Questions tagged [named-entity-recognition]

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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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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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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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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 ...
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Extracting keywords from messages

I'm starting a project where I want to extract keywords from given messages. The keywords are for example something like: "hard disk", "watch" or other technical components. I'm ...
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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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54 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 ...