---++++Dump all Categories containing in their description "reads"
<verbatim>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX ndw:<http://demo.openlinksw.com/schemas/northwind#>
SELECT ?name ?description
WHERE
  { 
    ?sp a ndw:Category.
    ?sp ndw:categoryName ?name.
    ?sp ndw:description ?description.
    FILTER REGEX(str(?description), 'reads') .
  }
</verbatim>

---++++Sample Data (Live Query Results)

   * View Query Results [[http://demo.openlinksw.com/sparql?default-graph-uri=&should-sponge=&query=PREFIX+rdf%3A+%3Chttp%3A%2F%2Fwww.w3.org%2F1999%2F02%2F22-rdf-syntax-ns%23%3E%0D%0APREFIX+ndw%3A%3Chttp%3A%2F%2Fdemo.openlinksw.com%2Fschemas%2Fnorthwind%23%3E%0D%0ASELECT+%3Fname+%3Fdescription%0D%0AWHERE%0D%0A++%7B+%0D%0A++++%3Fsp+a+ndw%3ACategory.%0D%0A++++%3Fsp+ndw%3AcategoryName+%3Fname.%0D%0A++++%3Fsp+ndw%3Adescription+%3Fdescription.%0D%0A++++FILTER+REGEX%28str%28%3Fdescription%29%2C+%27reads%27%29+.%0D%0A++%7D&format=text%2Fhtml&debug=on][(via SPARQL Protocol URL)]]
   * View Query Results [[http://demo.openlinksw.com/view/?format=application%2Frdf%2Bxml&maxrows=50&query=%0APREFIX%20rdf%3A%20%3Chttp%3A%2F%2Fwww.w3.org%2F1999%2F02%2F22-rdf-syntax-ns%23%3E%0APREFIX%20ndw%3A%3Chttp%3A%2F%2Fdemo.openlinksw.com%2Fschemas%2Fnorthwind%23%3E%0ASELECT%20%3Fname%20%3Fdescription%0AWHERE%0A%20%20%7B%20%0A%20%20%20%20%3Fsp%20a%20ndw%3ACategory.%0A%20%20%20%20%3Fsp%20ndw%3AcategoryName%20%3Fname.%0A%20%20%20%20%3Fsp%20ndw%3Adescription%20%3Fdescription.%0A%20%20%20%20FILTER%20REGEX(str(%3Fdescription)%2C%20%27reads%27)%20.%0A%20%20%7D&endpoint=/sparql&maxrows=50&default-graph-uri=][(via iSPARQL Results URL)]]
   * View Query Editor [[http://demo.openlinksw.com/isparql/?query=PREFIX%20rdf%3A%20%3Chttp%3A%2F%2Fwww.w3.org%2F1999%2F02%2F22-rdf-syntax-ns%23%3E%0APREFIX%20ndw%3A%3Chttp%3A%2F%2Fdemo.openlinksw.com%2Fschemas%2Fnorthwind%23%3E%0ASELECT%20%3Fname%20%3Fdescription%0AWHERE%0A%20%20%7B%20%0A%20%20%20%20%3Fsp%20a%20ndw%3ACategory.%0A%20%20%20%20%3Fsp%20ndw%3AcategoryName%20%3Fname.%0A%20%20%20%20%3Fsp%20ndw%3Adescription%20%3Fdescription.%0A%20%20%20%20FILTER%20REGEX(str(%3Fdescription)%2C%20%27reads%27)%20.%0A%20%20%7D&endpoint=/sparql&maxrows=50&default-graph-uri=][(via iSPARQL Visual Query Editor URL)]]