MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 08/01/00 through 08/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 157 611
2-4 a.m. 86 92
4-6 a.m. 18 251
6-8 a.m. 72 147
8-10 a.m. 649 5,650
10-12 a.m. 1,453 10,169
12-2 p.m. 1,559 14,986
2-4 p.m. 1,982 15,382
4-6 p.m. 1,565 14,556
6-8 p.m. 540 4,268
8-10 p.m. 335 3,127
10-12 p.m. 202 2,786
__________ _____________ _________________
Total: 8,618 72,025
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 5
Davis 50
Irvine 3
Los Angeles 33
Riverside 0
San Diego 414
San Francisco 7
Santa Barbara 1
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 4,167
Searchlight 3,766
Other - UC 165
Other-Network UC 6
_____
8,618
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 89
Davis 82
Irvine 10
Los Angeles 140
Riverside 0
San Diego 33
San Francisco 70
Santa Barbara 0
Santa Cruz 11
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 69,989
Searchlight 87
Other - UC 1,043
Other-Network UC 471
_____
72,025
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.5
Standard deviation in seconds 1.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.5
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:03
Average session length (minutes:seconds) 5:49
Longest session recorded (minutes:seconds) 187:48
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 530.9
Retrievals per search - standard deviation 4081.0
Percent of searches completed with 0 results 43.9%
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 8,618 29.7%
PRESENT 14,128 48.7%
INIT or CLOSE 6,259 21.6%
OTHER 21 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 429 4.2% 242 56.4% 9 237.7 746.0
TITLE WORD 779 7.7% 339 43.5% 7 306.0 1883.1
EXACT TITLE 75 0.7% 50 66.7% 2 26.5 72.0
JOURNAL TITLE 19 0.2% 16 84.2% 74 3782.7 6486.9
EXACT JOURNAL 273 2.7% 80 29.3% 18 906.9 9681.4
SUBJECT WORD 407 4.0% 214 52.6% 15 484.0 2452.0
EXACT SUBJECT 261 2.6% 54 20.7% 13 91.7 239.1
KEYWORD 6,905 68.2% 3,021 43.8% 21 1068.1 5571.0
DATE 309 3.0% 113 36.6% 12 62.3 157.0
ADDED SINCE 132 1.3% 90 68.2% 2 55.4 192.8
PUB TYPE 26 0.3% 20 76.9% 31 356.8 787.7
SUBFILE 11 0.1% 5 45.5% 175 533.0 897.3
ID 6 0.1% 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 1 0.0% 1 100% 0 0.0 0.0
ARTICLE 16 0.2% 7 43.8% 2 17.4 31.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 473 4.7% 116 24.5% 21 424.8 1727.9
Other indexes 9 0.1% 7 77.8% 165 165.0 127.3
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 1,139 13.2% 420 36.9% 14 290.1 1333.0
Single 7,479 86.8% 3,364 45.0% 20 1061.1 5833.0
PRESENT commands, by type:
MARC 46.3%
OPAC 34.0%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (