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Parsimmon

Build Status

Parsimmon is a wee linguistics toolkit for iOS written in Swift.

We currently support Swift 2.0. If you are looking for Objective-C, please use version 0.3.4 or earlier.

Toolkit

Currently available tools:

  • Tokenizer
  • Tagger
  • Lemmatizer
  • Naive Bayes Classifier
  • Decision Tree (alpha)

Installation

The easiest way to get started is to use CocoaPods version 0.36 or higher. Just add the following line to your Podfile:

pod 'Parsimmon', '~> 0.5.0'

Examples

To start using Parsimmon:

import Parsimmon

Tokenizer

let tokenizer = Tokenizer() let tokens = tokenizer.tokenize("The quick brown fox jumps over the lazy dog") print(tokens)
( The, quick, brown, fox, jumps, over, the, lazy, dog ) 

Tagger

let tagger = Tagger() let taggedTokens = tagger.tagWordsInText("The quick brown fox jumps over the lazy dog") print(taggedTokens)
( "('The', Determiner)", "('quick', Adjective)", "('brown', Adjective)", "('fox', Noun)", "('jumps', Noun)", "('over', Preposition)", "('the', Determiner)", "('lazy', Adjective)", "('dog', Noun)" ) 

Lemmatizer

let lemmatizer = Lemmatizer() let lemmatizedTokens = lemmatizer.lemmatizeWordsInText("Diane, I'm holding in my hand a small box of chocolate bunnies.") print(lemmatizedTokens)
( diane, i, hold, in, my, hand, a, small, box, of, chocolate, bunny ) 

Naive Bayes Classifier

let classifier = NaiveBayesClassifier() // Train the classifier with some ham examples. classifier.trainWithText("nom nom ham", category: "ham") classifier.trainWithText("make sure to get the ham", category: "ham") classifier.trainWithText("please put the eggs in the fridge", category: "ham") // Train the classifier with some spam examples. classifier.trainWithText("spammy spam spam", category: "spam") classifier.trainWithText("what does the fox say?", category: "spam") classifier.trainWithText("and fish go blub", category: "spam") // Classify some new text. Is it ham or spam? // In practice, you'd want to train with more examples first. let firstExample = "use the eggs in the fridge." let secondExample = "what does the fish say?" print("\(firstExample) => \(classifier.classify(firstExample))") print("\(secondExample) => \(classifier.classify(secondExample))")
'use the eggs in the fridge.' => ham 'what does the fish say?' => spam 

License

MIT

Contributing

We’d love to see your ideas for improving this library! The best way to contribute is by submitting a pull request. We’ll do our best to respond to your patch as soon as possible. You can also submit a new GitHub issue if you find bugs or have questions. :octocat:

Please make sure to follow our general coding style and add test coverage for new features!

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Parsimmon is a wee linguistics toolkit for iOS written in Swift.

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