MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 08/01/99 through 08/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 383 1,576
2-4 a.m. 334 677
4-6 a.m. 297 115
6-8 a.m. 415 367
8-10 a.m. 667 3,651
10-12 a.m. 1,188 10,518
12-2 p.m. 1,362 19,799
2-4 p.m. 1,610 21,042
4-6 p.m. 1,434 13,537
6-8 p.m. 686 7,151
8-10 p.m. 535 4,290
10-12 p.m. 465 3,794
__________ _____________ _________________
Total: 9,376 86,517
1.1 SEARCH commands
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Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 10
Davis 8
Irvine 3
Los Angeles 0
Riverside 0
San Diego 4,879
San Francisco 6
Santa Barbara 0
Santa Cruz 154
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,916
Other - UC 391
Other-Network UC 9
_____
9,376
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 144
Davis 293
Irvine 0
Los Angeles 0
Riverside 0
San Diego 17
San Francisco 255
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 83,789
Other - UC 1,767
Other-Network UC 252
_____
86,517
1.3 Response time
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Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.3
Standard deviation in seconds 3.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.7
Standard deviation in seconds 3.6
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:00
Average session length (minutes:seconds) 5:30
Longest session recorded (minutes:seconds) 154:51
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 662.8
Retrievals per search - standard deviation 6124.4
Percent of searches completed with 0 results 46.5%
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 9,376 28.9%
PRESENT 16,630 51.2%
INIT or CLOSE 6,430 19.8%
OTHER 19 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 316 2.9% 163 51.6% 3 123.3 319.0
TITLE WORD 716 6.6% 258 36.0% 7 278.2 1886.4
EXACT TITLE 56 0.5% 40 71.4% 1 1.5 1.2
JOURNAL TITLE 14 0.1% 14 100% 0 0.0 0.0
EXACT JOURNAL 258 2.4% 76 29.5% 6 144.7 590.5
SUBJECT WORD 486 4.5% 222 45.7% 20 453.1 2111.8
EXACT SUBJECT 306 2.8% 75 24.5% 8 985.3 6657.3
KEYWORD 7,715 71.6% 3,710 48.1% 20 1430.1 9136.6
DATE 336 3.1% 83 24.7% 13 77.1 252.0
ADDED SINCE 43 0.4% 34 79.1% 6 12.8 21.9
PUB TYPE 50 0.5% 36 72.0% 13 30.1 50.9
SUBFILE 6 0.1% 3 50.0% 67 710.3 1114.3
ID 4 0.0% 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% 3 100% 0 0.0 0.0
ARTICLE 23 0.2% 10 43.5% 3 40.4 132.7
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 433 4.0% 102 23.6% 28 449.8 1416.7
Other indexes 14 0.1% 5 35.7% 127 451.4 908.0
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 1,036 11.0% 345 33.3% 20 271.9 1039.1
Single 8,340 88.9% 4,019 48.2% 20 1394.6 8956.6
PRESENT commands, by type:
MARC 48.6%
OPAC 30.9%