MELVYL ABI DATABASE TELNET STATISTICS
Time period: 12/15/01 through 12/21/01
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Zero results may indicate no access to the database
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 46 46
Davis 11 0 11
Irvine 27 0 27
Los Angeles 0 13 13
Riverside 2 0 2
San Diego 4 0 4
San Francisco 7 0 7
Santa Barbara 0 1 1
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 39 39
_______ ______ _____
52 99 151
Per hour usage:
Time Sessions Finds Records Displayed
__________ __________ __________ _________________
12-2 a.m. 5 19 71
2-4 a.m. 1 2 3
4-6 a.m. 2 4 18
6-8 a.m. 8 23 93
8-10 a.m. 19 41 202
10-12 a.m. 33 98 1,074
12-2 p.m. 19 70 555
2-4 p.m. 21 63 341
4-6 p.m. 18 48 350
6-8 p.m. 4 25 231
8-10 p.m. 13 17 299
10-12 p.m. 8 65 55
__________ __________ __________ _________________
Total: 151 475 3,292
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 0 214 214
Davis 42 0 42
Irvine 49 0 49
Los Angeles 0 43 43
Riverside 4 0 4
San Diego 9 0 9
San Francisco 34 0 34
Santa Barbara 0 2 2
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 78 78
_______ ______ _____
138 337 475
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 1,155 1,155
Davis 92 0 92
Irvine 313 0 313
Los Angeles 0 741 741
Riverside 35 0 35
San Diego 3 0 3
San Francisco 378 0 378
Santa Barbara 0 50 50
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 525 525
_______ ______ _____
821 2,471 3,292
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 0.2
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 10:53
Average session length (minutes:seconds) 11:35
Longest session recorded (minutes:seconds) 117:15
Average number of searches completed per session 3.1
Retrievals per search - median 3.0
Retrievals per search - average 148.6
Retrievals per search - standard deviation 734.4
Percent of searches completed with 0 results 35.2%
Percent of searches entered that are long 2.1%
Percent of long searches completed
(includes partial results) 70.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 441 35.3%
DISPLAY (excluding automatic displays) 455 36.5%
BROWSE 0 0.0%
SELECT 0 0.0%
HELP 1 0.1%
EXPLAIN 5 0.4%
SET/RESET 48 3.8%
SHOW 7 0.6%
ADD ON (AND, OR, AND NOT) 34 2.7%
LOGON or LOGOFF 214 17.1%
COMMENT 0 0.0%
SAVE 8 0.6%
USE 0 0.0%
OTHER 35 2.8%
2.1 Article Text
_________________
DISPLAY TEXT commands 18
TEXT included with CONTINUOUS, PRINT, CAPTURE, or SLOW 0
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 256 47.4% 101 39.5% 8 67.7 414.0
TITLE WORD 70 13.0% 30 42.9% 8 32.6 92.6
EXACT TITLE 9 1.7% 2 22.2% 1 7.7 13.8
JOURNAL 18 3.3% 10 55.6% 48 352.0 597.1
EXACT JOURNAL 11 2.0% 2 18.2% 270 591.8 1016.5
SUBJECT 16 3.0% 11 68.8% 202 1297.6 1604.7
EXACT SUBJECT 5 0.9% 3 60.0% 5,398 5397.5 2921.1
KEYWORD 52 9.6% 5 9.6% 127 789.4 1652.1
PUB TYPE 0 0.0% 0 0.0% 0 0.0 0.0
DATE 8 1.5% 1 12.5% 3 12.7 24.9
ADDED 72 13.3% 66 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 0 0.0% 0 0.0% 0 0.0 0.0
EX COMPANY NAME 0 0.0% 0 0.0% 0 0.0 0.0
DUNS 1 0.2% 1 100% 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 13 2.4% 2 15.4% 11 47.6 101.9
EXACT PE 8 1.5% 0 0.0% 2 10.4 22.2
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% 0 0.0% 136 136.0 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 101 23.1% 77 76.2% 1 269.0 858.4
Single 337 76.9% 80 23.7% 14 242.5 948.8
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 5.7%
SHORT 85.2%
LONG 1.8%
TAGS 0.2%
FIELDS 1.1%
BROWSE REVIEW 0.0%
BROWSE LONG 0.0%
PERIODICALS 4.9%
COMMENTS 0.0%
Other 1.1%
2.2 Error, EXPLAIN and HELP statistics
_______________________________________
Percent of commands that contained errors 11.1%
Ten most frequent errors:
1. DISPLAY command - no FIND results 46.2%
2. NS command - no next screen 23.1%
3. First word of command is invalid 11.5%
4. FIND command with invalid index name 5.1%
5. 174 1.9%
6. 40 1.3%
7. DISPLAY command contains invalid word 1.3%
8. PS command - no previous screen 1.3%
9. Search term missing from search command 1.3%
10. Single letter keyword search 1.3%
11. All others 5.8%
Ten most frequent EXPLAIN requests:
1. DATE (ABI DB) 40.0%
2. GUIDE (ABI DB) 20.0%
3. INDEXES (ABI DB) 20.0%
4. PUBLICATION TYPES (ABI DB) 20.0%
11. All others 0.0%
Ten most frequent HELP situations:
1. First word of command is invalid 33.3%
2. 117 16.7%
3. FIND command with zero results 16.7%
4. FIND command retrieves >1 book 16.7%
5. Help requested from SET DB command 16.7%
11. All others 0.0%
Ten most frequent SHOW requests:
1. HISTORY 42.9%
2. PSYCINFO LOADING STATISTICS 28.6%
3. ABI NEWS 14.3%
4. ABI LOADING STATISTICS 14.3%
11. All others 0.0%
ABImm/dd abi MELVYL ABI DATABASE TELNET STATISTICS (weekly)