MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 10/01/00 through 10/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 575 3,391
2-4 a.m. 104 767
4-6 a.m. 26 141
6-8 a.m. 88 1,109
8-10 a.m. 1,121 9,863
10-12 a.m. 2,969 27,831
12-2 p.m. 3,924 36,417
2-4 p.m. 4,459 40,716
4-6 p.m. 3,377 35,088
6-8 p.m. 1,788 17,414
8-10 p.m. 1,640 21,278
10-12 p.m. 989 8,304
__________ _____________ _________________
Total: 21,060 202,319
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 2
Davis 20
Irvine 3
Los Angeles 1
Riverside 0
San Diego 199
San Francisco 1
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 9,836
Searchlight 10,192
Other - UC 781
Other-Network UC 24
_____
21,060
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 11
Davis 100
Irvine 45
Los Angeles 0
Riverside 0
San Diego 29
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 191,778
Searchlight 238
Other - UC 9,625
Other-Network UC 493
_____
202,319
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.6
Standard deviation in seconds 2.2
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) 7:22
Longest session recorded (minutes:seconds) 185:13
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 504.4
Retrievals per search - standard deviation 4465.3
Percent of searches completed with 0 results 39.6%
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 21,060 27.8%
PRESENT 40,010 52.9%
INIT or CLOSE 14,313 18.9%
OTHER 292 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 590 2.3% 292 49.5% 13 250.9 616.6
TITLE WORD 1,468 5.7% 632 43.1% 10 341.1 1843.1
EXACT TITLE 160 0.6% 125 78.1% 1 26.4 78.6
JOURNAL TITLE 32 0.1% 29 90.6% 6 3829.3 6624.8
EXACT JOURNAL 711 2.7% 294 41.3% 13 158.0 517.2
SUBJECT WORD 1,759 6.8% 949 53.9% 13 422.7 2566.9
EXACT SUBJECT 772 3.0% 187 24.2% 10 299.3 3399.9
KEYWORD 16,896 65.3% 6,529 38.6% 23 939.0 6215.4
DATE 982 3.8% 406 41.3% 10 118.2 600.1
ADDED SINCE 238 0.9% 181 76.0% 3 327.5 2098.6
PUB TYPE 74 0.3% 46 62.2% 12 67.4 155.5
SUBFILE 40 0.2% 27 67.5% 4 313.1 1060.3
ID 52 0.2% 1 1.9% 1 1.0 0.0
ISSN 1 0.0% 1 100% 0 0.0 0.0
SIC 1 0.0% 1 100% 0 0.0 0.0
ILLUS 12 0.0% 10 83.3% 21 20.5 13.4
ARTICLE 55 0.2% 21 38.2% 3 13.7 20.4
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 1,991 7.7% 595 29.9% 25 475.7 2346.9
Other indexes 32 0.1% 17 53.1% 138 185.4 220.1
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 3,354 15.9% 1,242 37.0% 17 365.0 1952.2
Single 17,706 84.1% 7,100 40.1% 21 928.9 6201.0
PRESENT commands, by type:
MARC 48.2%
OPAC 32.5%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (