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Natural Language Processing Questions & Answers

Browse 117 Natural Language Processing questions and answers from learners and industry experts. Find practical fixes, interview prep and step-by-step solutions - or ask your own.

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How to implement Porter Stemmer in Python?

Porter steamer can be used in Python by implementing either knelt or Spacey or any other text processing libraries. In this case we will be using…

Data Science · Natural Language Processing

1 Answer · 2.2K Views · Answered ✓

Asked by: Miura Baba · 6 years ago

Explain lemmatization.

In contrast to stemming, lemmatization looks beyond word reduction, and considers a language’s full vocabulary to apply a morphological analysis to…

Data Science · Natural Language Processing

2 Answers · 1.4K Views · Answered ✓

Asked by: Nakano Hase · 6 years ago

Differentiate term frequency from inverse document frequency matrix.

In term frequency matrix, it finds out the relevance of words present in a document. It assumes the more frequently the word appears in a document,…

Data Science · Natural Language Processing

1 Answer · 1.6K Views · Answered ✓

Asked by: Fukuda Ashikaga · 6 years ago

How to implement NER in Spacy?

First, Spacy should be imported and any sentence

Data Science · Natural Language Processing

1 Answer · 1.1K Views · Answered ✓

Asked by: Celina Lagunas · 6 years ago

How is NER helpful in semantic annotation?

Semantic annotator nourishes the unstructured text data and extracts the important information which are linked to the structured domain knowledge.…

Data Science · Natural Language Processing

1 Answer · 1.7K Views · Answered ✓

Asked by: Fiona Dickens · 6 years ago

How to visualize entities in a sentence line by line in Python?

Unlike the display dependency parse, the NER viewer has to take in a Doc object with an ents attribute. For this reason, we can't just pass a list of…

Data Science · Natural Language Processing

1 Answer · 1.7K Views · Answered ✓

Asked by: Okamoto Bando · 6 years ago

Why is F1-Score better than precision and recall in evaluating NER?

Precision works fine when false positive cases are high. On the other hand, recall works fine when false negative cases are high. Since many domain…

Data Science · Natural Language Processing

1 Answer · 1.6K Views · Answered ✓

Asked by: Nishimura Asato · 6 years ago

How are entity annotations helpful in NLP?

Entity annotations are helpful in providing information about the location of entities in a document, index positions, starting and ending positions…

Data Science · Natural Language Processing

1 Answer · 1.5K Views · Answered ✓

Asked by: Nishimura Asato · 6 years ago

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