MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 09/01/01 through 09/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 218 515
2-4 a.m. 41 173
4-6 a.m. 14 103
6-8 a.m. 78 337
8-10 a.m. 410 2,463
10-12 a.m. 1,025 8,327
12-2 p.m. 1,063 7,354
2-4 p.m. 1,352 9,982
4-6 p.m. 1,028 10,418
6-8 p.m. 520 3,346
8-10 p.m. 374 2,433
10-12 p.m. 331 3,028
__________ _____________ _________________
Total: 6,454 48,479
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 25
Davis 104
Irvine 4
Los Angeles 248
Riverside 2
San Diego 29
San Francisco 4
Santa Barbara 18
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 2,774
Other - UC 3,211
Other-Network UC 35
_____
6,454
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 521
Davis 59
Irvine 1
Los Angeles 25
Riverside 0
San Diego 102
San Francisco 3
Santa Barbara 350
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 46,141
Other-Network UC 1,277
_____
48,479
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 4.6
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) 6:36
Longest session recorded (minutes:seconds) 107:59
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 460.2
Retrievals per search - standard deviation 4368.5
Percent of searches completed with 0 results 42.0%
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 6,454 29.6%
PRESENT 10,839 49.7%
INIT or CLOSE 4,467 20.5%
OTHER 30 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 616 7.3% 430 69.8% 6 161.3 404.0
TITLE WORD 710 8.4% 397 55.9% 5 455.3 2170.0
EXACT TITLE 58 0.7% 37 63.8% 1 20.6 63.6
JOURNAL TITLE 40 0.5% 25 62.5% 14 1581.2 4594.0
EXACT JOURNAL 455 5.4% 117 25.7% 5 592.2 7732.8
SUBJECT WORD 646 7.6% 284 44.0% 4 131.9 1000.4
EXACT SUBJECT 229 2.7% 44 19.2% 5 235.1 1487.2
KEYWORD 4,530 53.5% 1,782 39.3% 16 923.4 6020.6
DATE 716 8.5% 366 51.1% 5 101.0 374.4
ADDED SINCE 156 1.8% 125 80.1% 2 187.0 1005.8
PUB TYPE 25 0.3% 15 60.0% 2 70.7 206.2
SUBFILE 10 0.1% 7 70.0% 3 56.7 93.8
ID 8 0.1% 0 0.0% 1 1.0 0.0
ISSN 1 0.0% 1 100% 0 0.0 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 3 0.0% 0 0.0% 440 423.3 28.9
ARTICLE 14 0.2% 5 35.7% 104 176.0 350.4
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 243 2.9% 64 26.3% 33 664.3 3814.4
Other indexes 7 0.1% 6 85.7% 39 39.0 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 1,340 20.8% 655 48.9% 8 296.1 2109.9
Single 5,114 79.2% 2,054 40.2% 12 904.3 6234.6
PRESENT commands, by type:
MARC 51.7%
OPAC 23.4%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (