Semantic search

To embed this query inline into a wiki page use the code below.

{{#ask: [[Category:Reference]] [[sortdate::≥1990]] [[sortdate::≤1999.9999]] [[sortdate::!0]]
 |?sortdate
 |format=table
 |limit=500
 |offset=0
 |sort=sortform
 |order=asc
 |mainlabel=Reference
 |searchlabel=show list
 |default= 
}}

Query log

{
    "query_string": "[[Category:Reference]] [[sortdate::\u22651990]] [[sortdate::\u22641999.9999]] [[sortdate::!0]]",
    "query_source": "SMWSQLStore",
    "query_time": "0.0449",
    "from_cache": false
}