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pythondatasetsactive-learningtext-annotationdatasetnatural-language-processingdata-labelingmachine-learningannotation-tool
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27 lines
430 B
27 lines
430 B
"""
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Preprocessor.
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"""
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import MeCab
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from sklearn.feature_extraction.text import TfidfVectorizer
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t = MeCab.Tagger('-Owakati')
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def tokenize(text):
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"""Tokenize Japanese text.
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Args:
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text: Japanese string.
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Returns:
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A list of words.
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"""
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words = t.parse(text).rstrip().split()
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return words
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def build_vectorizer():
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vectorizer = TfidfVectorizer(tokenizer=tokenize)
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return vectorizer
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