[Hindi]NLP 19# Phrase Matching and Vocabulary P.2 |NLP|Python 3|Natural Language Processing|2019

[Hindi]NLP 19# Phrase Matching and Vocabulary P.2  |NLP|Python 3|Natural Language Processing|2019

Code:

# -*- coding: utf-8 -*-
"""NLP_Ex12.ipynb

Automatically generated by Colaboratory.

Original file is located at
    https://colab.research.google.com/drive/1j3XIpD1UXOI0EU-8PMbBOB-zwTqSPtX9
"""

import spacy

nlp = spacy.load("en_core_web_sm")

from google.colab import files

upload = files.upload()

from spacy.matcher import PhraseMatcher

matcher = PhraseMatcher(nlp.vocab)

with open('reaganomics.txt', encoding='unicode_escape') as f:
  doc3 = nlp(f.read())

phrase_list = ['voodoo economics','supply-side economics','trickle-down economics', 'free-market economics']

phrase_pattern = [nlp(text) for text in phrase_list]

matcher.add('EconMatcher',None,*phrase_pattern)

found_matches = matcher(doc3)

found_matches

for matches_id, start,end in found_matches:
  string_id = nlp.vocab.strings[matches_id]
  span = doc3[start:end]
  print(matches_id, string_id, start, end, span.text)

for matches_id, start,end in found_matches:
  string_id = nlp.vocab.strings[matches_id]
  span = doc3[start-5:end+5]
  print(matches_id, string_id, start, end, span.text)

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