MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS
Time period: 06/08/02 through 06/14/02
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 5 15 20
Davis 5 0 5
Irvine 1 0 1
Los Angeles 0 3 3
Riverside 0 2 2
San Diego 2 1 3
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 2 2
_______ ______ _____
13 25 38
Per hour usage:
Time Sessions Finds Records Displayed
__________ __________ __________ _________________
12-2 a.m. 2 7 38
2-4 a.m. 1 13 23
4-6 a.m. 0 0 0
6-8 a.m. 0 0 0
8-10 a.m. 6 6 14
10-12 a.m. 5 13 7
12-2 p.m. 9 95 377
2-4 p.m. 5 18 43
4-6 p.m. 5 15 78
6-8 p.m. 1 4 3
8-10 p.m. 2 1 16
10-12 p.m. 2 13 79
__________ __________ __________ _________________
Total: 38 185 678
1.2 FIND commands
__________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 11 131 142
Davis 6 0 6
Irvine 1 0 1
Los Angeles 0 5 5
Riverside 0 11 11
San Diego 6 4 10
San Francisco 0 0 0
Santa Barbara 0 0 0
Santa Cruz 0 4 4
Other - UC 0 2 2
Other-Network UC n/a 4 4
_______ ______ _____
24 161 185
Number of FIND commands by database
WorldCat 0
Art Index 10
ArticleFirst 0
ContentsFirst 0
ERIC 0
GPO 0
PapersFirst Index 0
ProceedingsFirst Index 0
SocAbstracts 0
PAIS International 0
MLA Bibliography 175
RILM Index 0
Total number of FIND commands 185
1.3 Records displayed
______________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 29 435 464
Davis 19 0 19
Irvine 16 0 16
Los Angeles 0 44 44
Riverside 0 43 43
San Diego 8 38 46
San Francisco 0 0 0
Santa Barbara 0 0 0
Santa Cruz 0 46 46
Other - UC 0 0 0
Other-Network UC n/a 0 0
_______ ______ _____
72 606 678
Number of Records Displayed by database
WorldCat 0
Art Index 30
ArticleFirst 0
ContentsFirst 0
ERIC 0
GPO 0
PapersFirst Index 0
ProceedingsFirst Index 0
SocAbstracts 0
PAIS International 0
MLA Bibliography 648
RILM Index 0
Total number of Records Displayed 678
1.4 Relative Use of Databases
______________________________
Relative use of OCLC-Z39.50 databases: Sessions Percentage
WorldCat 0 0.0%
Art Index 4 10.5%
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 34 89.5%
RILM Index 0 0.0%
Percent of searches done in the WCAT database 0.0%
Percent of searches done in the ART database 5.4%
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 94.6%
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 2.9
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.6
Standard deviation in seconds 0.5
2.1 Art Index Database Statistics
__________________________________
Median session length (minutes:seconds) 1:43
Average session length (minutes:seconds) 5:01
Longest session recorded (minutes:seconds) 12:42
Average number of searches completed per session 2.5
Retrievals per search - median 21.5
Retrievals per search - average 570.3
Retrievals per search - standard deviation 1363.6
Percent of searches completed with 0 results 40.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 8 27.6%
DISPLAY (excluding automatic displays) 8 27.6%
HELP 2 6.9%
EXPLAIN 1 3.4%
SET/RESET 0 0.0%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 2 6.9%
LOGON or LOGOFF 7 24.1%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 1 3.4%
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 3 37.5% 2 66.7% 7 7.0 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 62.5% 2 40.0% 884 1764.0 2298.0
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 8 100% 4 50.0% 460 1324.8 2071.8
2.2 MLA Bibliography Database Statistics
_________________________________________
Median session length (minutes:seconds) 5:22
Average session length (minutes:seconds) 7:15
Longest session recorded (minutes:seconds) 19:17
Average number of searches completed per session 5.1
Retrievals per search - median 3.0
Retrievals per search - average 81.1
Retrievals per search - standard deviation 437.6
Percent of searches completed with 0 results 30.5%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 173 46.6%
DISPLAY (excluding automatic displays) 112 30.2%
HELP 4 1.1%
EXPLAIN 6 1.6%
SET/RESET 11 3.0%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 2 0.5%
LOGON or LOGOFF 51 13.7%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 12 3.2%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 5.6%
SHORT 81.1%
LONG 10.5%
TAGS 0.0%
FIELDS 0.7%
PERIODICALS 1.4%
COMMENTS 0.0%
Other 0.7%
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 21 12.0% 6 28.6% 16 388.1 975.8
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 16 9.1% 7 43.8% 2 5.0 5.8
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 11 6.3% 2 18.2% 2 124.4 344.1
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 1 0.6% 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 126 72.0% 38 30.2% 7 81.1 442.3
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 3 1.7% 2 66.7% 18 18.0 0.0
Single 169 98.3% 49 29.0% 6 117.4 523.5
3.0 Error, EXPLAIN and HELP statistics (All OCLC-Z39.50 databases)
___________________________________________________________________
Percent of commands that contained errors 9.1%
Ten most frequent errors:
1. NS command - no next screen 35.0%
2. First word of command is invalid 30.0%
3. Index invalid in current database 12.5%
4. FIND command with invalid index name 7.5%
5. DISPLAY command contains invalid word 5.0%
6. Search term missing from search command 5.0%
7. PS command - no previous screen 2.5%
8. 134 2.5%
11. All others 0.0%
Ten most frequent EXPLAIN requests:
1. GUIDE: Z39.50 non-A&I DBS w/o truncation 57.1%
2. GUIDE (ART DB) 14.3%
3. G395 14.3%
4. INDEXES (MLA DB) 14.3%
11. All others 0.0%
Ten most frequent HELP situations:
1. Help requested from SET DB command 61.5%
2. First word of command is invalid 23.1%
3. NS command - no next screen 7.7%
4. PS command - no previous screen 7.7%
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)