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In [1]: from gensim import models from collections import defaultdict from gensim import corpora from gensim import similarities import pandas as pd import time, timeit, os, sys , re , math from datetime import datetime from nltk import sent_tokenize, word_tokenize from konlpy.tag import Hannanum hannanum = Hannanum() from kiwipiepy import Kiwi kiwi = Kiwi() kiwi.prepare() # BM25 를 사용하여 코사인 유사도에..