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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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Explain Machine learning Rule based Named Entity Recognizers.

This process is used to extract the named entities by using machine learning algorithms. Such algorithms include SVM, Naïve Bayes, KNN, Random…

Data Science · Natural Language Processing

1 Answer · 1.5K Views · Answered ✓

Asked by: Emma Cornish · 6 years ago

How to implement entity annotations in Python?

Entity annotations can be implemented using any libraries. Here, we will be using Spacy to implement annotations. Here, entities such as ‘500…

Data Science · Natural Language Processing

1 Answer · 1.6K Views · Answered ✓

Asked by: Ota Azuma · 6 years ago

Explain how to perform a sentence segmentation in Python using Spacy.

Sentence segmentation is the process of deciding where the sentences start or end in NLP. It is also known as sentence breaking or sentence boundary…

Data Science · Natural Language Processing

1 Answer · 3.3K Views · Answered ✓

Asked by: Gabrielle Dowd · 6 years ago

What are the measures required to evaluate NER?

Many measures are developed and revised to evaluate and increase the performance of Named Entity Recognition. The most important measures are…

Data Science · Natural Language Processing

1 Answer · 1.3K Views · Answered ✓

Asked by: Gabrielle Dowd · 6 years ago

Why removing stopwords is not always a good idea?

Stop words really matter in text p reprocessing problem but when it comes to sentiment analysis, stop words can create a lot of problems. It can…

Data Science · Natural Language Processing

1 Answer · 2.1K Views · Answered ✓

Asked by: Fujiwara Ban · 6 years ago

Explain SemEval system.

SemEval is an evaluation technique used in NER which performs semantic analysis and they are implemented to explore the meaning of words in a…

Data Science · Natural Language Processing

1 Answer · 1.4K Views · Answered ✓

Asked by: Emily Coleman · 6 years ago

Explain Rule-Based Named Entity Recognizers.

This process is used to find a match between two languages based on their sounding and pronunciation characteristics and a suitable entity is…

Data Science · Natural Language Processing

1 Answer · 1.5K Views · Answered ✓

Asked by: Emily Coleman · 6 years ago

How to implement Stanford NER in Python?

To implement Stanford NER, we first need to implement proper tagger and word tokenizer to tokenize the words of a sentence. from nltk.tag import…

Data Science · Natural Language Processing

1 Answer · 1.5K Views · Answered ✓

Asked by: Nakano Hase · 6 years ago

What are some of the approaches used in Named Entity Recognition?

The approaches which are commonly used in Named Entity Recognition are a) Rule based Named Entity Recognizer b) Machine Learning Based Named Entity…

Data Science · Natural Language Processing

1 Answer · 1.4K Views · Answered ✓

Asked by: Nakano Hase · 6 years ago

A user has fitted a CountVectorizer to some documents in scikit-learn. He would like to see all the terms and their corresponding frequency in the text corpus, in order to select stop-words. For example: 'and' 123 times, 'to' 100 times, 'for' 90 times, ... and so on, Is there any built-in function for this?

If cv is the CountVectorizer and X is the vectorized corpus, then the following code must work zip(cv.get_feature_names(),…

Data Science · Natural Language Processing

1 Answer · 1.5K Views · Answered ✓

Asked by: Gayatri Jaiteley · 6 years ago

How to extract the named entities using polyglot?

Polyglot recognizes three types of entities Persons (Tag: I-PER): politicians, scientists, artists, athletes, etc. Organizations (Tag: I-ORG): sports…

Data Science · Natural Language Processing

1 Answer · 1.6K Views · Answered ✓

Asked by: Nakano Hase · 6 years ago

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