MELVYL ABI DATABASE TELNET STATISTICS
Time period: 02/02/02 through 02/08/02
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Zero results may indicate no access to the database
Location Library Remote Total
________ _______ ______ _____
Berkeley 3 44 47
Davis 15 0 15
Irvine 3 0 3
Los Angeles 0 9 9
Riverside 0 0 0
San Diego 2 0 2
San Francisco 2 0 2
Santa Barbara 0 0 0
Santa Cruz 0 1 1
Lawrence Berkeley 0 0 0
Lawrence Livermore 0 0 0
Los Alamos 0 0 0
Other - UC 0 1 1
Other-Network UC n/a 23 23
_______ ______ _____
25 78 103
Per hour usage:
Time Sessions Finds Records Displayed
__________ __________ __________ _________________
12-2 a.m. 2 2 96
2-4 a.m. 2 4 17
4-6 a.m. 1 1 3
6-8 a.m. 3 17 75
8-10 a.m. 12 43 191
10-12 a.m. 17 53 551
12-2 p.m. 22 100 1,379
2-4 p.m. 16 29 298
4-6 p.m. 8 36 291
6-8 p.m. 7 10 105
8-10 p.m. 1 5 88
10-12 p.m. 12 83 93
__________ __________ __________ _________________
Total: 103 383 3,187
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 8 252 260
Davis 49 0 49
Irvine 5 0 5
Los Angeles 0 29 29
Riverside 0 0 0
San Diego 2 0 2
San Francisco 3 0 3
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 5 5
Other-Network UC n/a 30 30
_______ ______ _____
67 316 383
1.3 Records displayed
______________________
Zero results may indicate no access to the database
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 33 2,374 2,407
Davis 244 0 244
Irvine 16 0 16
Los Angeles 0 142 142
Riverside 0 0 0
San Diego 0 0 0
San Francisco 53 0 53
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 0 108 108
Other-Network UC n/a 217 217
_______ ______ _____
346 2,841 3,187
1.4 Response time
__________________
Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.5
Standard deviation in seconds 1.4
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
_________________________________________
Median session length (minutes:seconds) 4:16
Average session length (minutes:seconds) 9:30
Longest session recorded (minutes:seconds) 73:21
Average number of searches completed per session 3.7
Retrievals per search - median 2.0
Retrievals per search - average 382.5
Retrievals per search - standard deviation 2063.0
Percent of searches completed with 0 results 39.1%
Percent of searches entered that are long 2.1%
Percent of long searches completed
(includes partial results) 75.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 331 31.5%
DISPLAY (excluding automatic displays) 410 39.0%
BROWSE 0 0.0%
SELECT 0 0.0%
HELP 5 0.5%
EXPLAIN 9 0.9%
SET/RESET 49 4.7%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 52 4.9%
LOGON or LOGOFF 114 10.8%
COMMENT 0 0.0%
SAVE 58 5.5%
USE 0 0.0%
OTHER 24 2.3%
2.1 Article Text
_________________
DISPLAY TEXT commands 24
TEXT included with CONTINUOUS, PRINT, CAPTURE, or SLOW 5
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 135 29.6% 88 65.2% 11 26.6 42.6
TITLE WORD 34 7.5% 15 44.1% 4 26.4 43.5
EXACT TITLE 1 0.2% 1 100% 0 0.0 0.0
JOURNAL 12 2.6% 5 41.7% 668 1170.9 2091.6
EXACT JOURNAL 1 0.2% 0 0.0% 1,653 1653.0 0.0
SUBJECT 19 4.2% 10 52.6% 34 970.6 2050.2
EXACT SUBJECT 1 0.2% 1 100% 0 0.0 0.0
KEYWORD 119 26.1% 19 16.0% 40 1132.3 3788.4
PUB TYPE 5 1.1% 0 0.0% 63 214.8 344.5
DATE 36 7.9% 7 19.4% 30 1066.3 3019.0
ADDED 74 16.2% 74 100% 0 0.0 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 8 1.8% 1 12.5% 77 132.7 144.1
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 10 2.2% 3 30.0% 2 6.0 8.5
EXACT PE 1 0.2% 0 0.0% 1 1.0 0.0
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 124 37.6% 85 68.5% 20 799.0 2632.2
Single 206 62.4% 54 26.2% 21 679.8 2902.0
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 1.9%
SHORT 92.1%
LONG 0.6%
TAGS 0.0%
FIELDS 1.9%
BROWSE REVIEW 0.0%
BROWSE LONG 0.0%
PERIODICALS 2.9%
COMMENTS 0.0%
Other 0.6%
2.2 Error, EXPLAIN and HELP statistics
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Percent of commands that contained errors 11.3%
Ten most frequent errors:
1. DISPLAY command - no FIND results 56.0%
2. NS command - no next screen 18.7%
3. First word of command is invalid 11.9%
4. DISPLAY command contains invalid word 4.5%
5. FIND command with invalid index name 3.0%
6. Valid command at an inappropriate time 2.2%
7. Range of record numbers invalid 0.7%
8. PS command - no previous screen 0.7%
9. Invalid Publication Type entered 0.7%
10. NS of SHOW/EXP command-no next screen 0.7%
11. All others 0.7%
Ten most frequent EXPLAIN requests:
1. GUIDE (ABI DB) 33.3%
2. FIND (ABI DB) 22.2%
3. INDEXES (ABI DB) 11.1%
4. DATE (ABI DB) 11.1%
5. LOCATE (ARTICLE DBS) 11.1%
6. Unrecognized term 11.1%
11. All others 0.0%
Ten most frequent HELP situations:
1. DISPLAY command - middle of >1 screen 28.6%
2. Help requested from SET DB command 21.4%
3. First word of command is invalid 14.3%
4. DISPLAY command-complete in one screen 14.3%
5. NS of SHOW/EXP command-no next screen 14.3%
6. FIND command with invalid index name 7.1%
11. All others 0.0%
Ten most frequent SHOW requests:
1. 0.0%
2. 0.0%
3. 0.0%
4. 0.0%
5. 0.0%
6. 0.0%
7. 0.0%
8. 0.0%
9. 0.0%
10. 0.0%
11. All others 0.0%
ABImm/dd abi MELVYL ABI DATABASE TELNET STATISTICS (weekly)