MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 05/01/02 through 05/31/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 521 3,215
2-4 a.m. 134 1,017
4-6 a.m. 59 91
6-8 a.m. 109 759
8-10 a.m. 683 6,101
10-12 a.m. 1,999 20,563
12-2 p.m. 2,651 29,307
2-4 p.m. 3,022 25,200
4-6 p.m. 2,282 25,507
6-8 p.m. 1,542 17,151
8-10 p.m. 1,201 11,798
10-12 p.m. 975 10,541
__________ _____________ _________________
Total: 15,178 151,250
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 28
Irvine 7
Los Angeles 30
Riverside 0
San Diego 54
San Francisco 8
Santa Barbara 0
Santa Cruz 14
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 7,285
Searchlight 7,628
Other - UC 113
Other-Network UC 6
_____
15,178
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 23
Davis 0
Irvine 3
Los Angeles 713
Riverside 0
San Diego 124
San Francisco 5
Santa Barbara 0
Santa Cruz 22
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 149,221
Searchlight 13
Other - UC 1,122
Other-Network UC 4
_____
151,250
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 3.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:05
Longest session recorded (minutes:seconds) 155:13
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 569.1
Retrievals per search - standard deviation 12992
Percent of searches completed with 0 results 40.3%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 15,178 27.3%
PRESENT 29,380 52.8%
INIT or CLOSE 10,655 19.2%
OTHER 393 0.7%
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 476 2.6% 235 49.4% 17 339.9 1124.5
TITLE WORD 993 5.4% 375 37.8% 7 351.1 2096.7
EXACT TITLE 125 0.7% 83 66.4% 1 39.4 91.7
JOURNAL TITLE 42 0.2% 32 76.2% 20 137.1 270.4
EXACT JOURNAL 472 2.6% 141 29.9% 11 686.0 8021.6
SUBJECT WORD 926 5.0% 543 58.6% 19 555.1 2197.9
EXACT SUBJECT 421 2.3% 76 18.1% 9 154.3 734.9
KEYWORD 12,577 68.2% 5,011 39.8% 17 874.1 10290.2
DATE 569 3.1% 193 33.9% 9 88.5 548.7
ADDED SINCE 124 0.7% 110 88.7% 2 30.6 102.9
PUB TYPE 51 0.3% 33 64.7% 8 88.8 250.5
SUBFILE 15 0.1% 12 80.0% 359 685.7 667.0
ID 7 0.0% 0 0.0% 1 1.0 0.0
ISSN 1 0.0% 0 0.0% 1.32E6 1316544 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 5 0.0% 4 80.0% 11 11.0 0.0
ARTICLE 32 0.2% 18 56.3% 5 12.5 18.3
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 1,569 8.5% 422 26.9% 22 924.3 7731.9
Other indexes 37 0.2% 24 64.9% 21 241.6 438.7
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 2,474 16.3% 847 34.2% 18 709.8 6517.0
Single 12,704 83.7% 5,269 41.5% 16 1006.5 18298.2
PRESENT commands, by type:
MARC 45.8%
OPAC 37.2%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (