MELVYL ABI DATABASE TELNET STATISTICS
Time period: 06/15/02 through 06/21/02
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Zero results may indicate no access to the database
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 33 34
Davis 1 0 1
Irvine 7 0 7
Los Angeles 0 13 13
Riverside 0 0 0
San Diego 0 3 3
San Francisco 5 0 5
Santa Barbara 0 0 0
Santa Cruz 0 0 0
Lawrence Berkeley 0 0 0
Lawrence Livermore 0 0 0
Los Alamos 0 0 0
Other - UC 0 0 0
Other-Network UC n/a 9 9
_______ ______ _____
14 58 72
Per hour usage:
Time Sessions Finds Records Displayed
__________ __________ __________ _________________
12-2 a.m. 3 9 151
2-4 a.m. 1 7 108
4-6 a.m. 0 0 0
6-8 a.m. 0 0 0
8-10 a.m. 6 13 467
10-12 a.m. 15 34 394
12-2 p.m. 10 14 272
2-4 p.m. 16 48 395
4-6 p.m. 10 24 205
6-8 p.m. 2 2 3
8-10 p.m. 1 1 1
10-12 p.m. 8 64 40
__________ __________ __________ _________________
Total: 72 216 2,036
1.2 FIND commands
__________________
Zero results may indicate no access to the database
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 125 126
Davis 0 0 0
Irvine 12 0 12
Los Angeles 0 28 28
Riverside 0 0 0
San Diego 0 16 16
San Francisco 16 0 16
Santa Barbara 0 0 0
Santa Cruz 0 0 0
Lawrence Berkeley 0 0 0
Lawrence Livermore 0 0 0
Los Alamos 0 0 0
Other - UC 0 0 0
Other-Network UC n/a 18 18
_______ ______ _____
29 187 216
1.3 Records displayed
______________________
Zero results may indicate no access to the database
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 1,232 1,232
Davis 0 0 0
Irvine 53 0 53
Los Angeles 0 319 319
Riverside 0 0 0
San Diego 0 209 209
San Francisco 59 0 59
Santa Barbara 0 0 0
Santa Cruz 0 0 0
Lawrence Berkeley 0 0 0
Lawrence Livermore 0 0 0
Los Alamos 0 0 0
Other - UC 0 0 0
Other-Network UC n/a 164 164
_______ ______ _____
112 1,924 2,036
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.4
Standard deviation in seconds 0.8
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.1
Standard deviation in seconds 0.1
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 3:52
Average session length (minutes:seconds) 10:18
Longest session recorded (minutes:seconds) 64:58
Average number of searches completed per session 3.0
Retrievals per search - median 1.0
Retrievals per search - average 1012.3
Retrievals per search - standard deviation 8171.6
Percent of searches completed with 0 results 43.5%
Percent of searches entered that are long 3.7%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 186 29.5%
DISPLAY (excluding automatic displays) 243 38.5%
BROWSE 0 0.0%
SELECT 0 0.0%
HELP 5 0.8%
EXPLAIN 7 1.1%
SET/RESET 31 4.9%
SHOW 4 0.6%
ADD ON (AND, OR, AND NOT) 30 4.8%
LOGON or LOGOFF 92 14.6%
COMMENT 0 0.0%
SAVE 13 2.1%
USE 0 0.0%
OTHER 20 3.2%
2.1 Article Text
_________________
DISPLAY TEXT commands 28
TEXT included with CONTINUOUS, PRINT, CAPTURE, or SLOW 2
displays or when any of these paging options is set.
TEXT included with MAIL commands 0
SET DISPLAY TEXT commands 0
FINDs completed: RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. FINDs No. Index Median Avg. Dev.
______ ______ ______ _______ ______ _______ _______
By index:
PERSONAL AUTHOR 108 40.8% 66 61.1% 12 25.5 68.1
TITLE WORD 37 14.0% 18 48.6% 2 6079.4 26364.0
EXACT TITLE 3 1.1% 1 33.3% 7 6.5 7.8
JOURNAL 8 3.0% 4 50.0% 728 5155.0 9266.5
EXACT JOURNAL 1 0.4% 1 100% 0 0.0 0.0
SUBJECT 4 1.5% 1 25.0% 10,507 42047.0 63325.7
EXACT SUBJECT 0 0.0% 0 0.0% 0 0.0 0.0
KEYWORD 31 11.7% 3 9.7% 64 2384.3 5190.7
PUB TYPE 0 0.0% 0 0.0% 0 0.0 0.0
DATE 5 1.9% 2 40.0% 27 256.3 419.1
ADDED 60 22.6% 55 91.7% 1 1.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
LANGUAGE 0 0.0% 0 0.0% 0 0.0 0.0
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 0 0.0% 0 0.0% 0 0.0 0.0
COMPANY NAME 3 1.1% 0 0.0% 12 12.0 0.0
EX COMPANY NAME 0 0.0% 0 0.0% 0 0.0 0.0
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 0 0.0% 0 0.0% 0 0.0 0.0
ID NUMBER 0 0.0% 0 0.0% 0 0.0 0.0
ISSN 0 0.0% 0 0.0% 0 0.0 0.0
PERIODICAL 3 1.1% 0 0.0% 4 90.0 150.7
EXACT PE 2 0.8% 0 0.0% 14 13.5 17.7
RPE 0 0.0% 0 0.0% 0 0.0 0.0
XRP 0 0.0% 0 0.0% 0 0.0 0.0
COMMENTS 0 0.0% 0 0.0% 0 0.0 0.0
Other indexes 0 0.0% 0 0.0% 0 0.0 0.0
RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. FINDs No. Index Median Avg. Dev.
______ ______ ______ _______ ______ _______ _______
By number of indexes:
Multiple 77 41.4% 62 80.5% 2 7717.5 29665.3
Single 109 58.6% 25 22.9% 22 1186.9 3869.7
BROWSEs completed: RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. BROWSEs No. Index Median Avg. Dev.
______ _______ ______ _______ ______ _______ _______
By index:
SUBJECT 0 0.0% 0 0.0% 0.0 0.0 0.0
EXACT SUBJECT 0 0.0% 0 0.0% 0.0 0.0 0.0
DISPLAY commands, by type, excluding automatic displays:
REVIEW 1.7%
SHORT 86.3%
LONG 3.1%
TAGS 0.0%
FIELDS 2.4%
BROWSE REVIEW 0.0%
BROWSE LONG 0.0%
PERIODICALS 4.5%
COMMENTS 0.0%
Other 2.1%
2.2 Error, EXPLAIN and HELP statistics
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Percent of commands that contained errors 12.1%
Ten most frequent errors:
1. DISPLAY command - no FIND results 63.2%
2. NS command - no next screen 25.3%
3. First word of command is invalid 6.9%
4. DISPLAY command contains invalid word 2.3%
5. SET DB command entered w/o modifier 1.1%
6. Search term missing from search command 1.1%
11. All others 0.0%
Ten most frequent EXPLAIN requests:
1. GUIDE (ABI DB) 14.3%
2. ABI/INFORM DB 14.3%
3. FIND (ABI DB) 14.3%
4. COMMANDS (ABI/PSY DBS) 14.3%
5. B089 14.3%
6. 1703 14.3%
7. ADDON SEARCH 14.3%
11. All others 0.0%
Ten most frequent HELP situations:
1. Help requested from SET DB command 58.3%
2. Add-on search retrieves >1 record 25.0%
3. SET DB command entered w/o modifier 8.3%
4. DISPLAY command-first of >1 screen 8.3%
11. All others 0.0%
Ten most frequent SHOW requests:
1. HISTORY 100%
11. All others 0.0%
ABImm/dd abi MELVYL ABI DATABASE TELNET STATISTICS (weekly)