MELVYL ABI DATABASE TELNET STATISTICS
Time period: 03/24/01 through 03/30/01
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Zero results may indicate no access to the database
Location Library Remote Total
________ _______ ______ _____
Berkeley 8 49 57
Davis 15 0 15
Irvine 32 0 32
Los Angeles 0 46 46
Riverside 1 0 1
San Diego 1 5 6
San Francisco 18 0 18
Santa Barbara 0 3 3
Santa Cruz 0 0 0
Lawrence Berkeley 0 0 0
Lawrence Livermore 0 0 0
Los Alamos 0 0 0
Other - UC 1 2 3
Other-Network UC n/a 47 47
_______ ______ _____
76 152 228
Per hour usage:
Time Sessions Finds Records Displayed
__________ __________ __________ _________________
12-2 a.m. 8 21 154
2-4 a.m. 0 0 0
4-6 a.m. 1 12 172
6-8 a.m. 7 16 161
8-10 a.m. 19 94 863
10-12 a.m. 43 117 1,198
12-2 p.m. 34 84 900
2-4 p.m. 47 152 1,594
4-6 p.m. 40 167 2,040
6-8 p.m. 17 44 313
8-10 p.m. 5 23 465
10-12 p.m. 7 28 152
__________ __________ __________ _________________
Total: 228 758 8,012
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 24 139 163
Davis 57 0 57
Irvine 128 0 128
Los Angeles 0 163 163
Riverside 5 0 5
San Diego 2 33 35
San Francisco 59 0 59
Santa Barbara 0 9 9
Santa Cruz 0 0 0
Lawrence Berkeley 0 0 0
Lawrence Livermore 0 0 0
Los Alamos 0 0 0
Other - UC 1 8 9
Other-Network UC n/a 130 130
_______ ______ _____
276 482 758
1.3 Records displayed
______________________
Zero results may indicate no access to the database
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 101 1,406 1,507
Davis 955 0 955
Irvine 751 0 751
Los Angeles 0 1,399 1,399
Riverside 82 0 82
San Diego 0 518 518
San Francisco 1,314 0 1,314
Santa Barbara 0 11 11
Santa Cruz 0 0 0
Lawrence Berkeley 0 0 0
Lawrence Livermore 0 0 0
Los Alamos 0 0 0
Other - UC 9 62 71
Other-Network UC n/a 1,404 1,404
_______ ______ _____
3,212 4,800 8,012
1.4 Response time
__________________
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) 11:28
Average session length (minutes:seconds) 16:08
Longest session recorded (minutes:seconds) 359:18
Average number of searches completed per session 3.3
Retrievals per search - median 7.0
Retrievals per search - average 600.2
Retrievals per search - standard deviation 4287.1
Percent of searches completed with 0 results 27.9%
Percent of searches entered that are long 2.9%
Percent of long searches completed
(includes partial results) 77.3%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 658 28.1%
DISPLAY (excluding automatic displays) 1,002 42.8%
BROWSE 2 0.1%
SELECT 0 0.0%
HELP 7 0.3%
EXPLAIN 14 0.6%
SET/RESET 100 4.3%
SHOW 2 0.1%
ADD ON (AND, OR, AND NOT) 100 4.3%
LOGON or LOGOFF 269 11.5%
COMMENT 0 0.0%
SAVE 113 4.8%
USE 2 0.1%
OTHER 73 3.1%
2.1 Article Text
_________________
DISPLAY TEXT commands 67
TEXT included with CONTINUOUS, PRINT, CAPTURE, or SLOW 27
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 262 37.2% 71 27.1% 11 34.7 100.4
TITLE WORD 130 18.5% 55 42.3% 16 52.8 108.2
EXACT TITLE 9 1.3% 3 33.3% 1 110.2 267.4
JOURNAL 54 7.7% 20 37.0% 84 503.9 767.1
EXACT JOURNAL 24 3.4% 9 37.5% 1,934 6842.1 11185.5
SUBJECT 28 4.0% 11 39.3% 95 9031.4 18349.2
EXACT SUBJECT 9 1.3% 2 22.2% 38 2603.1 4015.2
KEYWORD 146 20.7% 20 13.7% 28 1010.8 5938.6
PUB TYPE 5 0.7% 0 0.0% 31 62.8 71.2
DATE 7 1.0% 3 42.9% 25 878.0 1721.4
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 0 0.0% 0 0.0% 0 0.0 0.0
COMPANY NAME 3 0.4% 0 0.0% 254 170.0 145.5
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 18 2.6% 2 11.1% 3 12.4 26.1
EXACT PE 8 1.1% 0 0.0% 2 8.1 11.3
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 0.1% 0 0.0% 25 25.0 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 48 7.3% 15 31.3% 14 147.2 602.8
Single 606 92.7% 164 27.1% 16 961.6 5536.8
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 2 100% 0 0.0% 7 7.0 0.0
EXACT SUBJECT 0 0.0% 0 0.0% 0 0.0 0.0
DISPLAY commands, by type, excluding automatic displays:
REVIEW 2.5%
SHORT 87.2%
LONG 0.6%
TAGS 0.0%
FIELDS 2.0%
BROWSE REVIEW 0.2%
BROWSE LONG 0.0%
PERIODICALS 2.7%
COMMENTS 0.0%
Other 4.8%
2.2 Error, EXPLAIN and HELP statistics
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Percent of commands that contained errors 7.5%
Ten most frequent errors:
1. NS command - no next screen 47.1%
2. First word of command is invalid 14.1%
3. DISPLAY command contains invalid word 6.8%
4. FIND command with invalid index name 6.3%
5. Valid command at an inappropriate time 2.1%
6. Command contains escape or arrow key 2.1%
7. DISPLAY command - no FIND results 1.6%
8. PS command - no previous screen 1.6%
9. Add-on search, no index name after verb 1.6%
10. 1243 1.6%
11. All others 15.2%
Ten most frequent EXPLAIN requests:
1. GUIDE (ABI DB) 21.4%
2. FIND (ABI DB) 14.3%
3. B034 14.3%
4. FULL TEXT 7.1%
5. COMMANDS (ABI/PSY DBS) 7.1%
6. B121 7.1%
7. LOCATE (ARTICLE DBS) 7.1%
8. HELP 7.1%
9. PRINT 7.1%
10. ADDON SEARCH 7.1%
11. All others 0.0%
Ten most frequent HELP situations:
1. FIND command retrieves >1 book 19.0%
2. FIND command with zero results 14.3%
3. Help requested from SET DB command 14.3%
4. 3 HELP commands issued from same code 9.5%
5. DISPLAY command-complete in one screen 9.5%
6. First word of command is invalid 4.8%
7. SET command with invalid setting 4.8%
8. FIND command with invalid index name 4.8%
9. Add-on without index name after verb 4.8%
10. 213 4.8%
11. All others 9.5%
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)