51 lines
1.4 KiB
C#
51 lines
1.4 KiB
C#
using BotSharp.Algorithm.Features;
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using BotSharp.NLP.Tokenize;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace BotSharp.NLP.Classify
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{
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public class ClassifierFactory<IClassify, IFeatureExtractor>
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where IClassify : IClassifier, new()
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where IFeatureExtractor : ITextFeatureExtractor, new()
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{
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private SupportedLanguage _lang;
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private IClassify _classifier;
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private ClassifyOptions _options;
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private IFeatureExtractor featureExtractor;
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public ClassifierFactory(ClassifyOptions options, SupportedLanguage lang)
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{
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_lang = lang;
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_options = options;
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_classifier = new IClassify();
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featureExtractor = new IFeatureExtractor();
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}
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public void Train(List<Sentence> sentences)
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{
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var vectors = new List<Tuple<string, double[]>>();
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var sents = sentences.Select(x => new Tuple<string, double[]>(x.Label, x.Vector)).ToList();
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_classifier.Train(sents, new double[] { 0, 1 }, _options);
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}
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public List<Tuple<string, double>> Classify(Sentence sentence)
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{
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var options = new ClassifyOptions
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{
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};
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var classes = _classifier.Classify(sentence.Vector, options);
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return classes.OrderByDescending(x => x.Item2).ToList();
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}
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}
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}
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