Prohibiting Bib Record Links

You can set up conditional MARC maps to prohibit linking certain bib records to other bib records. (For example, UniMARC standards do not allow a subseries linked bib record to also be a main series linked bib record.) You can set up a conditional MARC map so that Horizon cannot link a record to other records.

To prohibit linking, you must do these things:

Create a conditional MARC map in the marc_map view. (For more information on how to create a conditional MARC map, see “Understanding Conditional MARC maps” in the “General Setup” chapter of the System Administration Guide.) Enter the MARC map you created in the Link-from Test MARC map and the Link-to Test MARC map fields of the link_tag view. If the condition you set is true, then the records can link. If it is false, then Horizon prohibits the records from linking.
Make sure that the tags or subfields that you do not want to link are not set up in Syntax and Validation as linking tags or subfields. (For more information, see Setting Up or Changing Valid MARC Record Components.)

Prohibiting bib record links applies to UniMARC more than it does to USMARC, because UniMARC regulates where you can create links. Horizon contains default settings that conform to UniMARC standards.

 


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