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Do the dot-product on the sparse matrix #2

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May 21, 2017
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Do the dot-product on the sparse matrix #2

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4 changes: 2 additions & 2 deletions Chapter-6/document_similarity.py
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Original file line number Diff line number Diff line change
Expand Up @@ -39,11 +39,11 @@
def compute_cosine_similarity(doc_features, corpus_features,
top_n=3):
# get document vectors
doc_features = doc_features.toarray()[0]
corpus_features = corpus_features.toarray()
doc_features = doc_features[0]
# compute similarities
similarity = np.dot(doc_features,
corpus_features.T)
similarity = similarity.toarray()[0]
# get docs with highest similarity scores
top_docs = similarity.argsort()[::-1][:top_n]
top_docs_with_score = [(index, round(similarity[index], 3))
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