In doing whole-internet focused crawls we'd like a parse/injector  
filter.

Say we only want pages in our nutch db and index that have the word  
"nutch" in them. I'd like to express the rule as a lucene boolean  
query, contents:nutch, because in our real world scenario the match  
is more fuzzy and involves many phrases and terms. It's not just a  
regular expression.

If the query does not match or matches under a threshold score, I  
don't want to add the fetched/parsed document to the index, nor (more  
importantly) have the generator find outlinks from that page for  
future crawls.

This is somewhat like a url filter, but instead of filtering by url  
content I want to filter by parsed page content.

Where would I add this in nutch?

-Brian






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