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Table of Contents
"Subject" Fields: Populations and Purposes
This is Naomi Dushay's best attempt to understand the “subject” fields in VuFind as of 2008-08-11. It is not guaranteed to be correct, nor up to date. It is shared here in the hopes it may be useful to others.
Topic Fields
| Field Name | Function | Traits | Current Algorithm |
|---|---|---|---|
| topic |
* Topic Fielded Search (boost: 50)
- default (two flavors of use, boosted 750, 30) | tokenized, stopwords,
stemmed, case folded
multivalued
stored (should it be?)| 600a + 600b + 600c + 600d
600p, 600q, 600t
610a + 610b
610p, 610t
630a, 630p, 630s, 630t
650a |
| topicStr | Facet (search results)
Subject Fielded Search (boost: 500)
Item View - subject links have hidden search term for each existing 600, 610, 630, 650
Author View - get subjects by author | not tokenized
multivalued
not stored | same as topic field |
| fulltopic |
* Topic Fielded Search (boost: 1)
- Subject Fielded Search (three flavors - boosted 300, 100, 1)
- getMoreLikeThis (two flavors - boosted 300, 250) | tokenized, stopwords,
stemmed, case folded
multivalued
\\stored (should it be?)| 600 all subfields
610 all subfields
630 all subfields
650 all subfields |
| subtopic | Item View - subject links have hidden search term for each existing 600, 610, 630, 650 v,x,y,z | tokenized, stopwords,
stemmed, case folded
multivalued
stored (should it be?)| 600v, 600x, 600y, 600z
610v, 610x, 610y, 610z
630v, 630x, 630y, 630z
650v, 650x, 650y, 650z |
Geographic Location Fields
| Field Name | Function | Traits | Current Algorithm |
|---|---|---|---|
| geographic |
* default (two flavors of use, boosted 300, 30)
- Geo Fielded Search (boost: 50) | tokenized, stopwords,
stemmed, case folded
multivalued
stored (should it be?)| 651a |
| geographicStr | Facet (search results)
Subject Fielded Search (boost: 500)
Item View - subject links have hidden search term for each existing 651a
Browse View - browse by Region | not tokenized
multivalued
not stored | same as geographic field |
| fullgeographic |
* Subject Fielded Search (three flavors - boosted 300, 100, 1)
* Geo Fielded Search (boost: 1) | tokenized, stopwords,
stemmed, case folded
multivalued
stored (should it be?)| 651 all subfields |
| subgeographic | Item View - subject links have hidden search term for each existing 651 v,x,y,z | tokenized, stopwords, stemmed, case folded multivalued stored (should it be?) | 651v, 651x, 651y, 651z |
Genre Fields
| Field Name | Function | Traits | Current Algorithm |
|---|---|---|---|
| genre |
* default (two flavors of use, boosted 300, 30)
- Genre Fielded (boost: 50) | tokenized, stopwords,
stemmed, case folded
multivalued
stored (should it be?)| 655a, 655b |
| genreStr | Facet (search results)
Subject Fielded Search (boost: 500)
Item View - subject links have hidden search term for each existing 655a
Browse View - browse by genre | not tokenized
multivalued
not stored | same as genre field |
| fullgenre |
* Subject Fielded (three flavors - boosted 300, 100, 1)
- Genre Fielded (boost: 1) | tokenized, stopwords,
stemmed, case folded
multivalued
stored (should it be?) | 655 all subfields |
| subgenre | Item View - subject links have hidden search term for existing 655v, 655x, 655y, 655z | tokenized, stopwords,
stemmed, case folded
multivalued
stored (should it be?) | 655v, 655x, 655y, 655z |
Era Field
| Field Name | Function | Traits | Current Algorithm |
|---|---|---|---|
| era |
Search:
- Subject Fielded (three flavors, boost: 300, 100, 1)
- Era Fielded (only field)
Browse view - browse by era | not tokenized
multivalued
stored (should it be?)| 650y, 651y |