nlp - How do I tell if a noun is a person, place, or a thing? -

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I am attempting to classify the text and then attempt to map names to a person, place or something I am Is there any way or dictionary to do this?

Since you are working with classification, it may be interesting to take a look at Alchemy API , http://www.alchemyapi.com/products/features/ . You have a free API key where you can try things.

But it does not stop here, if you want to manually do it yourself, because you can see in the @Tripli answer, Wordnet has mentioned, it's something interesting, and you have now The API is where you can use it like Java and can communicate with WordNet.

Plus, you have many things and many are independent, these autohlies are normally in OWL or RDF. You can inquire these otograms and get relevant information. For O ओলॉल्स्ज, you have OWLAPI, which you can use to interact for RDF, you can use Apache Jenna and write a SPARQL statement.

In addition, you have dBipedia, which is very interesting and I believe it can solve your problem to a great extent. Wikipedia is a machine-readable format. For example, you can write SPARQL (such as SQL Statement), for example, let me assume that I want to see the relationship between London and the UK, 

  select property WHERE { : London? Property: United_Kingdom}

Or suppose I want to get all countries and cities, 

  select DISTINCT? city? Country WHERE {? City rdf: type dbpedia-owl: City; Rdfs: label? the label; Dbpedia-owl: Country? Country}

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