MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS
Time period: 06/30/01 through 07/06/01
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 81 344 425
Davis 153 73 226
Irvine 76 0 76
Los Angeles 1 64 65
Riverside 76 1 77
San Diego 56 8 64
San Francisco 20 0 20
Santa Barbara 13 23 36
Santa Cruz 61 3 64
Other - UC 1 17 18
Other-Network UC n/a 1,519 1,519
_______ ______ _____
538 2,052 2,590
Per hour usage:
Time Sessions Finds Records Displayed
__________ __________ __________ _________________
12-2 a.m. 15 69 661
2-4 a.m. 3 6 69
4-6 a.m. 51 109 344
6-8 a.m. 108 294 950
8-10 a.m. 284 875 5,086
10-12 a.m. 539 1,362 7,535
12-2 p.m. 390 1,169 8,449
2-4 p.m. 470 1,409 10,043
4-6 p.m. 389 1,674 16,783
6-8 p.m. 161 837 5,865
8-10 p.m. 95 757 13,684
10-12 p.m. 85 650 10,596
__________ __________ __________ _________________
Total: 2,590 9,211 80,065
1.2 FIND commands
__________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 199 1,335 1,534
Davis 448 184 632
Irvine 356 0 356
Los Angeles 2 189 191
Riverside 228 1 229
San Diego 120 22 142
San Francisco 83 0 83
Santa Barbara 40 52 92
Santa Cruz 144 7 151
Other - UC 1 34 35
Other-Network UC n/a 5,766 5,766
_______ ______ _____
1,621 7,590 9,211
Number of FIND commands by database
WorldCat 8,045
Art Index 15
ArticleFirst 505
ContentsFirst 4
ERIC 0
GPO 0
PapersFirst Index 343
ProceedingsFirst Index 68
SocAbstracts 0
PAIS International 0
MLA Bibliography 206
RILM Index 25
Total number of FIND commands 9,211
1.3 Records displayed
______________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1,110 9,354 10,464
Davis 2,521 1,354 3,875
Irvine 2,738 0 2,738
Los Angeles 0 1,613 1,613
Riverside 2,204 4 2,208
San Diego 2,098 277 2,375
San Francisco 829 0 829
Santa Barbara 323 235 558
Santa Cruz 480 634 1,114
Other - UC 0 347 347
Other-Network UC n/a 53,944 53,944
_______ ______ _____
12,303 67,762 80,065
Number of Records Displayed by database
WorldCat 75,718
Art Index 75
ArticleFirst 1,480
ContentsFirst 84
ERIC 0
GPO 0
PapersFirst Index 526
ProceedingsFirst Index 226
SocAbstracts 0
PAIS International 0
MLA Bibliography 1,683
RILM Index 273
Total number of Records Displayed 80,065
1.4 Relative Use of Databases
______________________________
Relative use of OCLC-Z39.50 databases: Sessions Percentage
WorldCat 1,999 77.2%
Art Index 9 0.3%
ArticleFirst 267 10.3%
ContentsFirst 6 0.2%
ERIC 0 0.0%
GPO 0 0.0%
PapersFirst Index 180 6.9%
ProceedingsFirst Index 44 1.7%
SocAbstracts 0 0.0%
PAIS International 0 0.0%
MLA Bibliography 77 3.0%
RILM Index 8 0.3%
Percent of searches done in the WCAT database 87.3%
Percent of searches done in the ART database 0.2%
Percent of searches done in the JRNL database 5.5%
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 3.7%
Percent of searches done in the PROC database 0.7%
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 2.2%
Percent of searches done in the RILM database 0.3%
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 1.3
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.1 WorldCat Database Statistics
_________________________________
Median session length (minutes:seconds) 13:58
Average session length (minutes:seconds) 23:02
Longest session recorded (minutes:seconds) 1017
Average number of searches completed per session 4.0
Retrievals per search - median 3.0
Retrievals per search - average 350.9
Retrievals per search - standard deviation 9372.5
Percent of searches completed with 0 results 23.9%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 7,216 33.9%
DISPLAY (excluding automatic displays) 9,881 46.4%
HELP 28 0.1%
EXPLAIN 48 0.2%
SET/RESET 1,320 6.2%
SHOW 43 0.2%
ADD ON (AND, OR, AND NOT) 829 3.9%
LOGON or LOGOFF 1,611 7.6%
COMMENT 0 0.0%
USE 11 0.1%
OTHER 286 1.3%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 8.1%
SHORT 37.4%
LONG 6.2%
TAGS 0.2%
FIELDS 9.0%
PERIODICALS 31.2%
COMMENTS 0.0%
Other 7.8%
WorldCat 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
EXACT TITLE 778 10.2% 200 25.7% 3 25.2 72.3
SUBJECT 70 0.9% 13 18.6% 81 8847.8 63728.9
EXACT SUBJECT 1 0.0% 0 0.0% 1 1.0 0.0
SERIES 105 1.4% 26 24.8% 4 44.3 191.5
EXACT SERIES 0 0.0% 0 0.0% 0 0.0 0.0
DATE 10 0.1% 1 10.0% 26 31.6 28.2
LANGUAGE 3 0.0% 2 66.7% 69 69.0 0.0
FORM 83 1.1% 11 13.3% 15 221.4 545.4
MUSIC PUBLISHER 0 0.0% 0 0.0% 0 0.0 0.0
REPORT NUMBER 3 0.0% 3 100% 0 0.0 0.0
NOTES 20 0.3% 6 30.0% 1 18.1 56.7
ACCESSION NUMBER 118 1.5% 2 1.7% 1 1.0 0.0
PLACE OF PUBL. 1 0.0% 0 0.0% 53 53.0 0.0
UNIFORM TITLE 2 0.0% 2 100% 0 0.0 0.0
GOV DOC NUM 2 0.0% 2 100% 0 0.0 0.0
ISBN/ISSN/LCCN 464 6.1% 123 26.5% 2 6.5 13.2
CODEN 0 0.0% 0 0.0% 0 0.0 0.0
PERIODICAL 2,024 26.6% 477 23.6% 5 108.3 1117.1
EXACT PE 90 1.2% 23 25.6% 3 38.3 205.0
RPE 0 0.0% 0 0.0% 0 0.0 0.0
XRP 101 1.3% 27 26.7% 6 78.7 287.8
COMMENTS 0 0.0% 0 0.0% 0 0.0 0.0
Other indexes 3,743 49.1% 920 24.6% 9 750.8 12930.7
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 390 5.4% 93 23.8% 5 93.9 504.4
Single 6,822 94.6% 1,646 24.1% 6 536.6 11677.4
2.2 Art Index Database Statistics
__________________________________
Median session length (minutes:seconds) 4:02
Average session length (minutes:seconds) 7:43
Longest session recorded (minutes:seconds) 18:09
Average number of searches completed per session 1.7
Retrievals per search - median 0.0
Retrievals per search - average 27.3
Retrievals per search - standard deviation 86.7
Percent of searches completed with 0 results 53.3%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 14 32.6%
DISPLAY (excluding automatic displays) 10 23.3%
HELP 4 9.3%
EXPLAIN 1 2.3%
SET/RESET 1 2.3%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 1 2.3%
LOGON or LOGOFF 11 25.6%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 1 2.3%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 25.0%
SHORT 33.3%
LONG 41.7%
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 2 14.3% 2 100% 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 5 35.7% 2 40.0% 13 13.0 6.0
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 50.0% 3 42.9% 15 92.5 164.9
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 14 100% 7 50.0% 13 58.4 124.1
2.3 ArticleFirst Database Statistics
_____________________________________
Median session length (minutes:seconds) 14:52
Average session length (minutes:seconds) 41:07
Longest session recorded (minutes:seconds) 571:11
Average number of searches completed per session 1.9
Retrievals per search - median 1.0
Retrievals per search - average 162.0
Retrievals per search - standard deviation 1436.2
Percent of searches completed with 0 results 38.4%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 431 40.8%
DISPLAY (excluding automatic displays) 218 20.6%
HELP 10 0.9%
EXPLAIN 7 0.7%
SET/RESET 205 19.4%
SHOW 3 0.3%
ADD ON (AND, OR, AND NOT) 74 7.0%
LOGON or LOGOFF 96 9.1%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 12 1.1%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 6.7%
SHORT 66.0%
LONG 1.0%
TAGS 0.0%
FIELDS 9.9%
PERIODICALS 15.7%
COMMENTS 0.0%
Other 0.6%
ArticleFirst 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
TITLE WORD 269 52.0% 128 47.6% 4 24.8 65.6
EXACT TITLE 1 0.2% 1 100% 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
KEYWORD 19 3.7% 7 36.8% 15 335.2 1072.4
ABSTRACT 0 0.0% 0 0.0% 0 0.0 0.0
DESC. OF ISSUE 0 0.0% 0 0.0% 0 0.0 0.0
DATE 0 0.0% 0 0.0% 0 0.0 0.0
PUBLICATION TYPE 0 0.0% 0 0.0% 0 0.0 0.0
ACCESSION NUMBER 0 0.0% 0 0.0% 0 0.0 0.0
PERIODICAL 28 5.4% 7 25.0% 10 24.5 46.0
EXACT PE 5 1.0% 0 0.0% 1 29.8 62.2
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 195 37.7% 43 22.1% 15 496.8 2575.0
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 85 19.7% 26 30.6% 8 47.0 125.7
Single 346 80.3% 133 38.4% 10 366.9 2196.4
2.4 ContentsFirst Database Statistics
______________________________________
Median session length (minutes:seconds) 4:48
Average session length (minutes:seconds) 4:48
Longest session recorded (minutes:seconds) 4:48
Average number of searches completed per session 0.7
Retrievals per search - median 9.0
Retrievals per search - average 27.3
Retrievals per search - standard deviation 43.3
Percent of searches completed with 0 results 50.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 4 16.7%
DISPLAY (excluding automatic displays) 5 20.8%
HELP 3 12.5%
EXPLAIN 4 16.7%
SET/RESET 4 16.7%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 0 0.0%
LOGON or LOGOFF 3 12.5%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 1 4.2%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 60.0%
SHORT 0.0%
LONG 40.0%
TAGS 0.0%
FIELDS 0.0%
PERIODICALS 0.0%
COMMENTS 0.0%
Other 0.0%
ContentsFirst 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:
JOURNAL 1 25.0% 0 0.0% 18 18.0 0.0
EXACT JOURNAL 2 50.0% 1 50.0% 91 91.0 0.0
KEYWORD 1 25.0% 1 100% 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
DESC. OF ISSUE 0 0.0% 0 0.0% 0 0.0 0.0
DATE 0 0.0% 0 0.0% 0 0.0 0.0
ACCESSION NUMBER 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 0 0.0% 0 0.0% 0 0.0 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 4 100% 2 50.0% 55 54.5 51.6
2.5 PapersFirst Index Database Statistics
__________________________________________
Median session length (minutes:seconds) 16:41
Average session length (minutes:seconds) 18:16
Longest session recorded (minutes:seconds) 38:01
Average number of searches completed per session 1.9
Retrievals per search - median 1.0
Retrievals per search - average 62.2
Retrievals per search - standard deviation 413.4
Percent of searches completed with 0 results 47.8%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 284 40.9%
DISPLAY (excluding automatic displays) 138 19.9%
HELP 0 0.0%
EXPLAIN 5 0.7%
SET/RESET 157 22.6%
SHOW 2 0.3%
ADD ON (AND, OR, AND NOT) 59 8.5%
LOGON or LOGOFF 41 5.9%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 8 1.2%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 3.8%
SHORT 69.0%
LONG 3.3%
TAGS 0.0%
FIELDS 13.6%
PERIODICALS 6.0%
COMMENTS 0.0%
Other 4.3%
PapersFirst 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 129 35.5% 42 32.6% 15 113.9 416.8
EXACT AUTHOR 0 0.0% 0 0.0% 0 0.0 0.0
EDITOR 0 0.0% 0 0.0% 0 0.0 0.0
SPONSOR 0 0.0% 0 0.0% 0 0.0 0.0
TITLE WORD 197 54.3% 109 55.3% 5 124.2 692.7
EXACT TITLE 1 0.3% 1 100% 0 0.0 0.0
KEYWORD 1 0.3% 1 100% 0 0.0 0.0
CONFERENCE 1 0.3% 0 0.0% 12 12.0 0.0
EXACT CONFERENCE 0 0.0% 0 0.0% 0 0.0 0.0
CONFERENCE PLACE 0 0.0% 0 0.0% 0 0.0 0.0
CONFERENCE DATE 0 0.0% 0 0.0% 0 0.0 0.0
SOURCE 0 0.0% 0 0.0% 0 0.0 0.0
PUBLISHER 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 2 0.6% 1 50.0% 5 5.0 0.0
DATE 22 6.1% 7 31.8% 15 62.3 95.0
ACCESSION NUMBER 0 0.0% 0 0.0% 0 0.0 0.0
ISSN 0 0.0% 0 0.0% 0 0.0 0.0
ISBN 0 0.0% 0 0.0% 0 0.0 0.0
PERIODICAL 10 2.8% 3 30.0% 3 13.9 19.5
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 0 0.0% 0 0.0% 0 0.0 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 78 27.5% 32 41.0% 4 31.6 63.2
Single 206 72.5% 100 48.5% 13 179.0 727.1
2.6 ProceedingsFirst Index Database Statistics
_______________________________________________
Median session length (minutes:seconds) 10:36
Average session length (minutes:seconds) 10:08
Longest session recorded (minutes:seconds) 17:15
Average number of searches completed per session 1.5
Retrievals per search - median 1.0
Retrievals per search - average 141.7
Retrievals per search - standard deviation 909.5
Percent of searches completed with 0 results 45.6%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 66 40.5%
DISPLAY (excluding automatic displays) 41 25.2%
HELP 1 0.6%
EXPLAIN 4 2.5%
SET/RESET 33 20.2%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 2 1.2%
LOGON or LOGOFF 15 9.2%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 1 0.6%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 62.1%
SHORT 6.9%
LONG 1.7%
TAGS 0.0%
FIELDS 0.0%
PERIODICALS 0.0%
COMMENTS 0.0%
Other 29.3%
ProceedingsFirst 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:
EDITOR 0 0.0% 0 0.0% 0 0.0 0.0
SPONSOR 0 0.0% 0 0.0% 0 0.0 0.0
KEYWORD 5 7.6% 4 80.0% 1 1.0 0.0
CONFERENCE 61 92.4% 26 42.6% 2 274.9 1261.9
CONFERENCE PLACE 0 0.0% 0 0.0% 0 0.0 0.0
CONFERENCE DATE 0 0.0% 0 0.0% 0 0.0 0.0
SOURCE 0 0.0% 0 0.0% 0 0.0 0.0
PUBLISHER 0 0.0% 0 0.0% 0 0.0 0.0
JOURNAL 0 0.0% 0 0.0% 0 0.0 0.0
SUBJECT 0 0.0% 0 0.0% 0 0.0 0.0
NOTES 0 0.0% 0 0.0% 0 0.0 0.0
PUBLICATION TYPE 0 0.0% 0 0.0% 0 0.0 0.0
LANGUAGE 0 0.0% 0 0.0% 0 0.0 0.0
DATE 0 0.0% 0 0.0% 0 0.0 0.0
ACCESSION NUMBER 0 0.0% 0 0.0% 0 0.0 0.0
ISSN 0 0.0% 0 0.0% 0 0.0 0.0
ISBN 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 0 0.0% 0 0.0% 0 0.0 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 66 100% 30 45.5% 2 267.3 1244.6
2.7 MLA Bibliography Database Statistics
_________________________________________
Median session length (minutes:seconds) 3:47
Average session length (minutes:seconds) 7:17
Longest session recorded (minutes:seconds) 40:16
Average number of searches completed per session 2.7
Retrievals per search - median 3.0
Retrievals per search - average 118.0
Retrievals per search - standard deviation 545.3
Percent of searches completed with 0 results 33.2%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 199 39.4%
DISPLAY (excluding automatic displays) 115 22.8%
HELP 6 1.2%
EXPLAIN 6 1.2%
SET/RESET 25 5.0%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 7 1.4%
LOGON or LOGOFF 113 22.4%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 34 6.7%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 8.1%
SHORT 83.9%
LONG 7.4%
TAGS 0.0%
FIELDS 0.7%
PERIODICALS 0.0%
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 11 5.6% 2 18.2% 568 357.0 270.0
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 38 19.2% 15 39.5% 3 312.3 1458.6
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 41 20.7% 17 41.5% 7 215.2 414.2
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 108 54.5% 33 30.6% 13 97.3 272.8
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 198 100% 67 33.8% 9 174.5 668.3
2.8 RILM Index Database Statistics
___________________________________
Median session length (minutes:seconds) 9:41
Average session length (minutes:seconds) 12:33
Longest session recorded (minutes:seconds) 31:42
Average number of searches completed per session 3.1
Retrievals per search - median 2.0
Retrievals per search - average 9.1
Retrievals per search - standard deviation 13.9
Percent of searches completed with 0 results 32.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 25 23.8%
DISPLAY (excluding automatic displays) 61 58.1%
HELP 1 1.0%
EXPLAIN 0 0.0%
SET/RESET 3 2.9%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 0 0.0%
LOGON or LOGOFF 13 12.4%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 2 1.9%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 0.0%
SHORT 95.5%
LONG 4.5%
TAGS 0.0%
FIELDS 0.0%
PERIODICALS 0.0%
COMMENTS 0.0%
Other 0.0%
RILM 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:
AUTHOR 12 44.4% 3 25.0% 11 16.1 13.2
EXACT AUTHOR 0 0.0% 0 0.0% 0 0.0 0.0
TITLE WORD 11 40.7% 5 45.5% 2 3.8 4.6
EXACT TITLE 0 0.0% 0 0.0% 0 0.0 0.0
SERIES 0 0.0% 0 0.0% 0 0.0 0.0
KEYWORD 1 3.7% 0 0.0% 3 3.0 0.0
ABSTRACT 0 0.0% 0 0.0% 0 0.0 0.0
SUBJECT 3 11.1% 1 33.3% 29 29.0 32.5
EXACT SUBJECT 0 0.0% 0 0.0% 0 0.0 0.0
SUBJECT AUTHOR 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
SOURCE 0 0.0% 0 0.0% 0 0.0 0.0
PUBLISHER 0 0.0% 0 0.0% 0 0.0 0.0
DISSERTATION SRC 0 0.0% 0 0.0% 0 0.0 0.0
MAIN WORK 0 0.0% 0 0.0% 0 0.0 0.0
REVIEW ITEM 0 0.0% 0 0.0% 0 0.0 0.0
REVIEWED WORK 0 0.0% 0 0.0% 0 0.0 0.0
COLLECTED WORKS 0 0.0% 0 0.0% 0 0.0 0.0
CONFERENCE 0 0.0% 0 0.0% 0 0.0 0.0
SHORT ENTRY 0 0.0% 0 0.0% 0 0.0 0.0
SPONSOR 0 0.0% 0 0.0% 0 0.0 0.0
CLASSIFICATION 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
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 0 0.0% 0 0.0% 0 0.0 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 2 8.0% 1 50.0% 2 2.0 0.0
Single 23 92.0% 7 30.4% 7 14.1 15.3
3.0 Error, EXPLAIN and HELP statistics (All OCLC-Z39.50 databases)
___________________________________________________________________
Percent of commands that contained errors 7.0%
Ten most frequent errors:
1. NS command - no next screen 31.2%
2. First word of command is invalid 22.2%
3. Z39.50 host cannot process command 10.9%
4. FIND command with invalid index name 6.8%
5. DISPLAY command contains invalid word 4.6%
6. Too many truncated words to process 4.4%
7. Max. # of ports to a Z39 db are in use 2.2%
8. DISPLAY command - no FIND results 1.5%
9. Search term missing from search command 1.4%
10. Index invalid in current database 1.0%
11. All others 13.6%
Ten most frequent EXPLAIN requests:
1. INDEXES (WCAT DB) 14.7%
2. LOCATE (Z39.50 DBS) 13.3%
3. COMMANDS (Z39.50 DBS) 5.3%
4. FIND (Z39.50 DBS) 5.3%
5. G316 4.0%
6. GUIDE (JRNL DB) 4.0%
7. GUIDE: Z39.50 non-A&I DBS w/o truncation 4.0%
8. G985 4.0%
9. G223 2.7%
10. G234 2.7%
11. All others 40.0%
Ten most frequent HELP situations:
1. Help requested from SET DB command 32.0%
2. DISPLAY command-complete in one screen 9.4%
3. First word of command is invalid 7.0%
4. FIND command with zero results 6.3%
5. FIND command with invalid index name 5.5%
6. 15 3.9%
7. FIND command retrieves 1 book 3.9%
8. DISPLAY command - last of >1 screen 3.9%
9. F/BR with index invalid in current DB 3.9%
10. 938 3.9%
11. All others 20.3%
Ten most frequent SHOW requests:
1. HISTORY 95.7%
2. DATABASES 2.1%
11. All others 2.1%
OCLmm/dd oclc MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS (weekly)