Generic MARC 21

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The following sections describe the mappings used for Generic MARC normalizations.

Control Section

Generic MARC 21 Control Section
Normalized Record Field	Source/Content	Note
Source ID	From data source definitions
Original Source ID	From data source definitions
Source Record-ID	From header of source file
Record ID	Source ID + Source Record-ID
Additional Record-ID
Source Type		Not in use.
Source Format	From data source definitions
SourceSystem	Aleph

Display Section

General Notes

String multiple occurrences with a semicolon unless indicated otherwise. If the source data has a period at the end and it is not the final occurrence, remove the period.
Remove the following end punctuation: : , = ; /

Notes Regarding Subfields and Indicators

If no subfields are listed explicitly, data from all non-numeric subfields will be displayed.
If a field or a subfield is repeated, all instances should be displayed.
Subfields are listed in alphabetical order for the sake of clarity, but should be displayed in the order they are recorded in the source record.
If all the subfields or specified non-numeric subfields are taken, numeric subfields are not considered.
If a numeric subfield is specifically included, no other numeric subfield will be included.
If a numeric subfield is excluded, the mapping will take other numeric subfields.
If no indicators are defined, all indicators will be taken.

880 tags are mapped together with the standard tag (the 880 tags are added first) in the following fields: Contributor, Publisher, Creator, Description, Edition, Subject (for 600, 610, 611, and 630), Relation, and Is part of.

Generic MARC 21 Display Section
Display Element	Source	Note
Source	Source from the data source definition
Resource Type	See mapping below
Title	If FMT=SE, then use 130 OR 245; otherwise use 245 with the following subfields: 130 ##adfklmnoprs 245 ## $$abfgknp	The 130 was added for serials, because for serials additional information will typically be in 130.
Uniform title	130 admnprs OR 240 admnprs
Vernacular title	880 where $$6=245 subfields: abfgknp
Creator	100 abcdejqu 110 abcde 111 abcdn	If the creator is derived from 100 and the first indicator is 1 or 2 then all of the text after the comma is taken (there must be a comma) and is displayed before the text that precedes the comma (deleting the comma itself). For example: Lippe, Ole von der --> Ole von der Lippe Van Der Wise, Fred --> Fred Van Der Wise Disabled rules do not reverse the author name.
Contributor	700, 710, and 711 except for second indicator=2 With the following subfields: 700 abcdejqu 710 abcde 711 abcdn	For 700 the first indicator is 1 or 2. Therefore all of the text after the comma is taken (there must be a comma) and is displayed before the text that precedes the comma (deleting the comma itself). For example: Lippe, Ole von der --> Ole von der Lippe Van Der Wise, Fred --> Fred Van Der Wise Analytic 7XX field are excluded. They will be added to the description. Disabled rules do not reverse the author name.
Description	505, 520 $a 700, 710, and 711 with the second indicator=2 using the following subfields: 700 abcdemnopst 710 abcdemnopst 711 acdenpqst	Every field is a separate occurrence.
Edition	250 $a $b
Publisher	502 a or 260 a,b or 264 a,b And equivalent fields from 880.
Subject	All 6XX fields	Strip all numeric subfields.
Language	008/35-37; 041 subfields $$a $d, $e (all occurrences should be taken)	Validate code against list of ISO 639-2 codes. If the code cannot be translated, leave it as is.
Physical Format	300 and 340 fields	If the 300 field does not end with a period, add it.
Identifier	020 $$a – prefix the value with ISBN: 022 $$a – prefix the value with ISSN: 024 2# $$a – prefix the value with ISMN	This mapping is disabled in the out-of-the-box template since the identifiers by default do not display in the Front End.
Relation	Prefix the value with Series: 400, 410, 411, 440, 490, 800, 810, 811, 830, 840 780 (first indicator -1): Prefix the value with Earlier Title: 785 (first indicator -1): Prefix the value with Later Title: Strip subfield $w, $x, $y	Every field should be a separate occurrence. The prefix should be added to $$C and the value to $$V. Display constant codes are used: series earlier_title later_title
Is Part Of	773 Strip subfield $w, $x, $y
Creation Date	260 $c OR 008/07-10	For a date created from 008, create a date only if it starts with a digit that is not zero and replace missing digits with a question mark. For example: 19-- > 19?? 19uu > 19??
Library Level Availability		The Library Level Availability field subfields include: $$I Primo Institution $$L Primo Library $$1 Sublocation $$2 Call number $$S Availability status $$3 No. of items $$4 No. of unavailable items $$5 multi-volume flag $$6 number of loans

Mapping to Resource Type

The mapping is based on the format type derived either from LDR positions 6 and 7 or tag and position. Use the following tables to determine the mapping.

LDR Positions
Leader pos. 6/7	Record type	Format
a Language material + pos.7= a,c,d,m	Books	BK
a Language material + pos.7= b, i. s	Continuing Resources	SE
c Notated music	Music	MU
d Manuscript notated music	Music	MU
e Cartographic material	Maps	MP
f Manuscript cartographic material	Maps	MP
g Projected medium	Visual materials	VM
i Nonmusical sound recording	Audio materials	AM
j Musical sound recording	Audio materials	AM
k Two-dimensional non-projectable graphic	Visual materials	VM
m Computer file	Computer files	CF
o Kit	Visual materials	VM
p Mixed material	Mixed materials	MX
r Three-dimensional artifact or naturally occurring object	Visual materials	VM
t Manuscript language material	Books	BK
w Rare books Used by KORMARC.	Rare Books	RB
Default		BK

Record Type Derived from Tag and Position
Format	Based on (tag and position)	TYPE	Note
BK		book	The catch-all for BK if no further information is available is Book
CF	008-26 h	audio
CF	008-26 j	database
CF	008-26 d, e	text_resource
CF		other
MP		map	DC defines a map as a type of image.
AM		audio
MU		score
SE	008 21 d,w	other
SE	008 21 L	text resource
SE	008 21 M	book
SE		journal
VM	008 33 I,k,l,n,s,t	image
VM	008 33 F,m,v	video
VM		other
MX		other

Links

Links Section
Type of Link	Source	Note
OpenURL	Based on resource type from display: If type=article then: $$Topenurl_article Otherwise: $$Topenurl_journal	SFX has two sources for Primo: one for articles in which case the data is used and one for journals in which case the date is ignored. There is a different template per source.
OpenURL_fulltext	Based on resource type from display: If type=article then: $$Topenurlfull_article Otherwise: $$Topenurlfull_journal	SFX has two sources for Primo: one for articles in which case the data is used and one for journals in which case the date is ignored. There is a different template per source.
OpenURL_servicetext
Backlink
LinktoHoldings
Linkto Holdings_available
Linkto Holdings_unavailable
Linkto Holdings_doesnotexist
LinktoRequest
LinktoResource	856 40 $u and 856 41 $u Add display text ($$D) from $y + $3 + $z. If not available, then use code: "Online version" 856 1#, 856 10, and 856 11 Add display text ($$D) from $y + $3 + $z. If not available then use code: "Online version"	Validate that the link is to the resource by checking the content of subfield 3.
Additional links	856 42 $u. Add display text ($$D) from $y + $3 + $z. If not available then use code: "Related online content" 506 $u $$Dlink to restrictions on access 538 $u $$Dlink to system details 540 $u $$D Link to terms governing use and reproduction 545 $u $$D Link to biographical or historical information 856 41 $u if $3 is "Sample Text" or "Publisher description"
Thumbnail	$$Tsyndetics_thumb (disabled) $$Tgoogle_thumb	For Syndetics, this field requires an ISBN. For Google, this field requires an OCLC and LCCN.
linktotoc	505 $u $$Tamazon_toc $$Tsyndetics_toc (disabled) 856 4# $u if $3=Table of Contents	Create Amazon and Syndetic links only if there is an ISBN.
linktoabstract	$$Tsyndetics_abstract	Add if there is an ISBN (020 $a).
linktoreview	520 1# $u
linktofa	555 0# $u Add subfields abcd to $$D
linktouc	$$Tamazon_uc – add if there is ISBN $$Tworldcat_isbn – add if there is ISBN ELSE add $$Tworldcat_oclc – if there is OCLC number
linktoexcerpt	$$Tsyndetics_excerpt	Add if there is an ISBN.

Search

880 tags are mapped together with the standard tag in the following fields: Creator/Contributor, Title, Additional title, Description, Subject (for 600, 610, 611, and 630), TOC, and General (except for identifiers).

Search Section
Index	Source tag	Notes
Creator/contributor	100 abcdejqu 110 abcde 111 abcdn 245 c 505 r 508 a 511 a 700 abcdejqu 710 abcde 711 abcdn 720 a 800 abcdejqu 810 abcde 811 abcdn
Creator/contributor	100 a 700 a 800 a	For the 100, 700, and 800 fields, if the first indicator is 1 or 2, then take only the second uppercase character in the string, following a comma.
Title	If type = Journal: 245 a 245 a,b,f,g,n,p 130 a Else: 245 a,b,f,g,n,p	For journals up to three exact titles are indexed.
Additional title	100 fgklnpt 110 fgklnpt 111 fgklnpt 247 abnp 400 fklnptv 410 fklnptv 411 fklnpstv 440 anpv 490 av 700 fklmnoprst 710 fklmnoprst 711 fklnpst 730 adfklmnoprs 740 anp 800 fklmnoprstv 810 fklmnoprstv 811 fklnpstv 830 adfklmnoprstv 840 adfklmnoprstv 760,762,765,767,770,772, 773,774,775,776,777,780, 785,786,787 subfields st
Alternative Title	130 210 240 243 246 abnp
Description	520 $a
Subject	6XX fields – Strip all numeric subfields Translation of LCC by enrichment
ISBN	020 az
ISSN	022 ayz
Resource type	Resource type from display
Creation date	008/07-10 and 008/11-14 are digits and not 9999 260 $c
Full Text
TOC	505 $a
RecordSource	Source ID from the control section	Required to filter out certain sources.
RecordID	Record ID from the control section	Required to retrieve record based on system number.
General	260 $b 502 511 508 518 521 534 586 0242 az 0243 az 027 az 028 a
Search scope	From PNX: delivery/institution control/sourceid (for example the data source is added as a scope)
Restricted search scope
Scope	Copies from the Search scope and Restricted search scope from the sections above

Sort

Sort Section
Sort type	DC field
Creation Date	008/07-10 OR 260 $c
Author	A single author sort key is created from one of the following tags. Subfields are the same as in the display section: 880/100 100 880/110 110 880/111 111 880700 700 880/710 710 880/711 711
Title	A single title sort key is created from one of the following: 880/245 130 if FMT=SE 245
Popularity

Facets

Facet Section
Facet	Source	Note
Resource type	Create this based on the Resource type field from display section as follows. Book -> books Journal -> journals Article -> articles Text Resource -> books Image -> images Audio -> media Video -> media Score -> Scores Map -> Maps Other -> other	In some cases, two values should be created, each as a separate field.
Language	008/35-37 and 041 subfields a, d, e.	If the language is not a valid ISO 639 code it should not be created.
Creator/Contributor_	100/700 $a 110/710 $a 111/711 $a	The normalized format. For 100 and 700, if the first indicator is 1 or 2 then take second upper case character in the string, following a comma. 7XX except for second indicator 1.
Topic	6XX except for 655 First facet level is all data up to the first occurrence of subfield $$v, x, y or z. Each subfield division (v, x, y or z) constitutes the next level. The first facet level might have multiple occurrences in one record; these multiple occurrences should be "de-duplicated."	Punctuation that is in the field should be retained, except for periods at the end. For example: <datafield ind1="0" ind2="0" tag="630"/> <subfield code="a">Bible.</subfield> <subfield code="p">O.T.</subfield> <subfield code="p">Pentateuch</subfield> <subfield code="x">Sermons.</subfield> Should become: Bible - O.T. - Pentateuch-Sermons (the hyphen between Pentateuch and Sermons is for the levels).
Genre	655 $a 6XX $v
classification.lcc	Added by enrichment
Creation Date	008/07-10 OR 260 $c	Truncate 260 $c so that it has only 4 digits. If the date cannot be normalized to 4 digits, do not create the facet.
File size	Not in use
Collection
Physical format	Not in use	Not in use.
Top-level	online_resources -- assign if the delivery category is Online Resource,SFX Resource, or MetaLib Resource. new – as tagged before load. Available in Library map based on availability information in the source record.
Pre-filter	Based on Resource Type from the display section: Book -> books Journal -> journals Article -> articles Text Resource -> books Image -> images Video -> audio_video Audio -> audio_video Maps -> maps Score -> scores
Related record

Duplicate Record Detection Vector

Currently two types of record matching vectors exist:

T1 – for non-serials
T2 – for serials

The mapping of record to T1 or T2 is based on the format type. The format type is based on the extraction procedure that creates the format (FMT) field from pos. 6 and 7 in the leader.

T1 – All formats except for SE
T2 – SE

Vector for T1 - "non-serials"

Vector for T1
Field ID	Nature of field	Content of Field/Source Tag + Subfield	Note
T	Type	1	Created if the format is not SE.
The following fields are for the candidate selection:
C1	UnivID, UnivID_invalid	010 $a $z	Take prefix and number and remove any suffixes. Multiple occurrences are delimited by a semicolon.
C2	ISBN, Invalid_ISBN	020 $a $z	Use data until a blank character or the end of subfield. Multiple occurrences are delimited by a semicolon.
C3	Short title	245 $abnp Use normalization routine #1 Exact match on first 20 and last 10 char.	The result is a single string of 30 characters.
C4	Year	008 7-10
The following fields are for the matching program:
F1	UnivID	010 $a	Take prefix and number and remove any suffixes
F2	UnivID_Invalid	010 $z	Take prefix and number and remove any suffixes Multiple occurrences are delimited by a semicolon.
F3	ISBN	020 $a	Use data until a blank character or the end of subfield. Multiple occurrences are delimited by a semicolon.
F4	ISBN_Invalid	020 $z	Use data until a blank character or the end of subfield. Multiple occurrences are delimited by a semicolon.
F5	Short title	245 $abnp	Same as C3.
F6	Year	008 7-10
F7	Full title	245 $abnp Use routine #2 from
F8	Country of publication	008 15-17
F9	Pagination	300 $$a
F10	Publisher	260 $$b Use filing routine #3 to normalize	Take only first occurrence of 260 tag and first occurrence of subfield b.
F11	Main entry (author, corporate body, meeting)	100 $abcdq OR 110 $abcdn OR 111 $abcdenq Use normalization routine #3 to normalize

Vector for T2 - "serials"

Vector for T2
Field ID	Nature of field	Content of Field/Source Tag + Subfield	Note
T	Type	2	Created if the format is SE.
The following fields are for the candidate selection:
C1	UnivID, UnivID_invalid	010 $a $z	Use data until a blank character or the end of subfield. Multiple occurrences are delimited by a semicolon.
C2	ISSN, Invalid_ISSN, cancelled_ISSN	022 $a $y $z	Use data until a blank character or the end of subfield. Multiple occurrences are delimited by a semicolon.
C3	Short title	245 $abnp Use filing procedure #1 Exact match on first 25 char.	The result is a single string of 25 characters.
C4	Place of publication	260 $$a normalized using routine 75 After applying routine #3 then take only the first string (up to first blank).	Take only first occurrence of 260 and first occurrence of subfield a.
The following fields are for the matching program:
F1	UnivID	010 $a	Use data until a blank character or the end of subfield.
F2	UnivID_Invalid	010 $z	Use data until a blank character or the end of subfield. Multiple occurrences are delimited by a semicolon.
F3	ISSN	022 $a	Use data until a blank character or the end of subfield. Multiple occurrences are delimited by a semicolon.
F4	ISSN_Invalid	022 $y	Use data until a blank character or the end of subfield. Multiple occurrences are delimited by a semicolon.
F5	ISSN_Cancelled	022 $z	Use data until a blank character or the end of subfield. Multiple occurrences are delimited by a semicolon.
F6	Year	008 7-10
F7	Full title	245 $abnp Use filing routine #2
F8	Truncated title	245 $a Use normalization routine #2
F9	Country of publication	008 15-17
F10	Place of publication	260 $$a normalized using routine #3 After applying routine, take only the first string (up to first blank).	Take only first occurrence of 260 and first occurrence of subfield a.
F11	Main entry (author, corporate body, meeting)	110 $abcdn OR 111 $abcdenq OR 130 $a adlmnoprst Use filing routine #3

FRBRization

Refer to Normalization Routines for Duplicate Record Detection, for the normalization routines for the author and title parts.

The key field has two subfields:

$$K key part
$$A key part type that determines the algorithm

FRBRization
Field ID	Source (value of $$K for K fields)	Key part type (value of $$A for K fields)	Note
T	Always 1		MARC 21 algorithm
K1-Kn For every record a different number can be created	100 OR, 110 OR, 111 OR, 700 ADD, 710 ADD, 711 ADD	A	Single occurrence of 100, 110, and 111; Multiple occurrences of 700, 710, 711, 100, 110. Take subfields a, b, c, d, q 111, 711 - a, b, c, d, n, q Do not generate key from 700 or 710 if subfield e = "former owner"
Kn	130	TO	Subfield a, d, m, n, p, r, s Do not generate a key if subfield a or k contains "selections" or "census."
Kn	If format is not SE: 240 ADD 245 OR 242 OR 246 OR 247 OR 740 OR 245 subfield k If format is SE: 240 ADD 245 OR 242 OR 246 OR 247 OR 740 OR 245 subfield k	T	240 – Subfields a, d, m, n,p,r, s 245 – a, b, e, f, g, n, p 242 – a, b, f, g, n, p 246 – a, b, f, g, n, p 247 – a, b, f, g, n, p 740 – Subfields anp Do not generate a part key from 240 if it starts with any of the following: selections, laws, treaties, bills, statutes, Acts, public general acts, acts, rules, works, or census. Note: If the format is not a serial (FMT=SE), then the title part keys will be generated from both 240 and 245.

Delivery and Scoping

Delivery and Scoping Section
Delivery Field	Source	Additional normalization notes
Institution		Using ILS Institution Codes mapping table.
Delivery category		Based on algorithm in Defining the Delivery Category Algorithm.
Restricted delivery scope

Ranking

Local mapping required as relevant.

Ranking Section
Booster Field	Source	Additional normalization notes
booster1	1 or as added by enrichment program
booster2		Not in use.

Enrichment

Local mapping required as relevant.

Enrichment Section
Enrichment Field	Source	Additional normalization notes
classification.lcc	050 $a, 090 $a	All occurrences added to separate fields.
fulltext
TOC
Abstract
Review
Rank-parent-child
Rank-Number of copies
Rank-Date first copy
Rank-Number of loans

Additional Data

This includes multiple occurrences in separate fields.

Additional Data
Additional data field	Source	Additional normalization notes
Author Last	100 1# OR 100 2# OR 700 1# OR 700 2# $a	Takes text until first comma. Only one occurrence should be created.
Author First	100 1# OR 100 2# OR 700 1# OR 700 2# $a	Takes text after first comma and until first space. Only one occurrence should be created.
Author initials
Author first initial
Author middle initial
Author suffix
Author	100 abcdejqu
Corporate Author	110 abcde 111 abcdn
Additional author	700 abcdejqu 710 abcde 711 abcdn
Series author	800 abcde
Book Title	If resource type is not an article or a journal: 245 abfgknp	Because the PNX cannot be used in conditions, this is based on LDR and 008.
Article title
Journal title	If resource type is Journal: 245 abfgknp	Since the PNX cannot be used in conditions, this is based on LDR and 008.
Short title	210 a
Additional title	246 abnp
Series title	400, 410, 411, 440, 490, 800, 810, 811, 830, 840	Strip subfield x.
Date	008/07-10 or 260 $c	Normalize to 4 characters.
RISDate	260 $c or 008/08-10
Additional Date
Volume
Issue
Part
Season
Quarter
Start page
End page
Pages
Article number
ISSN	022 a	Use data up to a blank character or end of subfield.
eISSN	776 x	Use data up to a blank character or end of subfield.
ISBN	020 a	Use data up to a blank character or end of subfield.
CODEN	030 a	Use data up to a blank character or end of subfield.
SICI
Metadata Format	If there is a 502 ->dissertation Else based on Resource type from display: book ->book journal ->journal article ->journal conference_proceeding & record has ISSN ->journal Else ->book
Genre	The Genre mapping table maps the resource type from the display section of the PNX to the genre that is required by the OpenURL.	Use Genre mapping table.
RISType	Based on Resource type from display: If there is a 502 then -> THES book -> BOOK journal -> JOUR map -> MAP video -> VIDEO audio -> SOUND music -> MUSIC article -> JOUR Else -> GEN
City of Publication	260 a
Publisher	260 b
Abstract	520 ab
Miscellaneous1
Miscellaneous2
Miscellaneous3
OCLC ID	035 $$a – if text (OCoLC) is present in 035.	Take all digits following the text OCLC and until space. Example: 035 $$a(OC0LC)814782
LCCN	010 $$a	Take prefix and number.
DOI
URL
Local fields 1-5

Browse

The system can create multiple occurrences in separate fields.

Browse
Browse field	Source	Additional normalization notes
Institution	PNX: delivery/institution
Author	All of the following: 100,110,111,700, 710, 711, 720, 800, 810, 811, and equivalent 880 fields	$$D (display form) and $$E (normalized form) are created.
Title	All of the following: 130, 210, 240, 243, 245, 246, 247, 440, 490, 730, 740, 830 And the following using $$t: 100,110,111, 700, 719, 711,800, 810, 811 And equivalent fields from 880.	$$D (display form) and $$E (normalized form) are created.
Subject	600, 610, 611, 630, 648, 650, 651, 654, 655	$$D (display form) and $$E (normalized form) are created.
Call number	Rules not added.

Normalization Routines for Duplicate Record Detection

Certain characters are translated in XML:

Normalization Routines for Dedup Record Detection
Special character	Special meaning	Entity encoding
>	Begins a tag.	>
<	Ends a tag.	<
Quotation mark.	"
	'Apostrophe.	'
&	Ampersand.	&

The publishing platform removes all leading and trailing spaces and packs double spaces.

Normalization Routine #1

Remove non-filing characters

Drop initial text using non-filing indicator. The non-filing indicator is the second indicator in the following MARC tags: 222, 240, 242, 243, 245, 440, and 830. The second indicator contains a number from 0-9 indicating how many characters to drop. (There are some fields where the non-filing indicator is in the first position: 130, 630, 730, and 740.)

Remove all text that appears within <<>> or within the Unicode characters 0088 and 0089.
Delete the following characters: '
Change the following characters to blank: !@#$%^&*()_+-={}}[]:";<>?,./~`
Convert characters using the "FILING-KEY-01' character conversion table.
Change characters to lower case.
Remove all spaces.
Take first 10 and last 10 characters.

Normalization Routine #2

Remove non-filing characters.

Drop initial text using non-filing indicator. The non-filing indicator is the second indicator in the following MARC tags: 222, 240, 242, 243, 245, 440, and 830. The second indicator contains a number from 0-9 indicating how many characters to drop. (There are some fields where the non-filing indicator is in the first position: 130, 630, 730, and 740.)
Remove all text that appears within <<>> or within the Unicode characters 0088 and 0089.

For example:

<datafield ind1="1" ind2="0" tag="245"> <subfield code="a"><<the>> book : its history in England in the middle ages!</the></subfield> </datafield>

Should become:

"book: its history in England in the middle ages"
Delete the following characters: '
Change the following characters to blank: !@#$%^&*()_+-={}}[]:";<>?,./~`
Convert characters using the "FILING-KEY-01' character conversion table.
Change characters to lower case.

Normalization Routine #3

Delete the following characters: '
Change the following characters to blank: !@#$%^&*()_+-={}}[]:";<>?,./~`
Convert characters using the "FILING-KEY-01' character conversion table.
Change characters to lower case.

Normalization Routines for FRBR

The publishing platform will delete leading and trailing blanks and remove double spaces.

Author Part Normalization

Delete characters: | [ ] '
Change characters to space: $~'^%*/\?@.:;<>{}}-()"!¿¡,
Convert characters using the NACO_diacritics character conversion table.
Change characters to lower case.

Title Part Normalization

Remove non-filing characters.

Drop initial text using non-filing indicator. The non-filing indicator is the second indicator in the following MARC tags: 222, 240, 242, 243, 245, 440, and 830. The second indicator contains a number from 0-9 indicating how many characters to drop. (There are some fields where the non-filing indicator is in the first position: 130, 630, 730, 740.)
Delete characters: | [ ] '
Change characters to space: $~'^%*/\?@.:;<>{}}-()"!¿¡
Convert characters using the NACO_diacritics character conversion table.
Change characters to lower case.

Defining the Delivery Category Algorithm

The following out-of-the-box algorithm is used for MARC 21. It should be possible to distinguish between the following resource types:

Physical items (except for microfolm)
Microform
SFX resources
Online resources

The algorithm is read from top to bottom. Once a record is assigned a category, the algorithm stops.

When there are several definitions for the same category the priority is given to the "safest" option.

In the algorithm, priority has been given to online resources based on the assumption that users most often prefer this option. Primo will include a display of the location and availability status of physical items.

The format is based on the definitions used for each resource type. For more information on these definitions, see LDR Positions.

Defining the Delivery Category Algorithm
Condition	Delivery Category	Note
If 035=SFX	SFX Resources
007/00=c and 007/01=r	Online Resource
If there is a 8564- or 85640 or 85641	Online Resource	Add conditions based on $$3 to prevent this category from being assigned if the link is not to the resource (e.g. $$3 is Table of Contents, or Abstract).
If 007/00=h	Microform
If FMT=BK or MU or SE or MX and 008/23=a or b or c	Microform
If FMT=MP VM and 008/29=a or b or c	Microform
If 245 $$h includes the string micro	Microform
If not any of the above	Physical Item