MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS
Time period: 05/11/02 through 05/17/02
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 15 38 53
Davis 13 0 13
Irvine 2 0 2
Los Angeles 0 3 3
Riverside 0 0 0
San Diego 0 0 0
San Francisco 0 0 0
Santa Barbara 1 1 2
Santa Cruz 0 0 0
Other - UC 0 1 1
Other-Network UC n/a 2 2
_______ ______ _____
31 45 76
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. 1 1 58
8-10 a.m. 9 29 253
10-12 a.m. 20 60 547
12-2 p.m. 9 21 108
2-4 p.m. 18 77 708
4-6 p.m. 6 8 37
6-8 p.m. 5 15 232
8-10 p.m. 4 3 28
10-12 p.m. 4 22 65
__________ __________ __________ _________________
Total: 76 236 2,036
1.2 FIND commands
__________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 63 76 139
Davis 58 0 58
Irvine 9 0 9
Los Angeles 0 22 22
Riverside 0 0 0
San Diego 0 0 0
San Francisco 0 0 0
Santa Barbara 0 1 1
Santa Cruz 0 0 0
Other - UC 0 3 3
Other-Network UC n/a 4 4
_______ ______ _____
130 106 236
Number of FIND commands by database
WorldCat 0
Art Index 27
ArticleFirst 0
ContentsFirst 0
ERIC 0
GPO 0
PapersFirst Index 0
ProceedingsFirst Index 0
SocAbstracts 0
PAIS International 0
MLA Bibliography 209
RILM Index 0
Total number of FIND commands 236
1.3 Records displayed
______________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 543 809 1,352
Davis 507 0 507
Irvine 66 0 66
Los Angeles 0 76 76
Riverside 0 0 0
San Diego 0 0 0
San Francisco 0 0 0
Santa Barbara 0 33 33
Santa Cruz 0 0 0
Other - UC 0 0 0
Other-Network UC n/a 2 2
_______ ______ _____
1,116 920 2,036
Number of Records Displayed by database
WorldCat 0
Art Index 254
ArticleFirst 0
ContentsFirst 0
ERIC 0
GPO 0
PapersFirst Index 0
ProceedingsFirst Index 0
SocAbstracts 0
PAIS International 0
MLA Bibliography 1,782
RILM Index 0
Total number of Records Displayed 2,036
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 14 18.4%
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 62 81.6%
RILM Index 0 0.0%
Percent of searches done in the WCAT database 0.0%
Percent of searches done in the ART database 11.4%
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 88.6%
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 0.6
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 0.5
2.1 Art Index Database Statistics
__________________________________
Median session length (minutes:seconds) 1:13
Average session length (minutes:seconds) 3:28
Longest session recorded (minutes:seconds) 13:54
Average number of searches completed per session 1.9
Retrievals per search - median 18.0
Retrievals per search - average 175.9
Retrievals per search - standard deviation 431.6
Percent of searches completed with 0 results 25.9%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 27 25.7%
DISPLAY (excluding automatic displays) 46 43.8%
HELP 3 2.9%
EXPLAIN 1 1.0%
SET/RESET 2 1.9%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 0 0.0%
LOGON or LOGOFF 23 21.9%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 3 2.9%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 8.2%
SHORT 87.8%
LONG 0.0%
TAGS 0.0%
FIELDS 0.0%
PERIODICALS 2.0%
COMMENTS 0.0%
Other 2.0%
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 6 20.7% 5 83.3% 35 35.0 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 3.4% 0 0.0% 205 205.0 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 1 3.4% 0 0.0% 2 2.0 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 21 72.4% 2 9.5% 36 239.7 502.5
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 2 7.4% 0 0.0% 25 24.5 9.2
Single 25 92.6% 7 28.0% 117 261.1 511.7
2.2 MLA Bibliography Database Statistics
_________________________________________
Median session length (minutes:seconds) 4:53
Average session length (minutes:seconds) 7:21
Longest session recorded (minutes:seconds) 37:30
Average number of searches completed per session 3.3
Retrievals per search - median 7.0
Retrievals per search - average 180.0
Retrievals per search - standard deviation 1121.6
Percent of searches completed with 0 results 27.1%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 209 38.8%
DISPLAY (excluding automatic displays) 153 28.4%
HELP 16 3.0%
EXPLAIN 25 4.6%
SET/RESET 20 3.7%
SHOW 2 0.4%
ADD ON (AND, OR, AND NOT) 0 0.0%
LOGON or LOGOFF 94 17.5%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 19 3.5%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 5.9%
SHORT 83.8%
LONG 5.4%
TAGS 0.0%
FIELDS 0.5%
PERIODICALS 3.8%
COMMENTS 0.0%
Other 0.5%
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 51 24.2% 19 37.3% 47 489.8 1666.6
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 59 28.0% 17 28.8% 8 30.9 54.7
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 17 8.1% 2 11.8% 9 133.1 221.1
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 4 1.9% 0 0.0% 5 4.8 3.2
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 80 37.9% 18 22.5% 17 295.2 1647.4
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 1.9% 0 0.0% 4 8.8 11.8
Single 203 98.1% 56 27.6% 14 253.2 1325.3
3.0 Error, EXPLAIN and HELP statistics (All OCLC-Z39.50 databases)
___________________________________________________________________
Percent of commands that contained errors 11.9%
Ten most frequent errors:
1. First word of command is invalid 46.0%
2. NS command - no next screen 16.1%
3. FIND command with invalid index name 16.1%
4. DISPLAY command contains invalid word 5.7%
5. Search term missing from search command 3.4%
6. Valid command at an inappropriate time 2.3%
7. Index invalid in current database 2.3%
8. 17 1.1%
9. PS command - no previous screen 1.1%
10. Add-on search with no previous result 1.1%
11. All others 4.6%
Ten most frequent EXPLAIN requests:
1. GUIDE: Z39.50 non-A&I DBS w/o truncation 38.5%
2. LOCATE (Z39.50 DBS) 26.9%
3. Unrecognized term-reminders off 15.4%
4. INDEXES (MLA DB) 7.7%
5. G482 3.8%
6. LOCATE (Z39.50 DBS) 3.8%
7. CATALOG 3.8%
11. All others 0.0%
Ten most frequent HELP situations:
1. Help requested from SET DB command 28.9%
2. First word of command is invalid 26.7%
3. FIND command with zero results 13.3%
4. NS command - no next screen 6.7%
5. FIND command with invalid index name 4.4%
6. FIND command retrieves 1 book 4.4%
7. DISPLAY command-first of >1 screen 4.4%
8. Valid command at an inappropriate time 2.2%
9. 17 2.2%
10. DISPLAY command-complete in one screen 2.2%
11. All others 4.4%
Ten most frequent SHOW requests:
1. GLOSSARY 100%
11. All others 0.0%
OCLmm/dd oclc MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS (weekly)