MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS
Time period: 01/05/02 through 01/11/02
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 3 27 30
Davis 8 0 8
Irvine 15 0 15
Los Angeles 3 8 11
Riverside 1 0 1
San Diego 1 0 1
San Francisco 0 0 0
Santa Barbara 1 0 1
Santa Cruz 0 1 1
Other - UC 0 0 0
Other-Network UC n/a 12 12
_______ ______ _____
32 48 80
Per hour usage:
Time Sessions Finds Records Displayed
__________ __________ __________ _________________
12-2 a.m. 2 9 58
2-4 a.m. 0 0 0
4-6 a.m. 0 0 0
6-8 a.m. 4 11 33
8-10 a.m. 5 10 57
10-12 a.m. 17 27 297
12-2 p.m. 12 22 211
2-4 p.m. 20 55 658
4-6 p.m. 9 24 286
6-8 p.m. 2 2 41
8-10 p.m. 4 18 251
10-12 p.m. 5 6 64
__________ __________ __________ _________________
Total: 80 184 1,956
1.2 FIND commands
__________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 21 59 80
Davis 13 0 13
Irvine 30 0 30
Los Angeles 10 16 26
Riverside 3 0 3
San Diego 0 0 0
San Francisco 0 0 0
Santa Barbara 6 0 6
Santa Cruz 0 1 1
Other - UC 0 0 0
Other-Network UC n/a 25 25
_______ ______ _____
83 101 184
Number of FIND commands by database
WorldCat 0
Art Index 20
ArticleFirst 0
ContentsFirst 0
ERIC 0
GPO 0
PapersFirst Index 0
ProceedingsFirst Index 0
SocAbstracts 0
PAIS International 0
MLA Bibliography 164
RILM Index 0
Total number of FIND commands 184
1.3 Records displayed
______________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 447 818 1,265
Davis 91 0 91
Irvine 279 0 279
Los Angeles 213 78 291
Riverside 1 0 1
San Diego 0 0 0
San Francisco 0 0 0
Santa Barbara 9 0 9
Santa Cruz 0 1 1
Other - UC 0 0 0
Other-Network UC n/a 19 19
_______ ______ _____
1,040 916 1,956
Number of Records Displayed by database
WorldCat 0
Art Index 263
ArticleFirst 0
ContentsFirst 0
ERIC 0
GPO 0
PapersFirst Index 0
ProceedingsFirst Index 0
SocAbstracts 0
PAIS International 0
MLA Bibliography 1,693
RILM Index 0
Total number of Records Displayed 1,956
1.4 Relative Use of Databases
______________________________
Relative use of OCLC-Z39.50 databases: Sessions Percentage
WorldCat 0 0.0%
Art Index 12 15.0%
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 68 85.0%
RILM Index 0 0.0%
Percent of searches done in the WCAT database 0.0%
Percent of searches done in the ART database 10.9%
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 89.1%
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 0.4
Standard deviation in seconds 1.0
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.7
Standard deviation in seconds 0.7
2.1 Art Index Database Statistics
__________________________________
Median session length (minutes:seconds) 3:59
Average session length (minutes:seconds) 7:39
Longest session recorded (minutes:seconds) 22:17
Average number of searches completed per session 1.7
Retrievals per search - median 48.0
Retrievals per search - average 2493.2
Retrievals per search - standard deviation 9012.6
Percent of searches completed with 0 results 25.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 20 26.0%
DISPLAY (excluding automatic displays) 23 29.9%
HELP 8 10.4%
EXPLAIN 3 3.9%
SET/RESET 2 2.6%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 0 0.0%
LOGON or LOGOFF 20 26.0%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 1 1.3%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 3.7%
SHORT 96.3%
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 3 15.0% 2 66.7% 11 11.0 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 5.0% 0 0.0% 119 119.0 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 16 80.0% 3 18.8% 99 3825.7 11095.6
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 20 100% 5 25.0% 99 3324.3 10357.4
2.2 MLA Bibliography Database Statistics
_________________________________________
Median session length (minutes:seconds) 13:07
Average session length (minutes:seconds) 14:25
Longest session recorded (minutes:seconds) 69:02
Average number of searches completed per session 2.4
Retrievals per search - median 6.0
Retrievals per search - average 110.3
Retrievals per search - standard deviation 536.7
Percent of searches completed with 0 results 29.9%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 157 35.1%
DISPLAY (excluding automatic displays) 143 32.0%
HELP 8 1.8%
EXPLAIN 6 1.3%
SET/RESET 29 6.5%
SHOW 1 0.2%
ADD ON (AND, OR, AND NOT) 7 1.6%
LOGON or LOGOFF 79 17.7%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 17 3.8%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 10.3%
SHORT 67.9%
LONG 19.0%
TAGS 0.0%
FIELDS 1.1%
PERIODICALS 0.5%
COMMENTS 0.0%
Other 1.1%
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 13 8.3% 3 23.1% 46 44.0 38.4
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 46 29.3% 19 41.3% 14 36.3 66.4
SERIES 1 0.6% 1 100% 0 0.0 0.0
EXACT SERIES 0 0.0% 0 0.0% 0 0.0 0.0
KEYWORD 30 19.1% 4 13.3% 31 326.3 1051.7
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 1 0.6% 1 100% 0 0.0 0.0
EXACT PE 1 0.6% 1 100% 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 65 41.4% 19 29.2% 10 22.3 35.3
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 157 100% 48 30.6% 13 100.3 523.4
3.0 Error, EXPLAIN and HELP statistics (All OCLC-Z39.50 databases)
___________________________________________________________________
Percent of commands that contained errors 12.8%
Ten most frequent errors:
1. First word of command is invalid 33.8%
2. NS command - no next screen 31.2%
3. PS command - no previous screen 5.2%
4. FIND command with invalid index name 5.2%
5. DISPLAY command contains invalid word 3.9%
6. SAVE command issued from a Z39.50 db 3.9%
7. 419 3.9%
8. Index invalid in current database 3.9%
9. Command with odd number of double quotes 2.6%
10. Invalid SET DATABASE command issued 1.3%
11. All others 5.2%
Ten most frequent EXPLAIN requests:
1. GUIDE: Z39.50 non-A&I DBS w/o truncation 33.3%
2. LOCATE (Z39.50 DBS) 22.2%
3. GUIDE (ART DB) 11.1%
4. LOCATE (Z39.50 DBS) 11.1%
5. Unrecognized term-reminders off 11.1%
6. 8400 11.1%
11. All others 0.0%
Ten most frequent HELP situations:
1. Help requested from SET DB command 32.0%
2. First word of command is invalid 28.0%
3. FIND command with invalid index name 12.0%
4. DISPLAY command-complete in one screen 8.0%
5. DISPLAY command-first of >1 screen 8.0%
6. 15 4.0%
7. FIND command retrieves 1 book 4.0%
8. DISPLAY command - middle of >1 screen 4.0%
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)