MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS
Time period: 03/23/02 through 03/29/02
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 6 36 42
Davis 2 0 2
Irvine 4 0 4
Los Angeles 0 5 5
Riverside 1 3 4
San Diego 1 0 1
San Francisco 0 0 0
Santa Barbara 0 0 0
Santa Cruz 0 1 1
Other - UC 1 2 3
Other-Network UC n/a 12 12
_______ ______ _____
15 59 74
Per hour usage:
Time Sessions Finds Records Displayed
__________ __________ __________ _________________
12-2 a.m. 1 2 18
2-4 a.m. 1 1 9
4-6 a.m. 0 0 0
6-8 a.m. 2 2 5
8-10 a.m. 9 13 111
10-12 a.m. 14 55 827
12-2 p.m. 9 26 157
2-4 p.m. 18 35 438
4-6 p.m. 11 19 360
6-8 p.m. 4 13 63
8-10 p.m. 3 6 29
10-12 p.m. 2 3 4
__________ __________ __________ _________________
Total: 74 175 2,021
1.2 FIND commands
__________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 16 99 115
Davis 2 0 2
Irvine 5 0 5
Los Angeles 0 9 9
Riverside 2 6 8
San Diego 0 0 0
San Francisco 0 0 0
Santa Barbara 0 0 0
Santa Cruz 0 1 1
Other - UC 0 1 1
Other-Network UC n/a 34 34
_______ ______ _____
25 150 175
Number of FIND commands by database
WorldCat 0
Art Index 7
ArticleFirst 0
ContentsFirst 0
ERIC 0
GPO 0
PapersFirst Index 0
ProceedingsFirst Index 0
SocAbstracts 0
PAIS International 0
MLA Bibliography 168
RILM Index 0
Total number of FIND commands 175
1.3 Records displayed
______________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 91 535 626
Davis 4 0 4
Irvine 238 0 238
Los Angeles 0 96 96
Riverside 5 69 74
San Diego 0 0 0
San Francisco 0 0 0
Santa Barbara 0 0 0
Santa Cruz 0 5 5
Other - UC 0 0 0
Other-Network UC n/a 978 978
_______ ______ _____
338 1,683 2,021
Number of Records Displayed by database
WorldCat 0
Art Index 77
ArticleFirst 0
ContentsFirst 0
ERIC 0
GPO 0
PapersFirst Index 0
ProceedingsFirst Index 0
SocAbstracts 0
PAIS International 0
MLA Bibliography 1,944
RILM Index 0
Total number of Records Displayed 2,021
1.4 Relative Use of Databases
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Relative use of OCLC-Z39.50 databases: Sessions Percentage
WorldCat 0 0.0%
Art Index 3 4.1%
ArticleFirst 0 0.0%
ContentsFirst 0 0.0%
ERIC 0 0.0%
GPO 0 0.0%
PapersFirst Index 0 0.0%
ProceedingsFirst Index 0 0.0%
SocAbstracts 0 0.0%
PAIS International 0 0.0%
MLA Bibliography 71 95.9%
RILM Index 0 0.0%
Percent of searches done in the WCAT database 0.0%
Percent of searches done in the ART database 4.0%
Percent of searches done in the JRNL database 0.0%
Percent of searches done in the JRNLT database 0.0%
Percent of searches done in the EDUC database 0.0%
Percent of searches done in the GDOC database 0.0%
Percent of searches done in the PAPR database 0.0%
Percent of searches done in the PROC database 0.0%
Percent of searches done in the SOC database 0.0%
Percent of searches done in the PAIS database 0.0%
Percent of searches done in the MLA database 96.0%
Percent of searches done in the RILM database 0.0%
1.5 Response time
__________________
Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 1.2
Standard deviation in seconds 3.1
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.5
Standard deviation in seconds 0.4
2.1 Art Index Database Statistics
__________________________________
Median session length (minutes:seconds) 3:19
Average session length (minutes:seconds) 3:12
Longest session recorded (minutes:seconds) 5:02
Average number of searches completed per session 2.3
Retrievals per search - median 0.0
Retrievals per search - average 11.0
Retrievals per search - standard deviation 28.7
Percent of searches completed with 0 results 71.4%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 7 31.8%
DISPLAY (excluding automatic displays) 1 4.5%
HELP 5 22.7%
EXPLAIN 2 9.1%
SET/RESET 1 4.5%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 0 0.0%
LOGON or LOGOFF 5 22.7%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 1 4.5%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 0.0%
SHORT 100%
LONG 0.0%
TAGS 0.0%
FIELDS 0.0%
PERIODICALS 0.0%
COMMENTS 0.0%
Other 0.0%
Art Index Database Statistics continued:
________________________________________
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 1 14.3% 1 100% 0 0.0 0.0
EXACT AUTHOR 0 0.0% 0 0.0% 0 0.0 0.0
EXACT CORPORATE 0 0.0% 0 0.0% 0 0.0 0.0
TITLE WORD 0 0.0% 0 0.0% 0 0.0 0.0
KEYWORD 0 0.0% 0 0.0% 0 0.0 0.0
SUBJECT 1 14.3% 1 100% 0 0.0 0.0
EXACT SUBJECT 0 0.0% 0 0.0% 0 0.0 0.0
JOURNAL 0 0.0% 0 0.0% 0 0.0 0.0
EXACT JOURNAL 0 0.0% 0 0.0% 0 0.0 0.0
DATE 0 0.0% 0 0.0% 0 0.0 0.0
LANGUAGE 0 0.0% 0 0.0% 0 0.0 0.0
PUBLICATION TYPE 0 0.0% 0 0.0% 0 0.0 0.0
PUBLISHER 0 0.0% 0 0.0% 0 0.0 0.0
PLACE OF PUBL. 0 0.0% 0 0.0% 0 0.0 0.0
ACCESSION NUMBER 0 0.0% 0 0.0% 0 0.0 0.0
ISBN 0 0.0% 0 0.0% 0 0.0 0.0
ISSN 0 0.0% 0 0.0% 0 0.0 0.0
PERIODICAL 0 0.0% 0 0.0% 0 0.0 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 5 71.4% 3 60.0% 39 38.5 53.0
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 0 0.0% 0 0.0% 0 0.0 0.0
Single 7 100% 5 71.4% 39 38.5 53.0
2.2 MLA Bibliography Database Statistics
_________________________________________
Median session length (minutes:seconds) 6:47
Average session length (minutes:seconds) 12:04
Longest session recorded (minutes:seconds) 50:26
Average number of searches completed per session 2.4
Retrievals per search - median 3.0
Retrievals per search - average 30.0
Retrievals per search - standard deviation 94.3
Percent of searches completed with 0 results 25.7%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 165 36.9%
DISPLAY (excluding automatic displays) 132 29.5%
HELP 5 1.1%
EXPLAIN 9 2.0%
SET/RESET 34 7.6%
SHOW 1 0.2%
ADD ON (AND, OR, AND NOT) 3 0.7%
LOGON or LOGOFF 81 18.1%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 17 3.8%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 11.3%
SHORT 78.0%
LONG 6.8%
TAGS 0.0%
FIELDS 2.3%
PERIODICALS 0.0%
COMMENTS 0.0%
Other 1.7%
MLA Bibliography Database Statistics continued:
_______________________________________________
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:
SUBJECT 25 14.7% 2 8.0% 3 48.1 99.7
EXACT SUBJECT 0 0.0% 0 0.0% 0 0.0 0.0
AUTHOR 0 0.0% 0 0.0% 0 0.0 0.0
EXACT AUTHOR 0 0.0% 0 0.0% 0 0.0 0.0
TITLE WORD 81 47.6% 25 30.9% 4 30.6 96.5
SERIES 0 0.0% 0 0.0% 0 0.0 0.0
EXACT SERIES 0 0.0% 0 0.0% 0 0.0 0.0
KEYWORD 6 3.5% 1 16.7% 14 57.2 105.1
SOURCE 0 0.0% 0 0.0% 0 0.0 0.0
EXACT SOURCE 0 0.0% 0 0.0% 0 0.0 0.0
PUBLICATION TYPE 0 0.0% 0 0.0% 0 0.0 0.0
ISSN/ISBN 0 0.0% 0 0.0% 0 0.0 0.0
ACCESSION NUMBER 0 0.0% 0 0.0% 0 0.0 0.0
DATE 0 0.0% 0 0.0% 0 0.0 0.0
LANGUAGE 0 0.0% 0 0.0% 0 0.0 0.0
PERIODICAL 0 0.0% 0 0.0% 0 0.0 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 58 34.1% 19 32.8% 8 38.4 124.7
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 6 3.7% 4 66.7% 5 4.5 4.9
Single 158 96.3% 39 24.7% 6 38.5 107.7
3.0 Error, EXPLAIN and HELP statistics (All OCLC-Z39.50 databases)
___________________________________________________________________
Percent of commands that contained errors 10.0%
Ten most frequent errors:
1. NS command - no next screen 36.5%
2. First word of command is invalid 26.9%
3. FIND command with invalid index name 15.4%
4. Index invalid in current database 7.7%
5. NS of SHOW/EXP command-no next screen 7.7%
6. SAVE command issued from a Z39.50 db 3.8%
7. Command contains escape or arrow key 1.9%
11. All others 0.0%
Ten most frequent EXPLAIN requests:
1. GUIDE: Z39.50 non-A&I DBS w/o truncation 54.5%
2. GUIDE (ART DB) 18.2%
3. G395 9.1%
4. Unrecognized term-reminders off 9.1%
5. Unrecognized term 9.1%
11. All others 0.0%
Ten most frequent HELP situations:
1. Help requested from SET DB command 57.1%
2. First word of command is invalid 19.0%
3. NS command - no next screen 9.5%
4. FIND command with invalid index name 4.8%
5. FIND command with zero results 4.8%
6. NS of SHOW/EXP command-no next screen 4.8%
11. All others 0.0%
Ten most frequent SHOW requests:
1. GLOSSARY 100%
11. All others 0.0%
OCLmm/dd oclc MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS (weekly)