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From Doğacan Güney (JIRA) <>
Subject [jira] Commented: (NUTCH-445) Domain İndexing / Query Filter
Date Tue, 27 Feb 2007 16:26:05 GMT


Doğacan Güney commented on NUTCH-445:

Has anyone looked at this? Google seems to do "site:" searches like this too. A ""
 search doesn't only return results under but also returns results under all sub-hosts
(or whatever they are called) of 

Also, IMO, this shouldn't be a seperate domain field in the index but rather, should replace
the site field. So (again IMO) this should not be a seperate plugin but should be a patch
to index-basic and query-site. 

(PS: Enis and I know each other so you may want to take this with a grain of salt.)

> Domain İndexing / Query Filter
> ------------------------------
>                 Key: NUTCH-445
>                 URL:
>             Project: Nutch
>          Issue Type: New Feature
>          Components: indexer, searcher
>    Affects Versions: 0.9.0
>            Reporter: Enis Soztutar
>         Attachments: index_query_domain_v1.0.patch, index_query_domain_v1.1.patch, TranslatingRawFieldQueryFilter_v1.0.patch
> Hostname's contain information about the domain of th host, and all of the subdomains.
Indexing and Searching the domains are important for intuitive behavior. 
> From DomainIndexingFilter javadoc : 
> Adds the domain(hostname) and all super domains to the index. 
>  * <br> For the 
>  * following will be added to the index : <br> 
>  * <ul>
>  * <li> </li>
>  * <li>apache</li>
>  * <li>org </li>
>  * </ul>
>  * All hostnames are domain names, but not all the domain names are 
>  * hostnames. In the above example hostname lucene is a 
>  * subdomain of, which is itself a subdomain of 
>  * org <br>
>  * 
> Currently Basic indexing filter indexes the hostname in the site field, and query-site
> allows to search in the site field. However will not return
>  By indexing the domain, we can be able to search domains. Unlike 
>  the site field (indexed by BasicIndexingFilter) search, searching the 
>  domain field allows us to retrieve to the query 

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