MELVYL ABI DATABASE TELNET STATISTICS
Time period: 01/26/02 through 02/01/02
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Zero results may indicate no access to the database
Location Library Remote Total
________ _______ ______ _____
Berkeley 2 39 41
Davis 14 0 14
Irvine 3 0 3
Los Angeles 1 12 13
Riverside 2 0 2
San Diego 4 0 4
San Francisco 1 0 1
Santa Barbara 1 0 1
Santa Cruz 1 0 1
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 26 26
_______ ______ _____
30 77 107
Per hour usage:
Time Sessions Finds Records Displayed
__________ __________ __________ _________________
12-2 a.m. 4 5 92
2-4 a.m. 1 1 0
4-6 a.m. 2 4 53
6-8 a.m. 6 33 156
8-10 a.m. 11 61 288
10-12 a.m. 15 42 428
12-2 p.m. 16 51 746
2-4 p.m. 23 79 835
4-6 p.m. 12 54 418
6-8 p.m. 2 3 8
8-10 p.m. 4 9 82
10-12 p.m. 11 70 32
__________ __________ __________ _________________
Total: 107 412 3,138
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 5 173 178
Davis 89 0 89
Irvine 3 0 3
Los Angeles 6 28 34
Riverside 4 0 4
San Diego 5 0 5
San Francisco 1 0 1
Santa Barbara 1 0 1
Santa Cruz 1 0 1
Lawrence Berkeley 0 0 0
Lawrence Livermore 0 0 0
Los Alamos 0 0 0
Other - UC 2 0 2
Other-Network UC n/a 94 94
_______ ______ _____
117 295 412
1.3 Records displayed
______________________
Zero results may indicate no access to the database
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 21 1,351 1,372
Davis 720 0 720
Irvine 8 0 8
Los Angeles 3 435 438
Riverside 10 0 10
San Diego 77 0 77
San Francisco 0 0 0
Santa Barbara 0 0 0
Santa Cruz 1 0 1
Lawrence Berkeley 0 0 0
Lawrence Livermore 0 0 0
Los Alamos 0 0 0
Other - UC 53 0 53
Other-Network UC n/a 459 459
_______ ______ _____
893 2,245 3,138
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) 10:12
Average session length (minutes:seconds) 22:09
Longest session recorded (minutes:seconds) 386:13
Average number of searches completed per session 3.8
Retrievals per search - median 3.0
Retrievals per search - average 280.9
Retrievals per search - standard deviation 2190.7
Percent of searches completed with 0 results 35.1%
Percent of searches entered that are long 1.5%
Percent of long searches completed
(includes partial results) 66.7%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 389 36.6%
DISPLAY (excluding automatic displays) 416 39.2%
BROWSE 1 0.1%
SELECT 2 0.2%
HELP 15 1.4%
EXPLAIN 6 0.6%
SET/RESET 58 5.5%
SHOW 7 0.7%
ADD ON (AND, OR, AND NOT) 22 2.1%
LOGON or LOGOFF 113 10.6%
COMMENT 0 0.0%
SAVE 6 0.6%
USE 0 0.0%
OTHER 30 2.8%
2.1 Article Text
_________________
DISPLAY TEXT commands 26
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 152 32.5% 78 51.3% 16 303.9 1498.1
TITLE WORD 63 13.5% 27 42.9% 4 69.3 162.4
EXACT TITLE 7 1.5% 4 57.1% 2 5.0 6.1
JOURNAL 5 1.1% 2 40.0% 195 977.3 1514.5
EXACT JOURNAL 10 2.1% 3 30.0% 1,401 2056.6 2044.4
SUBJECT 13 2.8% 3 23.1% 829 747.4 258.0
EXACT SUBJECT 0 0.0% 0 0.0% 0 0.0 0.0
KEYWORD 82 17.6% 18 21.9% 48 972.3 5184.2
PUB TYPE 4 0.9% 0 0.0% 11 13.3 10.3
DATE 2 0.4% 1 50.0% 14 14.0 0.0
ADDED 60 12.8% 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 2 0.4% 1 50.0% 5 5.0 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 1 0.2% 0 0.0% 1,022 1022.0 0.0
PERIODICAL 53 11.3% 4 7.5% 6 34.6 72.6
EXACT PE 13 2.8% 0 0.0% 2 4.2 5.9
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 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 80 20.7% 66 82.5% 4 24.2 52.3
Single 307 79.3% 69 22.5% 17 479.8 2861.2
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 1 100% 0 0.0% 4 4.0 0.0
EXACT SUBJECT 0 0.0% 0 0.0% 0 0.0 0.0
DISPLAY commands, by type, excluding automatic displays:
REVIEW 1.6%
SHORT 72.7%
LONG 2.6%
TAGS 0.0%
FIELDS 1.6%
BROWSE REVIEW 0.0%
BROWSE LONG 0.0%
PERIODICALS 20.2%
COMMENTS 0.0%
Other 1.2%
2.2 Error, EXPLAIN and HELP statistics
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Percent of commands that contained errors 13.1%
Ten most frequent errors:
1. DISPLAY command - no FIND results 37.5%
2. NS command - no next screen 19.4%
3. First word of command is invalid 15.0%
4. FIND command with invalid index name 11.3%
5. Valid command at an inappropriate time 4.4%
6. PS command - no previous screen 3.1%
7. DISPLAY command contains invalid word 1.3%
8. Search term missing from search command 1.3%
9. Add-on search, no index name after verb 1.3%
10. 28 0.6%
11. All others 5.0%
Ten most frequent EXPLAIN requests:
1. GUIDE (ABI DB) 50.0%
2. FIND (ABI DB) 16.7%
3. LOCATE (ARTICLE DBS) 16.7%
4. 1714 16.7%
11. All others 0.0%
Ten most frequent HELP situations:
1. FIND command with invalid index name 19.0%
2. Help requested from SET DB command 19.0%
3. Valid command at an inappropriate time 9.5%
4. FIND command with zero results 9.5%
5. FIND command retrieves 1 book 9.5%
6. 831 9.5%
7. First word of command is invalid 4.8%
8. NS command - no next screen 4.8%
9. DISPLAY command-first of >1 screen 4.8%
10. DISPLAY command - middle of >1 screen 4.8%
11. All others 4.8%
Ten most frequent SHOW requests:
1. HISTORY 33.3%
2. PUBLICATION TYPES (ABI DB) 16.7%
3. ABI NEWS 16.7%
4. 6320 16.7%
5. SEARCH 16.7%
11. All others 0.0%
ABImm/dd abi MELVYL ABI DATABASE TELNET STATISTICS (weekly)