Semantic MediaWiki/data: Difference between revisions
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==Tables== | ==Tables== | ||
As of SMW version 1.7: | As of SMW version 1.7: | ||
* [[/smw_atts2]]: relationships where the value is numerically/logically significant, or a "string" (non-page type) | * '''[[/smw_atts2]]''': relationships where the value is numerically/logically significant, or a "string" (non-page type) | ||
* [[/smw_conc2]]: [[smw:Help:Concepts|concepts]] | * [[/smw_conc2]]: not sure; probably [[smw:Help:Concepts|concepts]] | ||
* [[/smw_conccache]] | * [[/smw_conccache]]: not sure; presumably a cache for concepts | ||
* [[/smw_ids]]: assigns IDs to all properties and | * '''[[/smw_ids]]''': assigns IDs to all properties, and values that map to a (potential) wiki page | ||
* [[/smw_inst2]]: not sure | * [[/smw_inst2]]: not sure | ||
* [[/smw_redi2]]: not sure; redirects? | * [[/smw_redi2]]: not sure; redirects? | ||
* [[/smw_rels2]]: relationships where the value refers to a | * '''[[/smw_rels2]]''': relationships where the value refers to a (potential) wiki page | ||
* [[/smw_spec2]]: URLs to SWiVT specs | * [[/smw_spec2]]: URLs to SWiVT specs | ||
* [[/smw_subp2]] | * [[/smw_subp2]]: not sure; sub-property map? | ||
* [[/smw_subs2]] | * [[/smw_subs2]]: not sure; looks like a mapping of categories to sub-categories | ||
* [[/smw_text2]]: relationships where the value is a long text/data blob | * '''[[/smw_text2]]''': relationships where the value is a long text/data blob | ||
Core tables are boldfaced; the others seem to be primarily for optimization or auxiliary purposes. | |||
==Explanations== | ==Explanations== | ||
* Semantic relationships are defined in [[/smw rels2]], [[/smw_text2]], and [[/smw_atts2]]. | * Semantic relationships are defined in [[/smw rels2]], [[/smw_text2]], and [[/smw_atts2]]. | ||
* Correspondence between SMW entities (property names and some property values) and MediaWiki pages is defined in [[/smw_ids]] | * Correspondence between SMW entities (property names and some property values) and MediaWiki pages is defined in [[/smw_ids]] | ||
* Presumably the type of storage can be determined by looking up the SMW ID in [[/smw_spec2]], making it unnecessary to check multiple tables (rels2, text2, atts2) for each property. but it does not seem to have been designed for this purpose. | |||
Revision as of 19:41, 17 December 2012
Tables
As of SMW version 1.7:
- /smw_atts2: relationships where the value is numerically/logically significant, or a "string" (non-page type)
- /smw_conc2: not sure; probably concepts
- /smw_conccache: not sure; presumably a cache for concepts
- /smw_ids: assigns IDs to all properties, and values that map to a (potential) wiki page
- /smw_inst2: not sure
- /smw_redi2: not sure; redirects?
- /smw_rels2: relationships where the value refers to a (potential) wiki page
- /smw_spec2: URLs to SWiVT specs
- /smw_subp2: not sure; sub-property map?
- /smw_subs2: not sure; looks like a mapping of categories to sub-categories
- /smw_text2: relationships where the value is a long text/data blob
Core tables are boldfaced; the others seem to be primarily for optimization or auxiliary purposes.
Explanations
- Semantic relationships are defined in /smw rels2, /smw_text2, and /smw_atts2.
- Correspondence between SMW entities (property names and some property values) and MediaWiki pages is defined in /smw_ids
- Presumably the type of storage can be determined by looking up the SMW ID in /smw_spec2, making it unnecessary to check multiple tables (rels2, text2, atts2) for each property. but it does not seem to have been designed for this purpose.
