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import heapq | |
TOP_N = 5 | |
BEST_ONLY = False | |
THRESHOLD_PROBABILITY = 0.65 | |
def get_similarity_suggestion(phrase, no_percentage=False): | |
graph = tf.Graph() | |
with tf.compat.v1.Session(graph = graph) as session: | |
embed = hub.Module(module_url) | |
similarity_input_placeholder = tf.compat.v1.placeholder(tf.string, shape=(None)) | |
similarity_message_encodings = embed(similarity_input_placeholder) | |
session.run(tf.compat.v1.global_variables_initializer()) | |
session.run(tf.compat.v1.tables_initializer()) | |
to_find_embeddings = session.run(similarity_message_encodings, feed_dict={similarity_input_placeholder: [phrase]}) | |
result = np.inner(message_embeddings, to_find_embeddings) | |
top_N_indexes = heapq.nlargest(TOP_N, range(len(result)), result.take) | |
if BEST_ONLY: | |
top_N_indexes = [index for index in top_N_indexes if result[index] > THRESHOLD_PROBABILITY] | |
to_return = list() | |
for i in top_N_indexes: | |
matched = df_404s.iloc[i] | |
if no_percentage: | |
to_return.append(matched['phrase']) | |
else: | |
to_return.append([str(matched['phrase']), '%.2f' % float(result[i]*100), i]) | |
return to_return | |
#Here we test one of the 404 phrases | |
test_phrase = df_404s["phrase"].iloc[0] # -> ' shop by collection wonderland rainbow' | |
results = get_similarity_suggestion(test_phrase, no_percentage=False) | |
print(results) | |
# This is what the suggested matches looks like. | |
#[[' shop by collection wonderland rainbow', '21.87', 0], | |
# [' catalog gold earrings gold cascade earrings p 200 ', '16.33', 1], | |
# [' shop by collection silver rain silver jewelry 1 ', '1.48', 2]] | |
#You can iterate this line over all 404 urls to get the top matching suggestions for each url. | |
#Please try this as a homework exercise | |
# | |
#results = get_similarity_suggestion(test_phrase, no_percentage=False) | |
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