BotSharp/BotSharp.NLP.UnitTest/NGramTaggerTest.cs

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2018-08-17 20:49:29 +00:00
using BotSharp.NLP.Corpus;
using BotSharp.NLP.Tag;
using BotSharp.NLP.Tokenize;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
namespace BotSharp.NLP.UnitTest
{
[TestClass]
public class NGramTaggerTest
{
[TestMethod]
public void TagInCoNLL2000()
{
// tokenization
var tokenizer = new TokenizerFactory<RegexTokenizer>(new TokenizationOptions
{
Pattern = RegexTokenizer.WORD_PUNC
}, SupportedLanguage.English);
var tokens = tokenizer.Tokenize("How are you doing?");
// get training corpus
string corpusDir = Environment.GetEnvironmentVariable("BOTSHARP_CORPUS_PATH", EnvironmentVariableTarget.User);
var sentences = new CoNLLReader()
.Read(new ReaderOptions
{
DataDir = Path.Combine(corpusDir, "CoNLL"),
FileName = "conll2000_chunking_train.txt"
});
// start tag
var tagger = new TaggerFactory<NGramTagger>(new TagOptions
{
NGram = 2,
Tag = "NN",
Corpus = sentences
}, SupportedLanguage.English);
tagger.Tag(new Sentence { Words = tokens });
}
}
}