How to get the same results as the web demo

[Florent Lachapelle]

Hello,

First i want to say thank you for Clavin wich works very well.

We integrate it into a service that take one String as input and return a country code as respons. 

We use it mainly on small string containing most of the time location information. 

String like : "Montmartre Paris, France" The webApp responds FR

It has been some month now that we use Clavin, and we have encountered some cases that didnt work as expected.

Here are 4 examples of such cases:

Norfolk, VA

Baltimore & Scotland

Chelsea, Québec; CANADA

Greenwich, CT USA

Our integration of Clavin return GB or nothing for these cases.

I tried to update the version of Clavin we use to 1.0 but that didnt change the result.

After some investigation, the problem  seems to come from the LocationExtractor (we use the ApacheExtractor implementation) that didnt recognize some part of the string as location name.

The thing is that the web demo at http://clavin.berico.us/clavin-web/ handle these cases perfectly.

So i was wondering what is making the web demo working so well. 

Does it use another LocationExtractor ?

Does it do some work on the string before calling the GeoParser?

Florent

[Charlie Greenbacker]

Hi Florent,

To get the same results as the web demo, you will want to use the CLAVIN-NERD distribution, which relies on Stanford NER as the entity extractor instead of Apache OpenNLP.

https://github.com/Berico-Technologies/CLAVIN-NERD

http://nlp.stanford.edu/software/CRF-NER.shtml

Cheers,

Charlie

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[Florent Lachapelle]

I tried CLAVIN-NERD and it works very well.

Thank you very much.