pepe PepeRoConde

## bm25.py
""" Implementation of OKapi BM25 with sklearn's TfidfVectorizer
Distributed as CC-0 (https://creativecommons.org/publicdomain/zero/1.0/)
"""

import numpy as np
from sklearn.feature_extraction.text import TfidfVectorizer
from scipy import sparse


class BM25(object):
	""" Implementation of OKapi BM25 with sklearn's TfidfVectorizer
	Distributed as CC-0 (https://creativecommons.org/publicdomain/zero/1.0/)
	"""

	import numpy as np
	from sklearn.feature_extraction.text import TfidfVectorizer
	from scipy import sparse


	class BM25(object):