Hi
I have found the following simple Facet Example
https://github.com/apache/lucene/blob/main/lucene/demo/src/java/org/apache/lucene/demo/facet/SimpleFacetsExample.java
whereas for a simple categorization of documents I currently use
StringField, e.g.
doc1.add(new StringField("category", "book"));
doc1.add(new StringField("category", "quantum_physics"));
doc1.add(new StringField("category", "Neumann"))
doc1.add(new StringField("category", "Wheeler"))
doc2.add(new StringField("category", "magazine"));
doc2.add(new StringField("category", "astro_physics"));
which works well, but would it be better to use Facets for this, e.g.
doc1.add(new FacetField("media-type", "book"));
doc1.add(new FacetField("topic", "physics", "quantum");
doc1.add(new FacetField("author", "Neumann");
doc1.add(new FacetField("author", "Wheeler");
doc1.add(new FacetField("media-type", "magazine"));
doc1.add(new FacetField("topic", "physics", "astro");
?
IIUC the StringField approach is more general, whereas the FacetField
approach allows to do a more specific categorization / search.
Or do I misunderstand this?
Thanks
Michael
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