# List databases with "ガン" or "癌" in its description

PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX db: <http://purl.jp/bio/03/dbcatalog/>

SELECT ?db ?title_ja ?title_en ?description 
FROM <http://rdf.integbio.jp/dataset/dbcatalog/main>
WHERE
{
  {
    ?db dcterms:description ?description .
    FILTER ( CONTAINS(?description, "ガン" ) || CONTAINS(?description , "癌" ) ) 
  }
  { ?db dcterms:title ?title_ja . FILTER (lang(?title_ja) = "ja" ) } 
  OPTIONAL { ?db dcterms:title ?title_en . FILTER (lang(?title_en) = "en" ) }
}