0
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 1
Lawrence Livermore 0
Los Alamos 0
MELWEB 9,191
Searchlight 8,804
Other - UC 519
Other-Network UC 21
_____
18,796
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 101
Davis 13
Irvine 3
Los Angeles 30
Riverside 0
San Diego 41
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 209,911
Searchlight 453
Other - UC 6,527
Other-Network UC 940
_____
218,019
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.7
Standard deviation in seconds 2.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.6
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:45
Longest session recorded (minutes:seconds) 180:53
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 419.8
Retrievals per search - standard deviation 4837.8
Percent of searches completed with 0 results 39.3%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 18,796 25.4%
PRESENT 42,375 57.3%
INIT or CLOSE 12,774 17.3%
OTHER 27 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 641 2.8% 363 56.6% 8 282.2 658.5
TITLE WORD 1,513 6.6% 556 36.7% 8 382.7 2838.0
EXACT TITLE 119 0.5% 93 78.1% 3 229.4 853.9
JOURNAL TITLE 40 0.2% 37 92.5% 505 46515.7 80003.9
EXACT JOURNAL 562 2.5% 180 32.0% 19 372.4 1848.7
SUBJECT WORD 1,312 5.8% 702 53.5% 17 481.4 2398.9
EXACT SUBJECT 805 3.5% 152 18.9% 8 547.9 5657.9
KEYWORD 14,907 65.3% 5,841 39.2% 18 728.9 6521.3
DATE 810 3.6% 301 37.2% 12 144.7 654.3
ADDED SINCE 185 0.8% 129 69.7% 3 182.9 893.2
PUB TYPE 97 0.4% 65 67.0% 6 1436.9 5422.8
SUBFILE 41 0.2% 27 65.9% 15 306.0 445.5
ID 34 0.1% 0 0.0% 1 1.0 0.0
ISSN 0 0.0% 0 0.0% 0 0.0 0.0
SIC 2 0.0% 1 50.0% 183 183.0 0.0
ILLUS 15 0.1% 8 53.3% 7 78.3 142.9
ARTICLE 34 0.1% 20 58.8% 4 8.9 12.9
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 1,655 7.3% 460 27.8% 19 440.3 2189.4
Other indexes 41 0.2% 28 68.3% 166 2407.2 7504.4
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 3,050 16.2% 1,135 37.2% 16 362.4 1926.3
Single 15,746 83.8% 6,244 39.7% 16 757.3 6730.5
PRESENT commands, by type:
MARC 46.6%
OPAC 34.8%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (