spacy-lookup | Named Entity Recognition based on dictionaries | Natural Language Processing library
kandi X-RAY | spacy-lookup Summary
kandi X-RAY | spacy-lookup Summary
Named Entity Recognition based on dictionaries
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Top functions reviewed by kandi - BETA
- Process the given text .
- Setup spacy package .
- Initialize the class .
- Returns an iterable of entities .
- Return True if the tokens has entities in the given list .
- Get entity description .
spacy-lookup Key Features
spacy-lookup Examples and Code Snippets
Community Discussions
Trending Discussions on spacy-lookup
QUESTION
I am having a hard time figuring out how to assemble spacy pipelines bit by bit from built in models in spacy V3. I have downloaded the en_core_web_sm
model and can load it with nlp = spacy.load("en_core_web_sm")
. Processing of sample text works just fine like this.
Now what I want though is to build an English pipeline from blank and add components bit by bit. I do NOT want to load the entire en_core_web_sm
pipeline and exclude components. For the sake of concreteness let's say I only want the spacy default tagger
in the pipeline. The documentation suggests to me that
ANSWER
Answered 2021-Aug-02 at 14:09nlp.add_pipe("tagger")
adds a new blank/uninitialized tagger, not the tagger from en_core_web_sm
or any other pretrained pipeline. If you add the tagger this way, you need to initialize and train it before you can use it.
You can add a component from an existing pipeline using the source
option:
QUESTION
I am trying to train a text categorization pipe in SpaCy:
...ANSWER
Answered 2021-Feb-25 at 13:12It isn't allowed to call nlp.begin_training()
on pretrained models. If you want to train a new model, just use:
nlp = spacy.blank('en')
instead of nlp = spacy.load("en_core_web_sm")
However, if you want to continue training on an existing model call optimizer = nlp.create_optimizer()
instead of begin_training()
QUESTION
There seems to be an inconsistency when iterating over a spacy document and lemmatizing the tokens compared to looking up the lemma of the word in the Vocab lemma_lookup table.
...ANSWER
Answered 2020-Apr-09 at 12:10With a model like en_core_web_lg
that includes a tagger and rules for a rule-based lemmatizer, it provides the rule-based lemmas rather than the lookup lemmas when POS tags are available to use with the rules. The lookup lemmas aren't great overall and are only used as a backup if the model/pipeline doesn't have enough information to provide the rule-based lemmas.
With faster
, the POS tag is ADV
, which is left as-is by the rules. If it had been tagged as ADJ
, the lemma would be fast
with the current rules.
The lemmatizer tries to provide the best lemmas it can without requiring the user to manage any settings, but it's also not very configurable right now (v2.2). If you want to run the tagger but have lookup lemmas, you'll have to replace the lemmas after running the tagger.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install spacy-lookup
You can use spacy-lookup like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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