MELVYL ABI DATABASE TELNET STATISTICS
Time period: 02/09/02 through 02/15/02
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Zero results may indicate no access to the database
Location Library Remote Total
________ _______ ______ _____
Berkeley 3 51 54
Davis 10 1 11
Irvine 8 0 8
Los Angeles 1 10 11
Riverside 1 0 1
San Diego 2 9 11
San Francisco 0 0 0
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 1 0 1
Other-Network UC n/a 29 29
_______ ______ _____
26 100 126
Per hour usage:
Time Sessions Finds Records Displayed
__________ __________ __________ _________________
12-2 a.m. 3 12 654
2-4 a.m. 1 11 64
4-6 a.m. 2 4 28
6-8 a.m. 6 11 78
8-10 a.m. 12 33 349
10-12 a.m. 18 49 306
12-2 p.m. 38 68 292
2-4 p.m. 19 57 1,260
4-6 p.m. 8 16 121
6-8 p.m. 7 15 251
8-10 p.m. 2 4 16
10-12 p.m. 10 96 54
__________ __________ __________ _________________
Total: 126 376 3,473
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 9 175 184
Davis 19 1 20
Irvine 16 0 16
Los Angeles 1 22 23
Riverside 3 0 3
San Diego 2 42 44
San Francisco 0 0 0
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 1 0 1
Other-Network UC n/a 85 85
_______ ______ _____
51 325 376
1.3 Records displayed
______________________
Zero results may indicate no access to the database
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 386 1,430 1,816
Davis 113 0 113
Irvine 87 0 87
Los Angeles 1 737 738
Riverside 62 0 62
San Diego 23 167 190
San Francisco 0 0 0
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 4 0 4
Other-Network UC n/a 463 463
_______ ______ _____
676 2,797 3,473
1.4 Response time
__________________
Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.6
Standard deviation in seconds 1.8
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) 9:36
Average session length (minutes:seconds) 15:00
Longest session recorded (minutes:seconds) 254:09
Average number of searches completed per session 3.0
Retrievals per search - median 1.0
Retrievals per search - average 452.2
Retrievals per search - standard deviation 2773.2
Percent of searches completed with 0 results 46.8%
Percent of searches entered that are long 1.6%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 355 35.3%
DISPLAY (excluding automatic displays) 321 31.9%
BROWSE 0 0.0%
SELECT 0 0.0%
HELP 15 1.5%
EXPLAIN 6 0.6%
SET/RESET 57 5.7%
SHOW 5 0.5%
ADD ON (AND, OR, AND NOT) 21 2.1%
LOGON or LOGOFF 151 15.0%
COMMENT 0 0.0%
SAVE 32 3.2%
USE 0 0.0%
OTHER 44 4.4%
2.1 Article Text
_________________
DISPLAY TEXT commands 34
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 163 35.5% 100 61.3% 10 93.8 407.7
TITLE WORD 54 11.8% 24 44.4% 15 132.7 241.5
EXACT TITLE 25 5.4% 14 56.0% 1 8.7 16.8
JOURNAL 12 2.6% 10 83.3% 2 2.0 1.4
EXACT JOURNAL 8 1.7% 0 0.0% 8 1053.9 1639.6
SUBJECT 25 5.4% 14 56.0% 2,007 3981.5 5199.7
EXACT SUBJECT 0 0.0% 0 0.0% 0 0.0 0.0
KEYWORD 69 15.0% 12 17.4% 80 1846.4 6359.4
PUB TYPE 0 0.0% 0 0.0% 0 0.0 0.0
DATE 1 0.2% 0 0.0% 953 953.0 0.0
ADDED 84 18.3% 84 100% 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 1 0.2% 0 0.0% 286 286.0 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 7 1.5% 0 0.0% 4 15.1 17.5
EXACT PE 5 1.1% 0 0.0% 10 100.0 206.9
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 5 1.1% 1 20.0% 159 155.5 123.6
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 106 30.0% 92 86.8% 3 113.7 258.7
Single 247 70.0% 75 30.4% 19 969.5 4033.7
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 1.2%
SHORT 85.1%
LONG 0.5%
TAGS 0.0%
FIELDS 2.7%
BROWSE REVIEW 0.0%
BROWSE LONG 0.0%
PERIODICALS 6.1%
COMMENTS 0.0%
Other 4.4%
2.2 Error, EXPLAIN and HELP statistics
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Percent of commands that contained errors 20.1%
Ten most frequent errors:
1. DISPLAY command - no FIND results 34.0%
2. NS of SHOW/EXP command-no next screen 28.1%
3. NS command - no next screen 13.4%
4. First word of command is invalid 10.7%
5. FIND command with invalid index name 5.5%
6. DISPLAY command contains invalid word 2.0%
7. 125 1.2%
8. 414 0.8%
9. 422 0.8%
10. 1240 0.8%
11. All others 2.8%
Ten most frequent EXPLAIN requests:
1. GUIDE (ABI DB) 33.3%
2. FIND (ABI DB) 33.3%
3. LOCATE (ARTICLE DBS) 16.7%
4. Unrecognized term 16.7%
11. All others 0.0%
Ten most frequent HELP situations:
1. Help requested from SET DB command 23.8%
2. FIND command with invalid index name 19.0%
3. DISPLAY command - last of >1 screen 19.0%
4. First word of command is invalid 14.3%
5. NS command - no next screen 14.3%
6. DISPLAY command - no FIND results 4.8%
7. 125 4.8%
11. All others 0.0%
Ten most frequent SHOW requests:
1. SEARCH 100%
11. All others 0.0%
ABImm/dd abi MELVYL ABI DATABASE TELNET STATISTICS (weekly)