MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 02/17/01 through 02/23/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 165 2,664
2-4 a.m. 39 483
4-6 a.m. 18 165
6-8 a.m. 16 244
8-10 a.m. 207 1,919
10-12 a.m. 749 8,447
12-2 p.m. 815 7,996
2-4 p.m. 1,099 17,584
4-6 p.m. 922 11,745
6-8 p.m. 512 8,515
8-10 p.m. 391 4,848
10-12 p.m. 231 2,150
__________ _____________ _________________
Total: 5,164 66,760
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1
Davis 1
Irvine 4
Los Angeles 0
Riverside 2
San Diego 68
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,950
Searchlight 2,009
Other - UC 128
Other-Network UC 1
_____
5,164
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 14
Irvine 0
Los Angeles 0
Riverside 50
San Diego 2
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 64,665
Searchlight 10
Other - UC 2,019
Other-Network UC 0
_____
66,760
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.1
Standard deviation in seconds 4.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 1.0
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:05
Average session length (minutes:seconds) 8:39
Longest session recorded (minutes:seconds) 131:15
Average number of searches completed per session 0.0
Retrievals per search - median 4.0
Retrievals per search - average 862.8
Retrievals per search - standard deviation 10435
Percent of searches completed with 0 results 35.1%
Percent of searches entered that are long 0.2%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 5,164 24.8%
PRESENT 12,549 60.3%
INIT or CLOSE 3,076 14.8%
OTHER 15 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 191 2.9% 101 52.9% 15 315.5 663.6
TITLE WORD 352 5.3% 140 39.8% 8 490.2 3052.6
EXACT TITLE 51 0.8% 34 66.7% 1 69.6 142.3
JOURNAL TITLE 15 0.2% 12 80.0% 110 74.0 62.4
EXACT JOURNAL 152 2.3% 49 32.2% 23 227.0 682.9
SUBJECT WORD 457 6.9% 245 53.6% 21 663.6 2891.9
EXACT SUBJECT 261 4.0% 63 24.1% 5 675.9 6006.3
KEYWORD 4,055 61.4% 1,342 33.1% 24 1493.2 14225.7
DATE 378 5.7% 77 20.4% 27 78.8 335.5
ADDED SINCE 41 0.6% 36 87.8% 1 2.6 2.3
PUB TYPE 30 0.5% 24 80.0% 44 137.3 224.4
SUBFILE 8 0.1% 7 87.5% 1 1.0 0.0
ID 7 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 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 16 0.2% 6 37.5% 2 2.8 2.4
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 584 8.8% 170 29.1% 27 921.0 4427.9
Other indexes 5 0.1% 4 80.0% 215 215.0 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 1,126 21.8% 367 32.6% 25 546.3 3305.9
Single 4,038 78.2% 1,444 35.8% 20 1557.8 14579.8
PRESENT commands, by type:
MARC 44.8%
OPAC 31.4%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (