Hi I want to filter some urls in dmoz collection. I only need those sites that have the string "Top/World/Persian" in their topic field. Actually I want to filter only Persian sites. But when I run the following command: nutch org.apache.nutch.tools.DmozParser content.rdf.u8 -topic Top/World/Persian It returns nothing! I also tried this one: nutch org.apache.nutch.tools.DmozParser content.rdf.u8 -topic Top -topic World -topic Persian But it returns a lot of undesirable urls! How could I retrieve only Persian sites that exist in the topic World/Persian?? Thanks for any help.
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