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LASER Language-Agnostic SEntence Representations Embeddings by Meta AI

LASER is a Python library developed by the Meta AI Research team and used for creating multilingual sentence embeddings for over 147 languages as of 2/25/2024

Dependenciesโ€‹

To use LaserEmbed with LangChain, install the laser_encoders Python package.

%pip install laser_encoders

Importsโ€‹

from langchain_community.embeddings.laser import LaserEmbeddings
API Reference:LaserEmbeddings

Instantiating Laserโ€‹

Parametersโ€‹

  • lang: Optional[str]

    If empty will default to using a multilingual LASER encoder model (called "laser2"). You can find the list of supported languages and lang_codes here and here .

# Ex Instantiationz
embeddings = LaserEmbeddings(lang="eng_Latn")

Usageโ€‹

Generating document embeddingsโ€‹

document_embeddings = embeddings.embed_documents(
["This is a sentence", "This is some other sentence"]
)

Generating query embeddingsโ€‹

query_embeddings = embeddings.embed_query("This is a query")

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