MELVYL ABI DATABASE TELNET STATISTICS
Time period: 12/22/01 through 12/28/01
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Zero results may indicate no access to the database
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 7 7
Davis 1 0 1
Irvine 3 0 3
Los Angeles 0 6 6
Riverside 0 2 2
San Diego 0 1 1
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 0 0
Other-Network UC n/a 21 21
_______ ______ _____
7 37 44
Per hour usage:
Time Sessions Finds Records Displayed
__________ __________ __________ _________________
12-2 a.m. 5 8 88
2-4 a.m. 0 0 0
4-6 a.m. 2 3 71
6-8 a.m. 1 1 0
8-10 a.m. 7 18 767
10-12 a.m. 10 52 1,774
12-2 p.m. 3 2 0
2-4 p.m. 3 3 31
4-6 p.m. 1 2 1
6-8 p.m. 2 2 27
8-10 p.m. 3 6 628
10-12 p.m. 7 65 10
__________ __________ __________ _________________
Total: 44 162 3,397
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 66 66
Davis 4 0 4
Irvine 33 0 33
Los Angeles 0 10 10
Riverside 0 8 8
San Diego 0 3 3
San Francisco 11 0 11
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 0 0
Other-Network UC n/a 27 27
_______ ______ _____
48 114 162
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 83 83
Davis 139 0 139
Irvine 279 0 279
Los Angeles 0 49 49
Riverside 0 184 184
San Diego 0 71 71
San Francisco 238 0 238
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 0 0
Other-Network UC n/a 2,354 2,354
_______ ______ _____
656 2,741 3,397
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
_________________________________________
Median session length (minutes:seconds) 7:54
Average session length (minutes:seconds) 20:25
Longest session recorded (minutes:seconds) 98:50
Average number of searches completed per session 3.7
Retrievals per search - median 0.0
Retrievals per search - average 429.3
Retrievals per search - standard deviation 3016.4
Percent of searches completed with 0 results 52.2%
Percent of searches entered that are long 4.9%
Percent of long searches completed
(includes partial results) 87.5%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 149 23.7%
DISPLAY (excluding automatic displays) 293 46.7%
BROWSE 0 0.0%
SELECT 0 0.0%
HELP 0 0.0%
EXPLAIN 2 0.3%
SET/RESET 23 3.7%
SHOW 1 0.2%
ADD ON (AND, OR, AND NOT) 13 2.1%
LOGON or LOGOFF 46 7.3%
COMMENT 0 0.0%
SAVE 88 14.0%
USE 0 0.0%
OTHER 13 2.1%
2.1 Article Text
_________________
DISPLAY TEXT commands 32
TEXT included with CONTINUOUS, PRINT, CAPTURE, or SLOW 13
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 87 36.4% 68 78.2% 3 13.0 14.2
TITLE WORD 20 8.4% 7 35.0% 12 256.4 490.7
EXACT TITLE 0 0.0% 0 0.0% 0 0.0 0.0
JOURNAL 9 3.8% 2 22.2% 40 163.6 222.0
EXACT JOURNAL 4 1.7% 0 0.0% 13 32.3 47.5
SUBJECT 8 3.3% 0 0.0% 335 488.0 570.1
EXACT SUBJECT 0 0.0% 0 0.0% 0 0.0 0.0
KEYWORD 38 15.9% 8 21.1% 46 2035.8 6829.0
PUB TYPE 0 0.0% 0 0.0% 0 0.0 0.0
DATE 4 1.7% 0 0.0% 2 4.3 5.3
ADDED 60 25.1% 60 100% 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 3.3% 1 12.5% 328 445.3 599.2
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 1 0.4% 0 0.0% 3 3.0 0.0
EXACT PE 0 0.0% 0 0.0% 0 0.0 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 87 58.8% 64 73.6% 29 220.0 401.3
Single 61 41.2% 18 29.5% 18 1411.6 5754.3
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 4.0%
SHORT 91.3%
LONG 0.3%
TAGS 0.0%
FIELDS 1.8%
BROWSE REVIEW 0.0%
BROWSE LONG 0.0%
PERIODICALS 1.1%
COMMENTS 0.0%
Other 1.6%
2.2 Error, EXPLAIN and HELP statistics
_______________________________________
Percent of commands that contained errors 13.3%
Ten most frequent errors:
1. DISPLAY command - no FIND results 64.6%
2. NS command - no next screen 13.5%
3. First word of command is invalid 9.4%
4. DISPLAY command-record numbers too large 4.2%
5. DISPLAY command contains invalid word 3.1%
6. Add-on search, no index name after verb 2.1%
7. FIND command with invalid index name 1.0%
8. D LIST command issued; no list exists 1.0%
9. 923 1.0%
11. All others 0.0%
Ten most frequent EXPLAIN requests:
1. INSPEC BACKFILES 100%
11. All others 0.0%
Ten most frequent HELP situations:
1. 352 100%
11. All others 0.0%
Ten most frequent SHOW requests:
1. HISTORY 100%
11. All others 0.0%
ABImm/dd abi MELVYL ABI DATABASE TELNET STATISTICS (weekly)