Spacy entity linking: wiki dataset not connected

Question

This relates to the Spacy entity linking library: https://github.com/egerber/spaCy-entity-linker

When I use the following code:

    # python -m spacy_entity_linker "download_knowledge_base"
    import spacy
    nlp = spacy.load("en_core_web_md")
    nlp.add_pipe("entity_linker", last=True)
    doc = nlp("I watched the Pirates of the Caribbean last silvester")
    all_linked_entities = doc._.linkedEntities

    for sent in doc.sents:
        sent._.linkedEntities.pretty_print()

I get: ValueError: [E139] Knowledge base for component 'entity_linker' is empty. Use the methods kb.add_entity and kb.add_alias to add entries.

I might need to add the downloaded knowledge base somewhere but it is nowhere stated.

The original code states that add.pipe should be (entity linking has a different name): nlp.add_pipe("entityLinker", last=True)

But then i get the error: ValueError: [E002] Can't find factory for 'entityLinker' for language English (en). This usually happens when spaCy calls nlp.create_pipe with a custom component name that's not registered on the current language class

Where are things going wrong?

installed the correct libraries

# pip install spacy-entity-linker
# python -m spacy_entity_linker "download_knowledge_base"

also have Spacy, the language model, python 3.8.

Answer 1

The SpaCy entity linker library assumes that you have spacy itself configured. As described here, you need to install a language core:

python -m spacy download en_core_web_md