MELVYL ABI DATABASE TELNET STATISTICS
Time period: 07/07/01 through 07/13/01
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Zero results may indicate no access to the database
Location Library Remote Total
________ _______ ______ _____
Berkeley 19 51 70
Davis 11 0 11
Irvine 14 0 14
Los Angeles 1 20 21
Riverside 2 0 2
San Diego 2 13 15
San Francisco 4 0 4
Santa Barbara 0 4 4
Santa Cruz 0 1 1
Lawrence Berkeley 0 0 0
Lawrence Livermore 0 1 1
Los Alamos 0 0 0
Other - UC 0 0 0
Other-Network UC n/a 53 53
_______ ______ _____
53 143 196
Per hour usage:
Time Sessions Finds Records Displayed
__________ __________ __________ _________________
12-2 a.m. 0 0 0
2-4 a.m. 1 1 12
4-6 a.m. 3 8 26
6-8 a.m. 9 24 144
8-10 a.m. 34 63 920
10-12 a.m. 33 103 2,189
12-2 p.m. 28 83 1,867
2-4 p.m. 34 110 1,245
4-6 p.m. 26 70 1,596
6-8 p.m. 10 29 139
8-10 p.m. 6 23 278
10-12 p.m. 12 45 209
__________ __________ __________ _________________
Total: 196 559 8,625
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 45 121 166
Davis 54 0 54
Irvine 50 0 50
Los Angeles 1 39 40
Riverside 11 0 11
San Diego 8 50 58
San Francisco 9 0 9
Santa Barbara 1 9 10
Santa Cruz 18 2 20
Lawrence Berkeley 0 0 0
Lawrence Livermore 0 1 1
Los Alamos 0 0 0
Other - UC 0 0 0
Other-Network UC n/a 140 140
_______ ______ _____
197 362 559
1.3 Records displayed
______________________
Zero results may indicate no access to the database
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 652 2,248 2,900
Davis 429 0 429
Irvine 1,810 0 1,810
Los Angeles 98 1,186 1,284
Riverside 123 0 123
San Diego 66 302 368
San Francisco 191 0 191
Santa Barbara 0 75 75
Santa Cruz 43 490 533
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 912 912
_______ ______ _____
3,412 5,213 8,625
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 1.1
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) 6:56
Average session length (minutes:seconds) 13:24
Longest session recorded (minutes:seconds) 99:49
Average number of searches completed per session 2.8
Retrievals per search - median 9.0
Retrievals per search - average 577.1
Retrievals per search - standard deviation 2893.7
Percent of searches completed with 0 results 24.0%
Percent of searches entered that are long 2.5%
Percent of long searches completed
(includes partial results) 71.4%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 505 27.5%
DISPLAY (excluding automatic displays) 833 45.3%
BROWSE 0 0.0%
SELECT 0 0.0%
HELP 13 0.7%
EXPLAIN 24 1.3%
SET/RESET 82 4.5%
SHOW 3 0.2%
ADD ON (AND, OR, AND NOT) 54 2.9%
LOGON or LOGOFF 256 13.9%
COMMENT 0 0.0%
SAVE 13 0.7%
USE 0 0.0%
OTHER 54 2.9%
2.1 Article Text
_________________
DISPLAY TEXT commands 49
TEXT included with CONTINUOUS, PRINT, CAPTURE, or SLOW 3
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 171 30.9% 36 21.1% 12 67.4 248.8
TITLE WORD 121 21.8% 44 36.4% 13 85.9 162.1
EXACT TITLE 9 1.6% 5 55.6% 9 9.3 9.6
JOURNAL 15 2.7% 5 33.3% 1,572 3483.1 4655.5
EXACT JOURNAL 27 4.9% 9 33.3% 36 296.2 447.7
SUBJECT 29 5.2% 7 24.1% 350 3986.3 7948.8
EXACT SUBJECT 1 0.2% 0 0.0% 36,637 36637.0 0.0
KEYWORD 109 19.7% 12 11.0% 50 530.7 1734.4
PUB TYPE 1 0.2% 0 0.0% 52 52.0 0.0
DATE 25 4.5% 2 8.0% 12 64.4 133.4
ADDED 0 0.0% 0 0.0% 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 1 0.2% 0 0.0% 95 95.0 0.0
COMPANY NAME 4 0.7% 1 25.0% 4 101.0 169.7
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 17 3.1% 3 17.6% 801 4473.6 9965.9
PERIODICAL 17 3.1% 3 17.6% 3 17.9 34.6
EXACT PE 6 1.1% 1 16.7% 6 16.4 15.2
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 1 0.2% 1 100% 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 49 9.8% 8 16.3% 10 952.3 5714.1
Single 453 90.2% 113 24.9% 24 642.5 2667.8
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 7.9%
SHORT 83.5%
LONG 1.0%
TAGS 0.0%
FIELDS 2.4%
BROWSE REVIEW 0.0%
BROWSE LONG 0.0%
PERIODICALS 3.8%
COMMENTS 0.0%
Other 1.4%
2.2 Error, EXPLAIN and HELP statistics
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Percent of commands that contained errors 8.2%
Ten most frequent errors:
1. First word of command is invalid 44.5%
2. NS command - no next screen 34.8%
3. FIND command with invalid index name 4.9%
4. Valid command at an inappropriate time 1.8%
5. DISPLAY command - no FIND results 1.8%
6. DISPLAY command contains invalid word 1.8%
7. PS command - no previous screen 1.2%
8. Search term missing from search command 1.2%
9. Index invalid in current database 1.2%
10. 1232 1.2%
11. All others 5.5%
Ten most frequent EXPLAIN requests:
1. GUIDE (ABI DB) 20.8%
2. FIND (ABI DB) 12.5%
3. DATABASES 12.5%
4. 1212 8.3%
5. FULL TEXT 4.2%
6. ABI/INFORM DB 4.2%
7. COMMANDS (ABI/PSY DBS) 4.2%
8. DISPLAY (ABI DB) 4.2%
9. B154 4.2%
10. G771 4.2%
11. All others 20.8%
Ten most frequent HELP situations:
1. Help requested from SET DB command 37.8%
2. First word of command is invalid 18.9%
3. FIND command with zero results 13.5%
4. 1273 8.1%
5. FIND command with invalid index name 5.4%
6. PE display complete in one screen 5.4%
7. SET DB command entered w/o modifier 2.7%
8. NS command - no next screen 2.7%
9. 3 HELP commands issued from same code 2.7%
10. DISPLAY command - middle of >1 screen 2.7%
11. All others 0.0%
Ten most frequent SHOW requests:
1. LIBRARY LOCATIONS 100%
11. All others 0.0%
ABImm/dd abi MELVYL ABI DATABASE TELNET STATISTICS (weekly)