MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 02/01/00 through 02/29/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 627 9,255
2-4 a.m. 190 2,941
4-6 a.m. 72 592
6-8 a.m. 171 1,360
8-10 a.m. 1,779 23,681
10-12 a.m. 3,838 46,912
12-2 p.m. 4,629 57,731
2-4 p.m. 5,876 86,763
4-6 p.m. 4,258 69,921
6-8 p.m. 2,676 46,021
8-10 p.m. 2,445 37,566
10-12 p.m. 1,405 19,449
__________ _____________ _________________
Total: 27,966 402,192
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 22
Davis 3
Irvine 14
Los Angeles 3
Riverside 0
San Diego 1,262
San Francisco 8
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 1
Lawrence Livermore 0
Los Alamos 0
MELWEB 25,173
Searchlight 524
Other - UC 934
Other-Network UC 22
_____
27,966
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 864
Davis 8
Irvine 181
Los Angeles 2
Riverside 0
San Diego 440
San Francisco 14
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 12
Lawrence Livermore 0
Los Alamos 0
MELWEB 390,094
Searchlight 1,358
Other - UC 8,818
Other-Network UC 401
_____
402,192
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.9
Standard deviation in seconds 4.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.6
Standard deviation in seconds 1.6
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:02
Average session length (minutes:seconds) 9:32
Longest session recorded (minutes:seconds) 177:41
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 552.7
Retrievals per search - standard deviation 5611.5
Percent of searches completed with 0 results 34.8%
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 27,966 23.5%
PRESENT 75,699 63.7%
INIT or CLOSE 15,085 12.7%
OTHER 84 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 948 2.5% 459 48.4% 15 237.6 469.4
TITLE WORD 1,966 5.3% 687 34.9% 9 394.9 4386.6
EXACT TITLE 260 0.7% 184 70.8% 1 51.4 206.0
JOURNAL TITLE 73 0.2% 70 95.9% 672 131954 227968
EXACT JOURNAL 1,067 2.9% 406 38.0% 19 775.4 7023.5
SUBJECT WORD 3,002 8.1% 1,511 50.3% 14 569.9 3696.7
EXACT SUBJECT 1,532 4.1% 322 21.0% 9 392.4 3620.2
KEYWORD 21,507 57.8% 7,231 33.6% 19 930.9 6800.0
DATE 1,844 5.0% 723 39.2% 9 68.7 263.8
ADDED SINCE 179 0.5% 128 71.5% 3 8.6 13.7
PUB TYPE 159 0.4% 113 71.1% 19 245.6 837.3
SUBFILE 64 0.2% 40 62.5% 15 707.5 2131.1
ID 25 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 5 0.0% 2 40.0% 123 175.3 202.6
ARTICLE 137 0.4% 79 57.7% 3 19.3 59.8
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 4,374 11.8% 1,229 28.1% 23 653.6 4916.5
Other indexes 81 0.2% 46 56.8% 20 316.3 1457.8
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 6,564 23.5% 2,164 33.0% 17 611.6 4995.1
Single 21,402 76.5% 7,568 35.4% 17 922.8 7441.2
PRESENT commands, by type:
MARC 44.5%
OPAC 39.8%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (