MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS
Time period: 06/15/02 through 06/21/02
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 11 11
Davis 6 0 6
Irvine 2 0 2
Los Angeles 0 2 2
Riverside 0 0 0
San Diego 0 4 4
San Francisco 0 0 0
Santa Barbara 1 0 1
Santa Cruz 0 0 0
Other - UC 0 0 0
Other-Network UC n/a 9 9
_______ ______ _____
9 26 35
Per hour usage:
Time Sessions Finds Records Displayed
__________ __________ __________ _________________
12-2 a.m. 0 0 0
2-4 a.m. 1 2 2
4-6 a.m. 0 0 0
6-8 a.m. 0 0 0
8-10 a.m. 3 14 29
10-12 a.m. 8 7 67
12-2 p.m. 2 4 4
2-4 p.m. 9 68 767
4-6 p.m. 8 20 122
6-8 p.m. 0 0 0
8-10 p.m. 1 3 12
10-12 p.m. 3 13 39
__________ __________ __________ _________________
Total: 35 131 1,042
1.2 FIND commands
__________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 17 17
Davis 13 0 13
Irvine 4 0 4
Los Angeles 0 26 26
Riverside 0 0 0
San Diego 0 4 4
San Francisco 0 0 0
Santa Barbara 1 0 1
Santa Cruz 0 0 0
Other - UC 0 0 0
Other-Network UC n/a 66 66
_______ ______ _____
18 113 131
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 129
RILM Index 0
Total number of FIND commands 131
1.3 Records displayed
______________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 59 59
Davis 33 0 33
Irvine 7 0 7
Los Angeles 0 166 166
Riverside 0 0 0
San Diego 0 74 74
San Francisco 0 0 0
Santa Barbara 33 0 33
Santa Cruz 0 0 0
Other - UC 0 0 0
Other-Network UC n/a 670 670
_______ ______ _____
73 969 1,042
Number of Records Displayed by database
WorldCat 0
Art Index 3
ArticleFirst 0
ContentsFirst 0
ERIC 0
GPO 0
PapersFirst Index 0
ProceedingsFirst Index 0
SocAbstracts 0
PAIS International 0
MLA Bibliography 1,039
RILM Index 0
Total number of Records Displayed 1,042
1.4 Relative Use of Databases
______________________________
Relative use of OCLC-Z39.50 databases: Sessions Percentage
WorldCat 0 0.0%
Art Index 4 11.4%
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 31 88.6%
RILM Index 0 0.0%
Percent of searches done in the WCAT database 0.0%
Percent of searches done in the ART database 1.5%
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 98.5%
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 0.8
Standard deviation in seconds 1.7
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) 2:04
Average session length (minutes:seconds) 2:04
Longest session recorded (minutes:seconds) 2:48
Average number of searches completed per session 0.5
Retrievals per search - median 1.5
Retrievals per search - average 1.5
Retrievals per search - standard deviation 0.7
Percent of searches completed with 0 results 0.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 2 18.2%
DISPLAY (excluding automatic displays) 1 9.1%
HELP 0 0.0%
EXPLAIN 0 0.0%
SET/RESET 3 27.3%
SHOW 1 9.1%
ADD ON (AND, OR, AND NOT) 0 0.0%
LOGON or LOGOFF 3 27.3%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 1 9.1%
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 50.0% 0 0.0% 2 2.0 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 0 0.0% 0 0.0% 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% 1 1.0 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% 0 0.0% 2 1.5 0.7
2.2 MLA Bibliography Database Statistics
_________________________________________
Median session length (minutes:seconds) 11:15
Average session length (minutes:seconds) 11:59
Longest session recorded (minutes:seconds) 47:13
Average number of searches completed per session 4.1
Retrievals per search - median 5.0
Retrievals per search - average 147.8
Retrievals per search - standard deviation 928.7
Percent of searches completed with 0 results 24.4%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 127 43.8%
DISPLAY (excluding automatic displays) 86 29.7%
HELP 6 2.1%
EXPLAIN 9 3.1%
SET/RESET 9 3.1%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 2 0.7%
LOGON or LOGOFF 45 15.5%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 6 2.1%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 4.2%
SHORT 82.5%
LONG 9.2%
TAGS 0.0%
FIELDS 2.5%
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 35 22.3% 11 31.4% 34 454.5 1815.6
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 18 11.5% 6 33.3% 5 81.5 177.4
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 23 14.6% 2 8.7% 6 37.7 64.8
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 15 9.6% 2 13.3% 6 38.0 62.0
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 65 41.4% 12 18.5% 8 119.6 751.9
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 32 25.6% 5 15.6% 6 27.5 47.4
Single 93 74.4% 24 25.8% 11 261.2 1252.4
3.0 Error, EXPLAIN and HELP statistics (All OCLC-Z39.50 databases)
___________________________________________________________________
Percent of commands that contained errors 13.0%
Ten most frequent errors:
1. NS command - no next screen 42.2%
2. First word of command is invalid 24.4%
3. FIND command with invalid index name 8.9%
4. DISPLAY command - no FIND results 6.7%
5. Index invalid in current database 6.7%
6. PS command - no previous screen 4.4%
7. Add-on search with no previous result 2.2%
8. 826 2.2%
9. 1275 2.2%
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 22.2%
4. G395 11.1%
11. All others 0.0%
Ten most frequent HELP situations:
1. Help requested from SET DB command 60.0%
2. First word of command is invalid 20.0%
3. F/BR with index invalid in current DB 13.3%
4. 1275 6.7%
11. All others 0.0%
Ten most frequent SHOW requests:
1. SYSTEM NEWS 100%
11. All others 0.0%
OCLmm/dd oclc MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS (weekly)