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Help/SemanticSearchPlugin
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Search for relations/attributes and its values. page - relation::object. e.g list all cities: is_a::city => relation=is_a&s=city We search for both a relation and if the search is valid for attributes also, and OR combine the result. An attribute has just a value, which is a number, and which is for sure no pagename, and its value goes through some units unification. (not yet) We can also do numerical comparison and unit lifting with attributes: * population > 1000000 * population > 1 million Limitation: * The backends can already do simple AND/OR combination of multiple relations and attributes to search for. Just the UI not. TODO: implement the AND/OR buttons. population < 1 million AND area > 50 km2 * Due to attribute internals a relation search with matching attribute names will also find those attribute names, but not the values. You must explicitly search for attributes then. The Advanced query can do a freeform query expression with multiple comparison and nesting. * "is_a::city and population > 1.000.000 and population < 10.000.000" * "(is_a::city or is_a::country) and population < 10.000.000" == Usage == {{{ <<SemanticSearch arguments>> }}} == Arguments == All [[Help:PageList|PageList]] arguments, plus the following ones: {| class="bordered" |- ! Argument ! Description ! Default value |- | **s** | linkvalue query string | * |- | **page** | which pages (glob allowed) | ~* (all) |- | **relation** | linkname. which relations. | all |- | **attribute** | linkname. which attributes. | all |- | **attr_op** | a funny written way for equality for pure aesthetic pleasure "All attributes which have this value set" | ~:= |- | **units** | | |- | **case_exact** | | true |- | **regex** | no word splitting, if no regex op is present, defaults to exact match | auto |- | **noform** | don't show form with results. | false |- | **noheader** | no caption | false |- | **info** | valid: pagename, relation, linkto, attribute, value and all other pagelist columns | false |} == Example == {{{ <<SemanticSearch>> }}} <<SemanticSearch>> == Author == * [[Help:Reini Urban|Reini Urban]] == See Also == * [[Help:TitleSearchPlugin]] * [[Help:FullTextSearchPlugin]] * [[Help:ExternalSearchPlugin]] * [[Help:InterWikiSearchPlugin]] <noinclude> ---- [[PhpWikiDocumentation]] [[CategoryWikiPlugin]] </noinclude>
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