MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS
Time period: 06/22/02 through 06/28/02
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 2 9 11
Davis 3 0 3
Irvine 4 0 4
Los Angeles 0 1 1
Riverside 0 1 1
San Diego 0 1 1
San Francisco 0 0 0
Santa Barbara 0 0 0
Santa Cruz 0 0 0
Other - UC 0 0 0
Other-Network UC n/a 9 9
_______ ______ _____
9 21 30
Per hour usage:
Time Sessions Finds Records Displayed
__________ __________ __________ _________________
12-2 a.m. 0 0 0
2-4 a.m. 0 0 0
4-6 a.m. 0 0 0
6-8 a.m. 0 0 0
8-10 a.m. 1 2 5
10-12 a.m. 5 10 105
12-2 p.m. 6 6 2
2-4 p.m. 11 41 238
4-6 p.m. 5 13 118
6-8 p.m. 0 0 0
8-10 p.m. 2 3 2
10-12 p.m. 0 0 0
__________ __________ __________ _________________
Total: 30 75 470
1.2 FIND commands
__________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3 29 32
Davis 2 0 2
Irvine 4 0 4
Los Angeles 0 2 2
Riverside 0 2 2
San Diego 0 1 1
San Francisco 0 0 0
Santa Barbara 0 0 0
Santa Cruz 0 0 0
Other - UC 0 0 0
Other-Network UC n/a 32 32
_______ ______ _____
9 66 75
Number of FIND commands by database
WorldCat 0
Art Index 2
ArticleFirst 0
ContentsFirst 0
ERIC 0
GPO 0
PapersFirst Index 0
ProceedingsFirst Index 0
SocAbstracts 0
PAIS International 0
MLA Bibliography 73
RILM Index 0
Total number of FIND commands 75
1.3 Records displayed
______________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 85 176 261
Davis 5 0 5
Irvine 5 0 5
Los Angeles 0 60 60
Riverside 0 5 5
San Diego 0 0 0
San Francisco 0 0 0
Santa Barbara 0 0 0
Santa Cruz 0 0 0
Other - UC 0 0 0
Other-Network UC n/a 134 134
_______ ______ _____
95 375 470
Number of Records Displayed by database
WorldCat 0
Art Index 2
ArticleFirst 0
ContentsFirst 0
ERIC 0
GPO 0
PapersFirst Index 0
ProceedingsFirst Index 0
SocAbstracts 0
PAIS International 0
MLA Bibliography 468
RILM Index 0
Total number of Records Displayed 470
1.4 Relative Use of Databases
______________________________
Relative use of OCLC-Z39.50 databases: Sessions Percentage
WorldCat 0 0.0%
Art Index 1 3.3%
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 29 96.7%
RILM Index 0 0.0%
Percent of searches done in the WCAT database 0.0%
Percent of searches done in the ART database 2.7%
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 97.3%
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 1.3
Standard deviation in seconds 3.3
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.6
Standard deviation in seconds 0.4
2.1 Art Index Database Statistics
__________________________________
Median session length (minutes:seconds) 0:00
Average session length (minutes:seconds) 0:00
Longest session recorded (minutes:seconds) 0:00
Average number of searches completed per session 2.0
Retrievals per search - median 2.0
Retrievals per search - average 2.0
Retrievals per search - standard deviation 2.8
Percent of searches completed with 0 results 50.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 2 50.0%
DISPLAY (excluding automatic displays) 1 25.0%
HELP 0 0.0%
EXPLAIN 0 0.0%
SET/RESET 0 0.0%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 0 0.0%
LOGON or LOGOFF 1 25.0%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 0 0.0%
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 0 0.0% 0 0.0% 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 50.0% 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 1 50.0% 0 0.0% 4 4.0 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 0 0.0% 0 0.0% 0 0.0 0.0
Single 2 100% 1 50.0% 4 4.0 0.0
2.2 MLA Bibliography Database Statistics
_________________________________________
Median session length (minutes:seconds) 3:52
Average session length (minutes:seconds) 10:26
Longest session recorded (minutes:seconds) 77:41
Average number of searches completed per session 2.5
Retrievals per search - median 3.0
Retrievals per search - average 92.1
Retrievals per search - standard deviation 366.2
Percent of searches completed with 0 results 31.9%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 73 39.2%
DISPLAY (excluding automatic displays) 49 26.3%
HELP 2 1.1%
EXPLAIN 3 1.6%
SET/RESET 15 8.1%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 0 0.0%
LOGON or LOGOFF 34 18.3%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 10 5.4%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 4.8%
SHORT 87.1%
LONG 3.2%
TAGS 0.0%
FIELDS 4.8%
PERIODICALS 0.0%
COMMENTS 0.0%
Other 0.0%
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 9 11.8% 4 44.4% 64 895.6 1193.7
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 22 28.9% 11 50.0% 11 73.3 119.6
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 5 6.6% 1 20.0% 7 23.5 36.4
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 40 52.6% 10 25.0% 13 43.9 73.9
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 4 5.6% 3 75.0% 64 64.0 0.0
Single 68 94.4% 20 29.4% 10 136.8 443.1
3.0 Error, EXPLAIN and HELP statistics (All OCLC-Z39.50 databases)
___________________________________________________________________
Percent of commands that contained errors 7.8%
Ten most frequent errors:
1. First word of command is invalid 43.8%
2. NS command - no next screen 43.8%
3. DISPLAY command contains invalid word 6.3%
4. Search term missing from search command 6.3%
11. All others 0.0%
Ten most frequent EXPLAIN requests:
1. INDEXES (MLA DB) 33.3%
2. GUIDE: Z39.50 non-A&I DBS w/o truncation 33.3%
3. Unrecognized term-reminders off 33.3%
11. All others 0.0%
Ten most frequent HELP situations:
1. FIND command with zero results 60.0%
2. Help requested from SET DB command 40.0%
11. All others 0.0%
Ten most frequent SHOW requests:
1. 0.0%
2. 0.0%
3. 0.0%
4. 0.0%
5. 0.0%
6. 0.0%
7. 0.0%
8. 0.0%
9. 0.0%
10. 0.0%
11. All others 0.0%
OCLmm/dd oclc MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS (weekly)