Difference between revisions of "RDA 7.1"

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==STEP 7.1 : RDA AUTHORITY CONTROL OPTIONS==
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==RDA OPTION 1==
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[[File:RDA_7.1.jpg]]
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===1.0 - AACR2 & RDA against AACR2 only===
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This is the MARS 2.0 default processing option for your RDA bibs.
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When an AACR2 authority already exists, current LC policy inserts an RDA authority heading into the AACR2 authority master as a 700 field with 2nd indicator 4. If an AACR2 authority does not exist, then a new RDA authority is generated (040 $e rda).
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This option does not match 700 x4 in AACR2 authority. It also does not match against the RDA authority file at all:
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{| border="0" cellspacing="0" cellpadding="5" align="left"
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|-
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| ! style="background:lightblue" | match 1XX in AACR2 master || ! style="background:lightblue" | AACR2 & RDA bibs
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|-
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| ! style="background:lightgray" | ignore 7XX in AACR2 master || ! style="background:lightgray" | AACR2 & RDA bibs
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|-
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| ! style="background:lightgray" | ignore RDA master || ! style="background:lightgray" | AACR2 & RDA bibs
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|}
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<div style=clear:both></div>
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MARS 2.0 copies all AACR2 authorities with 700 x4 into our RDA master. In this scenario, the old 700 x4 (RDA) becomes the new 100 field in the RDA master, with the previous 100 field (AACR2) becoming a new 400 field:
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  <font size="3">
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  '''AACR2 authority n 00010837:'''
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    100 1  $a Brashares, Ann
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    700 14 $a Brashares, Ann, $d 1967-
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  '''RDA authority generated from AACR2 authority above:'''
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    100 1  $a Brashares, Ann, $d 1967-
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    400 1  $a Brashares, Ann
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  </font>
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[[Image:rda.1.0.gif]]<br><br>
 
[[Image:rda.1.0.gif]]<br><br>
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Inasmuch as there can be a default for authorizing your headings when it concerns RDA, this option may be a good starting point. This is useful for libraries that are not yet ready to embrace RDA (or never plan to do so).
  
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===option 2 - separate out rda bibs===
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AACR2 and RDA bibs are processed in the same manner for this option. Both are treated as if they were AACR2. Matching is made solely from the 1XX/4XX headings within the AACR2 authority. Matching headings are then updated with the 1XX version of the AACR2 authority.
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RDA bibs are separated out to not process at all, and instead saved or discarded as desired by your library:
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{| border="1" cellspacing="0" cellpadding="5" align="left"
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|-
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| match 1XX in AACR2 master || AACR2 bibs only
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|-
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| ignore 7XX in AACR2 master || AACR2 bibs only
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|-
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| ignore RDA master || AACR2 bibs only
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|}
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<div style=clear:both></div>
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Unmatched headings are added to a report and retained as-is within the respective AACR2 or RDA bib.
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<br><br>
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AACR2 bib search order:
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#AACR2 1XX/4XX
  
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===option 3 - aacr2 -> aacr2, rda -> rda===
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RDA bib search order:
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Your AACR2 bibs are first matched against the AACR2 master file. Any headings that are unmatched are next searched against RDA (if desired).  
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#AACR2 1XX/4XX
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<br>
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==RDA OPTION 2==
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[[Image:rda.2.0.gif]]<br><br>
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AACR2 bibs are matched to 1XX and 4XX fields in AACR2 authority records. Matched headings are updated to the 1XX form. RDA bibs are not processed in this option.  They are separated and effectively ignored during processing. These ignored RDA bibs can be delivered separately or combined as desired. They can then be searched at a later date by the library.
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<br><br>
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AACR2 bib search order:
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#AACR2 1XX/4XX
  
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Your RDA bibs are first matched against the RDA master file. Any headings that are unmatched are next searched against AACR2 (if desired).
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RDA bib search order:
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#''no search''
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<br>
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==RDA OPTION 3==
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[[Image:rda3.gif]]<br><br>
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AACR2 bibs are matched against 1XX and 4XX fields in AACR2 authorities. Matched headings are updated to the 1XX version.
  
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This option matches the current PCC standard for processing RDA bibs:
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RDA bibs are matched against 1XX and 4XX fields in RDA authorities. Matched headings are updated to the 1XX version.
  
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'''AACR2 Bibs'''
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Unmatched headings in AACR2 and RDA bibs are left unchanged and added to a report.
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{| border="1" cellspacing="0" cellpadding="5" align="left"
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<br><br>
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|-
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AACR2 bib search order:
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| match 1XX in AACR2 master || AACR2 bibs only
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#AACR2 1XX/4XX
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|-
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| ignore 7XX in AACR2 master || AACR2 bibs only
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|-
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| match RDA master || AACR2 nonmatches only
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|}
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<div style=clear:both></div>
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RDA bib search order:
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#RDA 1XX/4XX
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<br>
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==RDA OPTION 4==
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[[Image:rda4.gif]]<br><br>
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AACR2 bib headings are first matched against 1XX and 4XX fields in AACR2 authorities. Matched headings are updated to the 1XX form. Unmatched headings are then matched against 1XX and 4XX fields in RDA authorities. Matched headings are updated to the 1XX form.
  
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'''RDA Bibs'''
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RDA bib headings are also matched against the 1XX and 4XX fields in AACR2 authorities. Matched headings are updated to the 1XX form. Unmatched headings are then matched against 1XX and 4XX fields in RDA authorities. Matched headings are updated to the 1XX form.
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{| border="1" cellspacing="0" cellpadding="5" align="left"
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|-
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| match 1XX in RDA master || RDA bibs only
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|-
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| ignore 7XX in AACR2 master || RDA bibs only
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|-
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| ignore AACR2 master (incl 700 x4) || RDA nonmatches only
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|}
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<div style=clear:both></div>
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Any AACR2 or RDA headings that are still unmatched are left unchanged and added to a report.
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<br><br>
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AACR2 bib search order:
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#AACR2 1XX/4XX
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#RDA 1XX/4XX
  
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===option 4 - aacr2 & rda -> aacr2===
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RDA bib search order:
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This is a modified version of Option 1. What differs is that the 700 x4 in AACR2 master is included, but the matched bib heading will flip to the 1XX form within
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#AACR2 1XX/4XX
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the AACR2 authority:
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#RDA 1XX/4XX
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<br>
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==RDA OPTION 5==
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[[Image:rda5.gif]]<br><br>
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This option follows the PCC/LC standards.
  
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{| border="1" cellspacing="0" cellpadding="5" align="left"
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AACR2 bib headings are first searched against the 1XX and 4XX fields in AACR2 authorities. Matched headings are updated to the 1XX form.  Unmatched headings are then matched against the 1XX and 4XX headings in RDA authorities. Matched headings will be updated to the RDA 1XX form in the RDA record. Any headings that are still unmatched are left unchanged and added to a report.
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| match 1XX in AACR2 master || AACR2 & RDA bibs
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|-
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| match 7XX in AACR2 master || AACR2 & RDA bibs
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|-
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| ignore RDA master || RDA bibs only
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|-
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| match RDA master || AACR2 nonmatches only
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|}
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<div style=clear:both></div>
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If an AACR2 heading does not find a match against the modified AACR2 master (which includes the 700 x4 for this option), then the unmatched heading is
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RDA bib headings are first searched against 1XX and 4XX fields in RDA authorities. Matched headings are updated to the 1XX form. Unmatched headings are then matched against the 1XX and 4XX fields in AACR2 authorities and matched headings are updated to the AACR2 1XX form.
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checked against the RDA master.
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At this point in the process, the RDA master will consist of new RDA authorities only, with no equivalent in the AACR2 master (i.e., no AACR2 with 700 x4 has been converted to an RDA authority to match against).
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Any headings that are still unmatched are left unchanged and added to a report.
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<br><br>
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AACR2 bib search order:
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#AACR2 1XX/4XX
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#RDA 1XX/4XX
  
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RDA bib search order:
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#RDA 1XX/4XX
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#AACR2 1XX/4XX
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<br>
 
==LINKS==
 
==LINKS==
 
<center><font size="4">[[RDA_7.1|7.1]]
 
<center><font size="4">[[RDA_7.1|7.1]]

Latest revision as of 08:06, 2 August 2012

RDA OPTION 1

Rda.1.0.gif

Inasmuch as there can be a default for authorizing your headings when it concerns RDA, this option may be a good starting point. This is useful for libraries that are not yet ready to embrace RDA (or never plan to do so).

AACR2 and RDA bibs are processed in the same manner for this option. Both are treated as if they were AACR2. Matching is made solely from the 1XX/4XX headings within the AACR2 authority. Matching headings are then updated with the 1XX version of the AACR2 authority.

Unmatched headings are added to a report and retained as-is within the respective AACR2 or RDA bib.

AACR2 bib search order:

  1. AACR2 1XX/4XX

RDA bib search order:

  1. AACR2 1XX/4XX


RDA OPTION 2

Rda.2.0.gif

AACR2 bibs are matched to 1XX and 4XX fields in AACR2 authority records. Matched headings are updated to the 1XX form. RDA bibs are not processed in this option. They are separated and effectively ignored during processing. These ignored RDA bibs can be delivered separately or combined as desired. They can then be searched at a later date by the library.

AACR2 bib search order:

  1. AACR2 1XX/4XX

RDA bib search order:

  1. no search


RDA OPTION 3

Rda3.gif

AACR2 bibs are matched against 1XX and 4XX fields in AACR2 authorities. Matched headings are updated to the 1XX version.

RDA bibs are matched against 1XX and 4XX fields in RDA authorities. Matched headings are updated to the 1XX version.

Unmatched headings in AACR2 and RDA bibs are left unchanged and added to a report.

AACR2 bib search order:

  1. AACR2 1XX/4XX

RDA bib search order:

  1. RDA 1XX/4XX


RDA OPTION 4

Rda4.gif

AACR2 bib headings are first matched against 1XX and 4XX fields in AACR2 authorities. Matched headings are updated to the 1XX form. Unmatched headings are then matched against 1XX and 4XX fields in RDA authorities. Matched headings are updated to the 1XX form.

RDA bib headings are also matched against the 1XX and 4XX fields in AACR2 authorities. Matched headings are updated to the 1XX form. Unmatched headings are then matched against 1XX and 4XX fields in RDA authorities. Matched headings are updated to the 1XX form.

Any AACR2 or RDA headings that are still unmatched are left unchanged and added to a report.

AACR2 bib search order:

  1. AACR2 1XX/4XX
  2. RDA 1XX/4XX

RDA bib search order:

  1. AACR2 1XX/4XX
  2. RDA 1XX/4XX


RDA OPTION 5

Rda5.gif

This option follows the PCC/LC standards.

AACR2 bib headings are first searched against the 1XX and 4XX fields in AACR2 authorities. Matched headings are updated to the 1XX form. Unmatched headings are then matched against the 1XX and 4XX headings in RDA authorities. Matched headings will be updated to the RDA 1XX form in the RDA record. Any headings that are still unmatched are left unchanged and added to a report.

RDA bib headings are first searched against 1XX and 4XX fields in RDA authorities. Matched headings are updated to the 1XX form. Unmatched headings are then matched against the 1XX and 4XX fields in AACR2 authorities and matched headings are updated to the AACR2 1XX form.

Any headings that are still unmatched are left unchanged and added to a report.

AACR2 bib search order:

  1. AACR2 1XX/4XX
  2. RDA 1XX/4XX

RDA bib search order:

  1. RDA 1XX/4XX
  2. AACR2 1XX/4XX


LINKS

7.1
1.0 - 2.0 - 3.0 - 4.0 - 5.0 - 6.0 - 7.0
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