Using MFHD to Predict the Future David J. Fiander

Publication Patterns Published Monday – Saturday, except for Christmas Day. Issues are identified by date. Published weekly on Thursday, except for a double issue in the last two weeks of December. Issues are numbered continuously and four volumes are published annually, starting in Jan, Apr, Jul, Oct. Published bimonthly, except monthly in Jan, Jul, Aug, Dec. Issue numbers restart in each volume, which starts in Jan

Published Monday – Saturday, except for Christmas Day. Issues are identified by date.

Published weekly on Thursday, except for a double issue in the last two weeks of December. Issues are numbered continuously and four volumes are published annually, starting in Jan, Apr, Jul, Oct.

Published bimonthly, except monthly in Jan, Jul, Aug, Dec. Issue numbers restart in each volume, which starts in Jan

Extreme Publication Patterns Item is published every Monday and Thursday except for when New Years Day, the fourth of July, Labour Day, (American) Thanksgiving, and Christmas fall on a Monday or Thursday

Item is published every Monday and Thursday except for when New Years Day, the fourth of July, Labour Day, (American) Thanksgiving, and Christmas fall on a Monday or Thursday

863: Enumeration & Chronology (AKA Holdings Data) $8: Linkage and sequence number $a - $f: Enumeration $i - $l: Chronology $w: Break indicator $x, $z: Nonpublic & public notes 863 41 $8 1.1 $a 1 $b 5 $i 1990 $j 05

$8: Linkage and sequence number

$a - $f: Enumeration

$i - $l: Chronology

$w: Break indicator

$x, $z: Nonpublic & public notes

863 41 $8 1.1 $a 1 $b 5 $i 1990 $j 05

853: Caption and Pattern 1: Caption $8: Field link and sequence number $a - $f: Enumeration $u: “Bib. units per next higher level” $v: Numbering continuity $i - $l: Chronology 853 20 $8 1 $a v. $b no. $u 12 $v r $i (year) $j (month)

$8: Field link and sequence number

$a - $f: Enumeration

$u: “Bib. units per next higher level”

$v: Numbering continuity

$i - $l: Chronology

853 20 $8 1 $a v. $b no. $u 12 $v r $i (year) $j (month)

Formatting 853 20 $8 1 $a v. $b no. $u 12 $v r $i (year) $j (month) 863 41 $8 1.1 $a 3 $b 5 $i 1990 $j 05 863 41 $8 1.2 $a 3 $b 6 $i 1990 $j 06 863 41 $8 1.3 $a 3 $b 7 $i 1990 $j 07 863 41 $8 1.4 $a 3 $b 8 $i 1990 $j 08 v.3:no.5 (1990:May) – v.3:no.8 (1990:Aug)

853 20 $8 1 $a v. $b no. $u 12 $v r $i (year) $j (month)

863 41 $8 1.1 $a 3 $b 5 $i 1990 $j 05

863 41 $8 1.2 $a 3 $b 6 $i 1990 $j 06

863 41 $8 1.3 $a 3 $b 7 $i 1990 $j 07

863 41 $8 1.4 $a 3 $b 8 $i 1990 $j 08

v.3:no.5 (1990:May) – v.3:no.8 (1990:Aug)

853: Caption and Pattern 2: Pattern $w: Frequency $x: Calendar change $y: Regularity pattern 853 20 $81$av.$bno.$u20$vr$i(year)$j(month) $w s $x 01 $y pd01,15 $y od0115,0715,0815,1215

$w: Frequency

$x: Calendar change

$y: Regularity pattern

853 20 $81$av.$bno.$u20$vr$i(year)$j(month) $w s $x 01 $y pd01,15 $y od0115,0715,0815,1215

Patterns are Easy for People Published monthly on the second Wednesday, except in April, when it's published on the second Thursday, and May, when it's published on the first Wednesday.

Published monthly on the second Wednesday, except in April, when it's published on the second Thursday, and May, when it's published on the first Wednesday.

Patterns are Hard for Computers $ypw02we # 2 nd We $ypw0402th,0501we # Apr: 2 nd Th, May:1 st We $yow0402we,0502we # Not 2 nd We in Apr, May How do we calculate the date of the issue after 2009/03/11?

$ypw02we # 2 nd We

$ypw0402th,0501we # Apr: 2 nd Th, May:1 st We

$yow0402we,0502we # Not 2 nd We in Apr, May

How do we calculate the date of the issue after 2009/03/11?

Challenges Quirks in the Standard Bad data Poor interoperability between systems

Quirks in the Standard

Bad data

Poor interoperability between systems

Credits “ Grandmother Predictions” by Flickr user stevec77. http://www.flickr.com/photos/stevec77/2520256837/ CONSER Publication Patterns Initiative. http://www.loc.gov/acq/conser/patthold.html

“ Grandmother Predictions” by Flickr user stevec77. http://www.flickr.com/photos/stevec77/2520256837/

CONSER Publication Patterns Initiative. http://www.loc.gov/acq/conser/patthold.html

Licence Copyright © 2009, David J. Fiander This work is licensed under the Creative Commons Attribution-Noncommercial 2.5 Canada License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc/2.5/ca/ or send a letter to Creative Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA.

Copyright © 2009, David J. Fiander

This work is licensed under the Creative Commons Attribution-Noncommercial 2.5 Canada License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc/2.5/ca/ or send a letter to Creative Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA.