What free-text options can I use with bif:contains? Virtuoso supports use of several free-text options with bif:contains. OFFBAND See description for OFFBAND in this document. Note: OFFBAND is useful only if data comes via an Linked Data View and the source relational table uses this trick. SCORE SCORE is calculated as described in this document. SQL> SPARQL SELECT ?s1 AS ?c1 , ?sc , ?rank WHERE { { { SELECT ?s1 , (?sc * 3e-1) AS ?sc , ?o1 , (sql:rnk_scale (<LONG::IRI_RANK> (?s1))) AS ?rank WHERE { ?s1 ?s1textp ?o1 . ?o1 bif:contains '"CNET"' OPTION ( SCORE ?sc ) } ORDER BY DESC (?sc * 3e-1 + sql:rnk_scale (<LONG::IRI_RANK> (?s1))) LIMIT 20 OFFSET 0 } } }; c1 sc rank _________________________________________________________________________ http://www.mixx.com/stories/45003360/justi... 3 5.881291583872891e-14 http://www.mixx.com/stories/45099313/bing_... 2.7 5.881291583872891e-14 http://dbpedia.org/resource/CBS_Interactive 1.5 5.881291583872891e-14 http://dbpedia.org/resource/CBS_Interactive 1.5 5.881291583872891e-14 4 Rows. -- 1 msec. View the results of the query execution on the LOD instance. SCORE_LIMIT SCORE_LIMIT works as it does in plain SQL free-text. See more details. SQL> SPARQL SELECT ?s , ?sc WHERE { ?s ?p ?o . ?o bif:contains "tree" OPTION ( SCORE ?sc , SCORE_LIMIT 20 ) }; s sc VARCHAR INTEGER ________________________________________________________________________________ http://www.openlinksw.com/virtrdf-data-formats#default 24 http://www.openlinksw.com/virtrdf-data-formats#default 24 http://www.openlinksw.com/virtrdf-data-formats#sql-longvarbinary 21 http://www.openlinksw.com/virtrdf-data-formats#sql-varchar-dt 20 http://www.openlinksw.com/virtrdf-data-formats#sql-nvarchar-dt 20 http://www.openlinksw.com/virtrdf-data-formats#sql-varchar-lang 20 http://www.openlinksw.com/virtrdf-data-formats#sql-nvarchar-lang 20 7 Rows. -- 2 msec. View the results of the query execution on the LOD instance. Related Virtuoso Tips and Tricks Collection Query Constructs