MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 05/01/00 through 05/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 452 6,494
2-4 a.m. 152 1,108
4-6 a.m. 70 403
6-8 a.m. 124 629
8-10 a.m. 1,048 12,623
10-12 a.m. 2,919 34,851
12-2 p.m. 3,780 45,141
2-4 p.m. 4,123 47,202
4-6 p.m. 3,653 50,258
6-8 p.m. 1,892 24,060
8-10 p.m. 1,908 26,337
10-12 p.m. 1,398 22,808
__________ _____________ _________________
Total: 21,519 271,914
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 8
Davis 14
Irvine 16
Los Angeles 4
Riverside 0
San Diego 490
San Francisco 4
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 16,318
Searchlight 4,269
Other - UC 390
Other-Network UC 5
_____
21,519
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 81
Davis 1
Irvine 203
Los Angeles 53
Riverside 0
San Diego 91
San Francisco 337
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 266,820
Searchlight 92
Other - UC 4,020
Other-Network UC 215
_____
271,914
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.4
Standard deviation in seconds 11.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.9
Standard deviation in seconds 2.3
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 9:16
Longest session recorded (minutes:seconds) 170:30
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 581.1
Retrievals per search - standard deviation 13831
Percent of searches completed with 0 results 35.3%
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 21,519 24.9%
PRESENT 51,750 59.8%
INIT or CLOSE 13,119 15.2%
OTHER 100 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 611 2.2% 286 46.8% 10 286.9 896.5
TITLE WORD 1,296 4.6% 499 38.5% 10 355.9 2118.0
EXACT TITLE 110 0.4% 77 70.0% 1 20.1 46.5
JOURNAL TITLE 61 0.2% 54 88.5% 72,452 482527 597324
EXACT JOURNAL 854 3.0% 233 27.3% 18 233.7 1613.8
SUBJECT WORD 2,127 7.5% 1,022 48.0% 16 568.4 2841.8
EXACT SUBJECT 1,037 3.7% 232 22.4% 11 381.5 4670.6
KEYWORD 17,253 60.9% 5,920 34.3% 20 706.0 5416.7
DATE 1,347 4.8% 389 28.9% 14 94.4 353.9
ADDED SINCE 182 0.6% 112 61.5% 5 25.3 51.5
PUB TYPE 120 0.4% 85 70.8% 18 85.6 230.8
SUBFILE 46 0.2% 26 56.5% 13 272.7 710.6
ID 20 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 5 0.0% 1 20.0% 1,194 1189.3 1343.8
ARTICLE 48 0.2% 25 52.1% 3 8.4 9.4
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 3,162 11.2% 766 24.2% 23 661.4 4524.2
Other indexes 42 0.1% 26 61.9% 7 189.1 464.0
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 4,846 22.5% 1,436 29.6% 20 537.8 4360.2
Single 16,673 77.5% 6,167 37.0% 18 1015.6 19627.6
PRESENT commands, by type:
MARC 43.7%
OPAC 39.6%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (