Comments (3)
No problem! So I'm not sure how familiar you are with the inner workings of spacy but it has a really nicely designed way of processing text as a pipeline. If you're newer to spacy, I 100% recommend the course by @ines as it does a wonderful job of explaining this. So in this case, negspacy is a custom pipeline component that adds an extension to spans. (Entities in spacy are treated as spans).
What I meant in the README was that you can use the scispacy language model and their UMLS entitylinker in conjunction with negspacy to find specific UMLS concepts that are or are not negated.
For example:
import spacy
import scispacy
from negspacy.negation import Negex
from scispacy.umls_linking import UmlsEntityLinker
nlp = spacy.load("en_core_sci_sm")
linker = UmlsEntityLinker()
#this can take a while the first time
nlp.add_pipe(linker)
negex = Negex(nlp, chunk_prefix = ["no"])
nlp.add_pipe(negex, last=True)
Then if you process a doc, you could access two new custom extensions ._.negex
and ._.umls_ents
doc = nlp("Patient denies cardiovascular disease but has headaches. No history of smoking. Alcoholism unlikely. Smoking not ruled out.")
for e in doc.ents:
print(e.text, e._.negex, e._.umls_ents)
There are many different spacy pipeline components here
from negspacy.
from scispacy.umls_linking import UmlsEntityLinker
As per the current release of scispacy, it should be
from scispacy.linking import EntityLinker
And
linker = UmlsEntityLinker()
should be
linker = EntityLinker(resolve_abbreviations=True, name="umls")
from negspacy.
Thank you very much @jenojp
from negspacy.
Related Issues (20)
- Error while processing the example HOT 2
- When I use multiprocessing pool.map, word._.negex throws an error as Can't retrieve unregistered extension attribute 'negex' HOT 3
- When running example it returns "Steve Jobs False" HOT 4
- Example from README is not working HOT 3
- Error with the termset HOT 2
- Compatibility with Scispacy HOT 3
- negspacy docs on spacy universe are out of date HOT 1
- Spacy extension error
- extract patterns out the negated entities HOT 1
- Documentation at negspacy's PyPI webpage needs to be updated HOT 1
- Negation of a wrong dependency HOT 4
- Spacy 3.2 support HOT 1
- Negation detection for :No terms HOT 2
- Tagging 'possible' terms
- Spacy 3.3 support
- How can I get this to work? HOT 4
- Applying Negex to Adjectives HOT 4
- pyproject.toml HOT 1
- KeyError: 'es_clinical' HOT 2
- Get the List of Corresponding Negation Terms for a Set of Negated Lexicons
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from negspacy.