Questions tagged [named-entity-recognition]
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11
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Extracting “hidden” costs from financial statements using NLP
I'm designing a NLP model to extract various kinds of "hidden" expenses from 10-K and 10-Q financial statements. I've come up with about 7 different expense categories (restructuring costs, ...
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1answer
30 views
How to train a sequence labeling model with annotations from three annotators?
I have a dataset of movie reviews annotated by 3 persons. The following example contains one sentence with corresponding annotations from 3 different persons.
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1answer
291 views
How to understand 'losses' in Spacy's custom NER training engine?
From the tid-bits, I understand of neural networks (NN), the Loss function is the difference between predicted output and expected output of the NN. I am following this tutorial, the losses are ...
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8 views
What is this for loop doing in custom NER code in Spacy and what is an 'annotation' in Spacy?
I am writing a code to train custom entities in Spacy's NER engine. I am stuck in understanding small part of code from an online tutorial. Here's a link to the tutorial. The following code is line ...
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1answer
25 views
Should we use a pre-trained model or a blank model for custom entity training of NER in spacy?
Further to my last question, I am training a custom entity of FOODITEM to be recognized by Spacy's Name Entity Recognition engine. I am following tutorials online, following is the advise given in ...
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53 views
Using Reformer model to do NER in Trax
I have been looking at the NER example with Trax in this notebook: https://github.com/google/trax/blob/master/trax/examples/NER_using_Reformer.ipynb
However the notebook only gives an example as far ...
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39 views
Determining if an entity in free text is 'present' or 'absent'; what is this called in NLP?
I'm processing a semi-structured scientific document and trying to extract some specific concepts. I've actually made quite good progress without machine-learning so far, but I got to a block of true ...
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1answer
39 views
Do we have to use the IOB format on labels in the NER dataset? If so, why?
Do we have to use the IOB format on labels in the NER dataset (such as B-PERSON, I-PERSON, etc.) instead of using the usual format (PERSON, ORGANIZATION, etc.)? If so, why? How will it affect the ...
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1answer
33 views
Is it possible to create a named entity recognition system without using POS tagging in the corpus?
Is it possible to create a named entity recognition system without using POS tagging in the corpus?
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2answers
242 views
What are the main ideas behind NER?
Named entity recognition (NER), also known as entity chunking/extraction, is a popular technique used in information extraction to identify and segment the named entities and classify or categorize ...
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25 views
Are there any good resources (preferably books) about techniques used for entity extraction?
Given some natural language sentences like
I would like to talk to Mr. Smith
I would like to extract entities, like the person "Smith".
I know that frameworks, which are capable of doing ...
