MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 12/01/99 through 12/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 242 4,260
2-4 a.m. 104 624
4-6 a.m. 85 638
6-8 a.m. 88 432
8-10 a.m. 535 6,977
10-12 a.m. 1,059 14,883
12-2 p.m. 1,407 25,173
2-4 p.m. 1,998 36,533
4-6 p.m. 1,367 29,261
6-8 p.m. 1,162 12,913
8-10 p.m. 664 10,634
10-12 p.m. 396 6,267
__________ _____________ _________________
Total: 9,107 148,595
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 3
Davis 8
Irvine 3
Los Angeles 2
Riverside 0
San Diego 929
San Francisco 0
Santa Barbara 3
Santa Cruz 103
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 7,492
Other - UC 524
Other-Network UC 40
_____
9,107
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 115
Davis 161
Irvine 353
Los Angeles 12
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 6
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 145,076
Other - UC 2,513
Other-Network UC 359
_____
148,595
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.7
Standard deviation in seconds 3.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 0.7
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 0:58
Average session length (minutes:seconds) 14:09
Longest session recorded (minutes:seconds) 218:58
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 826.0
Retrievals per search - standard deviation 17515
Percent of searches completed with 0 results 29.8%
Percent of searches entered that are long 0.4%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 9,107 22.0%
PRESENT 28,653 69.2%
INIT or CLOSE 3,646 8.8%
OTHER 21 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 574 4.7% 295 51.4% 7 306.5 756.8
TITLE WORD 1,016 8.3% 391 38.5% 8 294.9 2313.9
EXACT TITLE 91 0.7% 65 71.4% 1 16.0 66.2
JOURNAL TITLE 41 0.3% 31 75.6% 40 159235 503386
EXACT JOURNAL 549 4.5% 143 26.0% 14 429.9 6440.6
SUBJECT WORD 1,199 9.8% 595 49.6% 10 145.8 647.4
EXACT SUBJECT 614 5.0% 133 21.7% 5 309.0 3627.8
KEYWORD 6,113 49.7% 1,504 24.6% 35 1149.0 7100.4
DATE 701 5.7% 209 29.8% 17 78.5 215.9
ADDED SINCE 115 0.9% 70 60.9% 3 7.5 14.1
PUB TYPE 69 0.6% 26 37.7% 7 31.2 51.7
SUBFILE 19 0.2% 8 42.1% 14 1222.3 3952.6
ID 10 0.1% 0 0.0% 1 1.0 0.0
ISSN 2 0.0% 2 100% 0 0.0 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 2 0.0% 0 0.0% 20 20.0 0.0
ARTICLE 28 0.2% 16 57.1% 2 2.6 1.6
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 1,120 9.1% 331 29.6% 25 656.6 4187.4
Other indexes 26 0.2% 16 61.5% 15 66.5 109.1
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 2,215 24.3% 745 33.6% 15 395.3 3103.8
Single 6,892 75.7% 1,966 28.5% 26 1409.2 23738.8
PRESENT commands, by type:
MARC 46.0%
OPAC 32.4%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (