MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS
Time period: 08/04/01 through 08/10/01
1.0 SUMMARY STATISTICS
_______________________
1.1 Total sessions:
____________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 116 390 506
Davis 291 84 375
Irvine 85 0 85
Los Angeles 0 89 89
Riverside 139 3 142
San Diego 48 13 61
San Francisco 24 0 24
Santa Barbara 24 11 35
Santa Cruz 87 6 93
Other - UC 0 22 22
Other-Network UC n/a 1,858 1,858
_______ ______ _____
814 2,476 3,290
Per hour usage:
Time Sessions Finds Records Displayed
__________ __________ __________ _________________
12-2 a.m. 8 57 316
2-4 a.m. 1 1 5
4-6 a.m. 34 56 111
6-8 a.m. 73 162 803
8-10 a.m. 354 1,170 7,242
10-12 a.m. 586 1,777 12,269
12-2 p.m. 597 1,711 13,131
2-4 p.m. 683 2,083 15,023
4-6 p.m. 446 1,407 13,562
6-8 p.m. 275 1,143 10,363
8-10 p.m. 148 618 3,902
10-12 p.m. 85 620 3,916
__________ __________ __________ _________________
Total: 3,290 10,805 80,643
1.2 FIND commands
__________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 411 1,283 1,694
Davis 797 188 985
Irvine 228 0 228
Los Angeles 0 254 254
Riverside 633 11 644
San Diego 257 45 302
San Francisco 77 0 77
Santa Barbara 51 33 84
Santa Cruz 371 16 387
Other - UC 0 81 81
Other-Network UC n/a 6,069 6,069
_______ ______ _____
2,825 7,980 10,805
Number of FIND commands by database
WorldCat 9,311
Art Index 27
ArticleFirst 410
ContentsFirst 11
ERIC 0
GPO 0
PapersFirst Index 440
ProceedingsFirst Index 44
SocAbstracts 0
PAIS International 0
MLA Bibliography 541
RILM Index 21
Total number of FIND commands 10,805
1.3 Records displayed
______________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2,627 11,039 13,666
Davis 7,056 1,154 8,210
Irvine 1,891 0 1,891
Los Angeles 0 2,828 2,828
Riverside 5,205 202 5,407
San Diego 1,556 182 1,738
San Francisco 2,048 0 2,048
Santa Barbara 675 351 1,026
Santa Cruz 1,089 75 1,164
Other - UC 0 515 515
Other-Network UC n/a 42,150 42,150
_______ ______ _____
22,147 58,496 80,643
Number of Records Displayed by database
WorldCat 72,075
Art Index 356
ArticleFirst 2,671
ContentsFirst 219
ERIC 0
GPO 0
PapersFirst Index 1,206
ProceedingsFirst Index 200
SocAbstracts 0
PAIS International 0
MLA Bibliography 3,795
RILM Index 121
Total number of Records Displayed 80,643
1.4 Relative Use of Databases
______________________________
Relative use of OCLC-Z39.50 databases: Sessions Percentage
WorldCat 2,606 79.2%
Art Index 7 0.2%
ArticleFirst 235 7.1%
ContentsFirst 15 0.5%
ERIC 0 0.0%
GPO 0 0.0%
PapersFirst Index 266 8.1%
ProceedingsFirst Index 38 1.2%
SocAbstracts 0 0.0%
PAIS International 0 0.0%
MLA Bibliography 117 3.6%
RILM Index 6 0.2%
Percent of searches done in the WCAT database 86.2%
Percent of searches done in the ART database 0.2%
Percent of searches done in the JRNL database 3.8%
Percent of searches done in the JRNLT database 0.1%
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 4.1%
Percent of searches done in the PROC database 0.4%
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 5.0%
Percent of searches done in the RILM database 0.2%
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 1.6
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) 14:55
Average session length (minutes:seconds) 21:28
Longest session recorded (minutes:seconds) 363:41
Average number of searches completed per session 3.6
Retrievals per search - median 2.0
Retrievals per search - average 160.5
Retrievals per search - standard deviation 2386.2
Percent of searches completed with 0 results 27.2%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 8,456 35.2%
DISPLAY (excluding automatic displays) 10,485 43.6%
HELP 20 0.1%
EXPLAIN 56 0.2%
SET/RESET 1,753 7.3%
SHOW 30 0.1%
ADD ON (AND, OR, AND NOT) 855 3.6%
LOGON or LOGOFF 1,946 8.1%
COMMENT 0 0.0%
USE 16 0.1%
OTHER 411 1.7%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 9.4%
SHORT 42.3%
LONG 8.5%
TAGS 0.0%
FIELDS 9.6%
PERIODICALS 20.7%
COMMENTS 0.0%
Other 9.4%
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 859 9.6% 230 26.8% 3 22.3 64.0
SUBJECT 107 1.2% 10 9.3% 91 692.6 2424.8
EXACT SUBJECT 18 0.2% 11 61.1% 4 227.9 385.8
SERIES 321 3.6% 63 19.6% 1 297.7 3628.8
EXACT SERIES 0 0.0% 0 0.0% 0 0.0 0.0
DATE 0 0.0% 0 0.0% 0 0.0 0.0
LANGUAGE 1 0.0% 0 0.0% 1 1.0 0.0
FORM 131 1.5% 21 16.0% 5 85.5 338.8
MUSIC PUBLISHER 0 0.0% 0 0.0% 0 0.0 0.0
REPORT NUMBER 0 0.0% 0 0.0% 0 0.0 0.0
NOTES 15 0.2% 1 6.7% 122 3603.0 12565.9
ACCESSION NUMBER 161 1.8% 3 1.9% 1 1.0 0.0
PLACE OF PUBL. 35 0.4% 7 20.0% 45 1012.3 2601.2
UNIFORM TITLE 0 0.0% 0 0.0% 0 0.0 0.0
GOV DOC NUM 4 0.0% 2 50.0% 11 11.0 12.7
ISBN/ISSN/LCCN 723 8.1% 246 34.0% 1 13.1 102.2
CODEN 0 0.0% 0 0.0% 0 0.0 0.0
PERIODICAL 1,733 19.4% 569 32.8% 6 97.0 593.1
EXACT PE 149 1.7% 33 22.1% 5 58.8 285.6
RPE 0 0.0% 0 0.0% 0 0.0 0.0
XRP 142 1.6% 26 18.3% 4 52.1 222.7
COMMENTS 0 0.0% 0 0.0% 0 0.0 0.0
Other indexes 4,551 50.8% 1,260 27.7% 9 337.8 3740.8
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 491 5.8% 121 24.6% 3 93.6 657.3
Single 7,957 94.2% 2,237 28.1% 6 248.7 3034.4
2.2 Art Index Database Statistics
__________________________________
Median session length (minutes:seconds) 2:15
Average session length (minutes:seconds) 5:41
Longest session recorded (minutes:seconds) 16:28
Average number of searches completed per session 3.9
Retrievals per search - median 1.0
Retrievals per search - average 138.0
Retrievals per search - standard deviation 253.0
Percent of searches completed with 0 results 40.7%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 27 45.0%
DISPLAY (excluding automatic displays) 18 30.0%
HELP 0 0.0%
EXPLAIN 0 0.0%
SET/RESET 3 5.0%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 0 0.0%
LOGON or LOGOFF 10 16.7%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 2 3.3%
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 10 37.0% 6 60.0% 394 393.5 444.0
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 17 63.0% 5 29.4% 23 179.3 230.0
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 27 100% 11 40.7% 23 232.8 295.7
2.3 ArticleFirst Database Statistics
_____________________________________
Median session length (minutes:seconds) 11:33
Average session length (minutes:seconds) 16:43
Longest session recorded (minutes:seconds) 107:03
Average number of searches completed per session 1.7
Retrievals per search - median 1.0
Retrievals per search - average 328.3
Retrievals per search - standard deviation 2522.9
Percent of searches completed with 0 results 40.8%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 363 39.9%
DISPLAY (excluding automatic displays) 200 22.0%
HELP 6 0.7%
EXPLAIN 18 2.0%
SET/RESET 206 22.6%
SHOW 2 0.2%
ADD ON (AND, OR, AND NOT) 47 5.2%
LOGON or LOGOFF 57 6.3%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 11 1.2%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 18.5%
SHORT 51.0%
LONG 0.0%
TAGS 0.0%
FIELDS 7.3%
PERIODICALS 22.4%
COMMENTS 0.0%
Other 0.8%
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 221 54.0% 104 47.1% 6 573.5 3613.3
EXACT TITLE 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
KEYWORD 22 5.4% 7 31.8% 5 2394.9 7989.2
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 40 9.8% 14 35.0% 5 30.1 72.3
EXACT PE 1 0.2% 0 0.0% 23 23.0 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 125 30.6% 34 27.2% 10 336.0 1044.0
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 46 12.7% 15 32.6% 6 48.6 137.4
Single 316 87.3% 128 40.5% 6 698.9 3691.3
2.4 ContentsFirst Database Statistics
______________________________________
Median session length (minutes:seconds) 13:24
Average session length (minutes:seconds) 14:17
Longest session recorded (minutes:seconds) 25:04
Average number of searches completed per session 0.7
Retrievals per search - median 86.0
Retrievals per search - average 98.2
Retrievals per search - standard deviation 139.0
Percent of searches completed with 0 results 36.4%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 11 20.8%
DISPLAY (excluding automatic displays) 18 34.0%
HELP 0 0.0%
EXPLAIN 2 3.8%
SET/RESET 12 22.6%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 0 0.0%
LOGON or LOGOFF 8 15.1%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 2 3.8%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 52.6%
SHORT 15.8%
LONG 31.6%
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 9 81.8% 4 44.4% 94 86.0 38.3
EXACT JOURNAL 1 9.1% 0 0.0% 175 175.0 0.0
KEYWORD 1 9.1% 0 0.0% 475 475.0 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 11 100% 4 36.4% 97 154.3 148.6
2.5 PapersFirst Index Database Statistics
__________________________________________
Median session length (minutes:seconds) 15:31
Average session length (minutes:seconds) 25:57
Longest session recorded (minutes:seconds) 120:09
Average number of searches completed per session 1.7
Retrievals per search - median 1.0
Retrievals per search - average 44.1
Retrievals per search - standard deviation 230.3
Percent of searches completed with 0 results 48.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 395 40.0%
DISPLAY (excluding automatic displays) 222 22.5%
HELP 3 0.3%
EXPLAIN 5 0.5%
SET/RESET 235 23.8%
SHOW 9 0.9%
ADD ON (AND, OR, AND NOT) 45 4.6%
LOGON or LOGOFF 56 5.7%
COMMENT 0 0.0%
USE 1 0.1%
OTHER 16 1.6%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 11.4%
SHORT 50.8%
LONG 1.3%
TAGS 0.0%
FIELDS 7.7%
PERIODICALS 21.9%
COMMENTS 0.0%
Other 6.7%
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 138 29.3% 56 40.6% 13 102.9 297.0
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 260 55.2% 164 63.1% 2 70.7 276.5
EXACT TITLE 4 0.8% 1 25.0% 39 26.3 21.9
KEYWORD 9 1.9% 0 0.0% 5 331.9 952.4
CONFERENCE 1 0.2% 1 100% 0 0.0 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 2 0.4% 1 50.0% 1 1.0 0.0
EXACT JOURNAL 0 0.0% 0 0.0% 0 0.0 0.0
DATE 18 3.8% 7 38.9% 5 105.5 321.0
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 38 8.1% 6 15.8% 5 28.4 59.4
EXACT PE 1 0.2% 0 0.0% 1 1.0 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 72 18.2% 42 58.3% 2 41.3 195.0
Single 323 81.8% 149 46.1% 6 102.8 349.6
2.6 ProceedingsFirst Index Database Statistics
_______________________________________________
Median session length (minutes:seconds) 10:25
Average session length (minutes:seconds) 16:10
Longest session recorded (minutes:seconds) 67:26
Average number of searches completed per session 1.2
Retrievals per search - median 0.0
Retrievals per search - average 3.4
Retrievals per search - standard deviation 5.7
Percent of searches completed with 0 results 56.8%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 44 31.0%
DISPLAY (excluding automatic displays) 37 26.1%
HELP 4 2.8%
EXPLAIN 4 2.8%
SET/RESET 30 21.1%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 0 0.0%
LOGON or LOGOFF 19 13.4%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 4 2.8%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 55.0%
SHORT 22.5%
LONG 5.0%
TAGS 0.0%
FIELDS 0.0%
PERIODICALS 0.0%
COMMENTS 0.0%
Other 17.5%
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 8 18.2% 5 62.5% 10 13.3 5.8
CONFERENCE 36 81.8% 20 55.6% 5 6.8 6.2
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 44 100% 25 56.8% 6 7.8 6.5
2.7 MLA Bibliography Database Statistics
_________________________________________
Median session length (minutes:seconds) 4:08
Average session length (minutes:seconds) 8:16
Longest session recorded (minutes:seconds) 71:25
Average number of searches completed per session 4.6
Retrievals per search - median 5.0
Retrievals per search - average 214.6
Retrievals per search - standard deviation 1931.9
Percent of searches completed with 0 results 29.8%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 493 45.9%
DISPLAY (excluding automatic displays) 268 25.0%
HELP 15 1.4%
EXPLAIN 17 1.6%
SET/RESET 44 4.1%
SHOW 0 0.0%
ADD ON (AND, OR, AND NOT) 48 4.5%
LOGON or LOGOFF 150 14.0%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 39 3.6%
DISPLAY commands, by type, excluding automatic displays:
REVIEW 1.7%
SHORT 80.8%
LONG 14.6%
TAGS 0.3%
FIELDS 1.1%
PERIODICALS 0.6%
COMMENTS 0.0%
Other 0.9%
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 217 40.2% 58 26.7% 35 596.3 3527.6
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 107 19.8% 37 34.6% 18 106.7 248.0
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 40 7.4% 11 27.5% 50 253.6 378.8
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 1 0.2% 0 0.0% 280 280.0 0.0
EXACT PE 1 0.2% 0 0.0% 2,356 2356.0 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 174 32.2% 53 30.5% 17 201.4 857.0
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 47 9.5% 7 14.9% 54 530.9 1438.0
Single 446 90.5% 145 32.5% 17 312.8 2529.1
2.8 RILM Index Database Statistics
___________________________________
Median session length (minutes:seconds) 2:52
Average session length (minutes:seconds) 3:33
Longest session recorded (minutes:seconds) 9:52
Average number of searches completed per session 3.5
Retrievals per search - median 0.0
Retrievals per search - average 176.8
Retrievals per search - standard deviation 688.4
Percent of searches completed with 0 results 66.7%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
FIND 21 43.8%
DISPLAY (excluding automatic displays) 5 10.4%
HELP 5 10.4%
EXPLAIN 4 8.3%
SET/RESET 1 2.1%
SHOW 1 2.1%
ADD ON (AND, OR, AND NOT) 0 0.0%
LOGON or LOGOFF 10 20.8%
COMMENT 0 0.0%
USE 0 0.0%
OTHER 1 2.1%
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%
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 2 9.5% 2 100% 0 0.0 0.0
EXACT AUTHOR 0 0.0% 0 0.0% 0 0.0 0.0
TITLE WORD 5 23.8% 4 80.0% 10 10.0 0.0
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 2 9.5% 0 0.0% 173 172.5 183.1
ABSTRACT 0 0.0% 0 0.0% 0 0.0 0.0
SUBJECT 12 57.1% 8 66.7% 97 839.5 1551.6
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 0 0.0% 0 0.0% 0 0.0 0.0
Single 21 100% 14 66.7% 43 530.4 1166.6
3.0 Error, EXPLAIN and HELP statistics (All OCLC-Z39.50 databases)
___________________________________________________________________
Percent of commands that contained errors 6.9%
Ten most frequent errors:
1. NS command - no next screen 31.0%
2. First word of command is invalid 18.7%
3. Z39.50 host cannot process command 14.8%
4. FIND command with invalid index name 6.3%
5. Too many truncated words to process 5.6%
6. DISPLAY command contains invalid word 5.0%
7. Search term missing from search command 2.5%
8. Index invalid in current database 1.9%
9. DISPLAY command - no FIND results 1.5%
10. Max. # of ports to a Z39 db are in use 0.9%
11. All others 11.8%
Ten most frequent EXPLAIN requests:
1. LOCATE (Z39.50 DBS) 23.6%
2. FIND (Z39.50 DBS) 8.5%
3. INDEXES (WCAT DB) 6.6%
4. LOCATE (Z39.50 DBS) 5.7%
5. GUIDE: Z39.50 non-A&I DBS w/o truncation 5.7%
6. INDEXES (PROC DB) 3.8%
7. DATABASES 3.8%
8. DISPLAY (Z39.50 non-A&I DBS) 2.8%
9. INDEXES (JRNL DB) 2.8%
10. GUIDE (Z39.50 A&I DBS w/o truncation) 2.8%
11. All others 34.0%
Ten most frequent HELP situations:
1. Help requested from SET DB command 16.4%
2. DISPLAY command-complete in one screen 13.8%
3. First word of command is invalid 11.9%
4. DISPLAY command-first of >1 screen 8.2%
5. FIND command with invalid index name 7.5%
6. F/BR with index invalid in current DB 5.0%
7. DISPLAY command - middle of >1 screen 4.4%
8. FIND command retrieves 1 book 3.8%
9. 938 3.8%
10. FIND command with zero results 3.1%
11. All others 22.0%
Ten most frequent SHOW requests:
1. HISTORY 88.1%
2. SEARCH 9.5%
3. GLOSSARY 2.4%
11. All others 0.0%
OCLmm/dd oclc MELVYL OCLC-Z39.50 DATABASES TELNET STATISTICS (weekly)