Difference between revisions of "Step 3.3"
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==STEP 3.3 : PARTIAL MATCHES== | ==STEP 3.3 : PARTIAL MATCHES== | ||
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===flip 2nd indicators=== | ===flip 2nd indicators=== | ||
During the MARS 2.0 authority matching process, partial matches are found for subject headings in which not all of the subject heading has been authorized. | During the MARS 2.0 authority matching process, partial matches are found for subject headings in which not all of the subject heading has been authorized. | ||
Revision as of 14:23, 1 December 2011
STEP 3.3 : PARTIAL MATCHES
flip 2nd indicators
During the MARS 2.0 authority matching process, partial matches are found for subject headings in which not all of the subject heading has been authorized.
Frequently, enough of the subject heading has been validated to warrant changing the 2nd indicator to reflect the match found. Even though the rest of the subject heading may not match (likely due to LC not creating authority records for every possible subdivision on a subject heading), libraries can still have the 2nd indicators flipped:
bib subject heading: 650 4 $a English language $x Foreign elements $x Greek $v Textbooks. closest match sh 85043541: 150 $a English language $x Foreign elements 2nd indicator changed to 0 for partial match: 650 0 $a English language $x Foreign elements $x Greek $v Textbooks.
Note: Only subject headings (6XX) are candidates for having their 2nd indicator flipped when a partial match is found. Headings will also be updated when partially matched.
LINKS
1.0 - 2.0 - 3.0 - 4.0 - 5.0 - 6.0
