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How to recover hierarchical information starting from gazetteer data files?  XML
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Joined: 21/04/2017 14:47:59
Messages: 1

Hi all,

This is my first post.

I started using the free gazetteer data file called, then indexing it using apache lucene, so that I can search for places basing on queries by position (lat,long), or by name etc.

So for so good.

I would like to know how I can use the allCountries file to provide hierarchical information to the positions, such as the geotree website ( does. Given a location, I would like to access the top position and so on until the maximum level.

In allCountries, according to the geoname table documentation, I can access the country code, admin codes etc, but no attribute seemed to allow hierarchical information in same detail as in geotree.

What can be done in this case?
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