MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS
Time period: 02/09/02 through 02/15/02
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 10 54 64
Davis 6 0 6
Irvine 5 0 5
Los Angeles 0 2 2
Riverside 0 1 1
San Diego 1 0 1
San Francisco 0 0 0
Santa Barbara 6 1 7
Santa Cruz 0 1 1
Other - UC 1 1 2
Other-Network UC n/a 5 5
_______ ______ _____
29 65 94
Per hour usage:
Time Sessions Finds Records Displayed
__________ __________ __________ _________________
12-2 a.m. 8 16 102
2-4 a.m. 7 33 207
4-6 a.m. 5 25 69
6-8 a.m. 7 18 179
8-10 a.m. 4 18 33
10-12 a.m. 10 16 87
12-2 p.m. 8 28 69
2-4 p.m. 17 26 83
4-6 p.m. 20 88 579
6-8 p.m. 4 34 89
8-10 p.m. 3 2 15
10-12 p.m. 1 2 112
__________ __________ __________ _________________
Total: 94 306 1,624
1.2 FIND commands
__________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 19 196 215
Davis 20 0 20
Irvine 9 0 9
Los Angeles 0 2 2
Riverside 0 10 10
San Diego 0 0 0
San Francisco 0 0 0
Santa Barbara 6 1 7
Santa Cruz 0 11 11
Other - UC 1 1 2
Other-Network UC n/a 30 30
_______ ______ _____
55 251 306
Number of FIND commands by database
WorldCat 0
Art Index 25
ArticleFirst 0
ContentsFirst 0
ERIC 0
GPO 0
PapersFirst Index 0
ProceedingsFirst Index 0
SocAbstracts 0
PAIS International 0
MLA Bibliography 281
RILM Index 0
Total number of FIND commands 306
1.3 Records displayed
______________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 165 1,038 1,203
Davis 122 0 122
Irvine 93 0 93
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 0 0
San Francisco 0 0 0
Santa Barbara 9 0 9
Santa Cruz 0 35 35
Other - UC 2 9 11
Other-Network UC n/a 151 151
_______ ______ _____
391 1,233 1,624
Number of Records Displayed by database
WorldCat 0
Art Index 273
ArticleFirst 0
ContentsFirst 0
ERIC 0
GPO 0
PapersFirst Index 0
ProceedingsFirst Index 0
SocAbstracts 0
PAIS International 0
MLA Bibliography 1,351
RILM Index 0
Total number of Records Displayed 1,624
1.4 Relative Use of Databases
______________________________
Relative use of OCLC-Z39.50 databases: Sessions Percentage
WorldCat 0 0.0%
Art Index 18 19.1%
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 76 80.9%
RILM Index 0 0.0%
Percent of searches done in the WCAT database 0.0%
Percent of searches done in the ART database 8.2%
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 91.8%
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 0.7
Standard deviation in seconds 1.9
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.5
Standard deviation in seconds 0.4
2.1 Art Index Database Statistics
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Median session length (minutes:seconds) 2:46
Average session length (minutes:seconds) 7:29
Longest session recorded (minutes:seconds) 36:51
Average number of searches completed per session 1.4
Retrievals per search - median 11.0
Retrievals per search - average 99.3
Retrievals per search - standard deviation 337.5
Percent of searches completed with 0 results 32.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 22 20.0%
DISPLAY (excluding automatic displays) 42 38.2%
HELP 2 1.8%
EXPLAIN 1 0.9%
SET/RESET 9 8.2%
SHOW 2 1.8%
ADD ON (AND, OR, AND NOT) 3 2.7%
LOGON or LOGOFF 23 20.9%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 6 5.5%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 10.2%
SHORT 57.1%
LONG 32.7%
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 11 50.0% 5 45.5% 39 28.3 16.7
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 4 18.2% 2 50.0% 65 64.5 53.0
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 7 31.8% 0 0.0% 39 288.6 628.0
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 22 100% 7 31.8% 39 154.6 431.6
2.2 MLA Bibliography Database Statistics
_________________________________________
Median session length (minutes:seconds) 8:14
Average session length (minutes:seconds) 11:01
Longest session recorded (minutes:seconds) 45:52
Average number of searches completed per session 3.7
Retrievals per search - median 3.0
Retrievals per search - average 127.0
Retrievals per search - standard deviation 1469.1
Percent of searches completed with 0 results 30.2%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 269 45.4%
DISPLAY (excluding automatic displays) 148 25.0%
HELP 6 1.0%
EXPLAIN 11 1.9%
SET/RESET 33 5.6%
SHOW 2 0.3%
ADD ON (AND, OR, AND NOT) 12 2.0%
LOGON or LOGOFF 90 15.2%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 22 3.7%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 2.4%
SHORT 81.8%
LONG 5.7%
TAGS 8.6%
FIELDS 0.0%
PERIODICALS 1.4%
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 61 22.3% 21 34.4% 11 131.4 280.5
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 52 19.0% 22 42.3% 3 50.0 206.6
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 88 32.1% 19 21.6% 7 397.9 2952.4
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 6 2.2% 2 33.3% 15 12.0 7.6
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 67 24.4% 17 25.4% 9 28.7 46.0
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 5 1.9% 0 0.0% 2 12.6 16.6
Single 264 98.1% 81 30.7% 8 194.4 1818.7
3.0 Error, EXPLAIN and HELP statistics (All OCLC-Z39.50 databases)
___________________________________________________________________
Percent of commands that contained errors 10.7%
Ten most frequent errors:
1. NS command - no next screen 41.7%
2. First word of command is invalid 19.0%
3. FIND command with invalid index name 11.9%
4. DISPLAY command - no FIND results 3.6%
5. PS command - no previous screen 3.6%
6. Search term missing from search command 2.4%
7. 146 2.4%
8. Valid command at an inappropriate time 1.2%
9. Invalid SET DATABASE command issued 1.2%
10. DISPLAY command contains invalid word 1.2%
11. All others 11.9%
Ten most frequent EXPLAIN requests:
1. GUIDE: Z39.50 non-A&I DBS w/o truncation 75.0%
2. GUIDE (ART DB) 8.3%
3. G395 8.3%
4. Unrecognized term-reminders off 8.3%
11. All others 0.0%
Ten most frequent HELP situations:
1. Help requested from SET DB command 55.0%
2. 589 15.0%
3. FIND command with invalid index name 10.0%
4. FIND command with zero results 10.0%
5. First word of command is invalid 5.0%
6. DISPLAY command - last of >1 screen 5.0%
11. All others 0.0%
Ten most frequent SHOW requests:
1. HISTORY 50.0%
2. GLOSSARY 25.0%
11. All others 25.0%
OCLmm/dd oclc MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS (weekly)