MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS
Time period: 02/23/02 through 03/01/02
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 11 35 46
Davis 13 0 13
Irvine 6 0 6
Los Angeles 0 2 2
Riverside 0 4 4
San Diego 0 3 3
San Francisco 0 0 0
Santa Barbara 4 10 14
Santa Cruz 3 3 6
Other - UC 0 3 3
Other-Network UC n/a 13 13
_______ ______ _____
37 73 110
Per hour usage:
Time Sessions Finds Records Displayed
__________ __________ __________ _________________
12-2 a.m. 3 18 89
2-4 a.m. 0 0 0
4-6 a.m. 2 7 3
6-8 a.m. 1 6 0
8-10 a.m. 8 18 151
10-12 a.m. 29 70 155
12-2 p.m. 19 54 198
2-4 p.m. 24 56 386
4-6 p.m. 8 20 206
6-8 p.m. 6 22 381
8-10 p.m. 5 11 65
10-12 p.m. 5 4 6
__________ __________ __________ _________________
Total: 110 286 1,640
1.2 FIND commands
__________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 18 82 100
Davis 42 0 42
Irvine 36 0 36
Los Angeles 0 3 3
Riverside 0 8 8
San Diego 0 19 19
San Francisco 0 0 0
Santa Barbara 3 22 25
Santa Cruz 3 7 10
Other - UC 0 2 2
Other-Network UC n/a 41 41
_______ ______ _____
102 184 286
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 261
RILM Index 0
Total number of FIND commands 286
1.3 Records displayed
______________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 34 535 569
Davis 214 0 214
Irvine 90 0 90
Los Angeles 0 3 3
Riverside 0 49 49
San Diego 0 283 283
San Francisco 0 0 0
Santa Barbara 10 216 226
Santa Cruz 4 11 15
Other - UC 0 161 161
Other-Network UC n/a 30 30
_______ ______ _____
352 1,288 1,640
Number of Records Displayed by database
WorldCat 0
Art Index 230
ArticleFirst 0
ContentsFirst 0
ERIC 0
GPO 0
PapersFirst Index 0
ProceedingsFirst Index 0
SocAbstracts 0
PAIS International 0
MLA Bibliography 1,410
RILM Index 0
Total number of Records Displayed 1,640
1.4 Relative Use of Databases
______________________________
Relative use of OCLC-Z39.50 databases: Sessions Percentage
WorldCat 0 0.0%
Art Index 16 14.5%
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 94 85.5%
RILM Index 0 0.0%
Percent of searches done in the WCAT database 0.0%
Percent of searches done in the ART database 8.7%
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 91.3%
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 0.5
Standard deviation in seconds 1.2
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) 3:22
Average session length (minutes:seconds) 6:16
Longest session recorded (minutes:seconds) 28:41
Average number of searches completed per session 1.6
Retrievals per search - median 3.0
Retrievals per search - average 136.6
Retrievals per search - standard deviation 561.4
Percent of searches completed with 0 results 16.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 24 26.4%
DISPLAY (excluding automatic displays) 20 22.0%
HELP 6 6.6%
EXPLAIN 3 3.3%
SET/RESET 5 5.5%
SHOW 2 2.2%
ADD ON (AND, OR, AND NOT) 1 1.1%
LOGON or LOGOFF 25 27.5%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 5 5.5%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 3.4%
SHORT 82.8%
LONG 13.8%
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 4.2% 0 0.0% 81 81.0 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 9 37.5% 1 11.1% 70 398.4 982.0
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 14 58.3% 3 21.4% 2 10.8 17.9
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 0 0.0% 0 0.0% 0 0.0 0.0
Single 24 100% 4 16.7% 7 169.4 626.5
2.2 MLA Bibliography Database Statistics
_________________________________________
Median session length (minutes:seconds) 4:54
Average session length (minutes:seconds) 8:59
Longest session recorded (minutes:seconds) 56:51
Average number of searches completed per session 2.8
Retrievals per search - median 2.0
Retrievals per search - average 180.4
Retrievals per search - standard deviation 989.8
Percent of searches completed with 0 results 31.8%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 255 39.2%
DISPLAY (excluding automatic displays) 184 28.3%
HELP 10 1.5%
EXPLAIN 16 2.5%
SET/RESET 40 6.1%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 6 0.9%
LOGON or LOGOFF 116 17.8%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 24 3.7%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 7.7%
SHORT 71.8%
LONG 18.1%
TAGS 0.0%
FIELDS 1.2%
PERIODICALS 0.0%
COMMENTS 0.0%
Other 1.2%
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 23.5% 19 31.1% 40 398.9 1077.9
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 88 33.8% 34 38.6% 3 144.8 548.0
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 39 15.0% 10 25.6% 11 674.3 2499.8
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 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 72 27.7% 19 26.4% 6 55.3 261.2
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 2.0% 1 20.0% 2 5.3 7.8
Single 250 98.0% 80 32.0% 8 276.6 1216.8
3.0 Error, EXPLAIN and HELP statistics (All OCLC-Z39.50 databases)
___________________________________________________________________
Percent of commands that contained errors 12.0%
Ten most frequent errors:
1. NS command - no next screen 35.6%
2. First word of command is invalid 30.7%
3. FIND command with invalid index name 12.9%
4. PS command - no previous screen 5.0%
5. Index invalid in current database 3.0%
6. 97 2.0%
7. No previous search for BACKUP 2.0%
8. Valid command, invalid in current DB 2.0%
9. SHOW command contains invalid word 1.0%
10. DISPLAY command contains invalid word 1.0%
11. All others 5.0%
Ten most frequent EXPLAIN requests:
1. GUIDE: Z39.50 non-A&I DBS w/o truncation 57.9%
2. GUIDE (ART DB) 10.5%
3. INDEXES (MLA DB) 10.5%
4. LOCATE (Z39.50 DBS) 10.5%
5. G594 5.3%
6. Unrecognized term-reminders off 5.3%
11. All others 0.0%
Ten most frequent HELP situations:
1. Help requested from SET DB command 40.0%
2. First word of command is invalid 14.3%
3. FIND command with invalid index name 11.4%
4. FIND command retrieves 1 book 8.6%
5. DISPLAY command-complete in one screen 5.7%
6. DISPLAY command - middle of >1 screen 5.7%
7. SHOW command with invalid modifier 2.9%
8. 97 2.9%
9. FIND command with zero results 2.9%
10. DISPLAY command - last of >1 screen 2.9%
11. All others 2.9%
Ten most frequent SHOW requests:
1. HISTORY 100%
11. All others 0.0%
OCLmm/dd oclc MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS (weekly)