Is there an OR operator in spaCy's Matcher patterns?












0















Using spaCy 2.x, how to extract noun phrases based on parts of speech? I want to use patterns with spaCy's Matcher but combinations are too many to create them manually.



Indeed, in my logic, a noun phrase is a group of one or many tokens that:




  • must end with a NOUN token

  • can also contain zero, one or many ADJ, PROPN, NOUN tokens in any order before the ending NOUN token


For example:




  • NOUN ADJ NOUN

  • NOUN

  • ADJ ADJ NOUN NOUN


Is there an "OR" operator so I could use a pattern such as the below (using an array of matching POS, for example)?



matcher.add(

'NounPhrases',
None,
[
{'POS': ['ADJ','NOUN','PROPN'], 'OP': '*'},
{'POS': 'NOUN'}
]
)









share|improve this question



























    0















    Using spaCy 2.x, how to extract noun phrases based on parts of speech? I want to use patterns with spaCy's Matcher but combinations are too many to create them manually.



    Indeed, in my logic, a noun phrase is a group of one or many tokens that:




    • must end with a NOUN token

    • can also contain zero, one or many ADJ, PROPN, NOUN tokens in any order before the ending NOUN token


    For example:




    • NOUN ADJ NOUN

    • NOUN

    • ADJ ADJ NOUN NOUN


    Is there an "OR" operator so I could use a pattern such as the below (using an array of matching POS, for example)?



    matcher.add(

    'NounPhrases',
    None,
    [
    {'POS': ['ADJ','NOUN','PROPN'], 'OP': '*'},
    {'POS': 'NOUN'}
    ]
    )









    share|improve this question

























      0












      0








      0








      Using spaCy 2.x, how to extract noun phrases based on parts of speech? I want to use patterns with spaCy's Matcher but combinations are too many to create them manually.



      Indeed, in my logic, a noun phrase is a group of one or many tokens that:




      • must end with a NOUN token

      • can also contain zero, one or many ADJ, PROPN, NOUN tokens in any order before the ending NOUN token


      For example:




      • NOUN ADJ NOUN

      • NOUN

      • ADJ ADJ NOUN NOUN


      Is there an "OR" operator so I could use a pattern such as the below (using an array of matching POS, for example)?



      matcher.add(

      'NounPhrases',
      None,
      [
      {'POS': ['ADJ','NOUN','PROPN'], 'OP': '*'},
      {'POS': 'NOUN'}
      ]
      )









      share|improve this question














      Using spaCy 2.x, how to extract noun phrases based on parts of speech? I want to use patterns with spaCy's Matcher but combinations are too many to create them manually.



      Indeed, in my logic, a noun phrase is a group of one or many tokens that:




      • must end with a NOUN token

      • can also contain zero, one or many ADJ, PROPN, NOUN tokens in any order before the ending NOUN token


      For example:




      • NOUN ADJ NOUN

      • NOUN

      • ADJ ADJ NOUN NOUN


      Is there an "OR" operator so I could use a pattern such as the below (using an array of matching POS, for example)?



      matcher.add(

      'NounPhrases',
      None,
      [
      {'POS': ['ADJ','NOUN','PROPN'], 'OP': '*'},
      {'POS': 'NOUN'}
      ]
      )






      python-3.x nlp spacy






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      asked Nov 21 '18 at 11:33









      LazharLazhar

      517415




      517415
























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