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Arcee helps with the development of the SLMs—small, specialized, secure, and scalable language models.
This notebook demonstrates how to use the ArceeRetriever class to retrieve relevant document(s) for Arcee’s Domain Adapted Language Models (DALMs).

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Setup

Before using ArceeRetriever, make sure the Arcee API key is set as ARCEE_API_KEY environment variable. You can also pass the api key as a named parameter. 
from langchain_community.retrievers import ArceeRetriever

retriever = ArceeRetriever(
    model="DALM-PubMed",
    # arcee_api_key="ARCEE-API-KEY" # if not already set in the environment
)

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Additional Configuration

You can also configure ArceeRetriever’s parameters such as arcee_api_url, arcee_app_url, and model_kwargs as needed. Setting the model_kwargs at the object initialization uses the filters and size as default for all the subsequent retrievals. 
retriever = ArceeRetriever(
    model="DALM-PubMed",
    # arcee_api_key="ARCEE-API-KEY", # if not already set in the environment
    arcee_api_url="https://custom-api.arcee.ai",  # default is https://api.arcee.ai
    arcee_app_url="https://custom-app.arcee.ai",  # default is https://app.arcee.ai
    model_kwargs={
        "size": 5,
        "filters": [
            {
                "field_name": "document",
                "filter_type": "fuzzy_search",
                "value": "Einstein",
            }
        ],
    },
)

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Retrieving documents

You can retrieve relevant documents from uploaded contexts by providing a query. Here’s an example: 
query = "Can AI-driven music therapy contribute to the rehabilitation of patients with disorders of consciousness?"
documents = retriever.invoke(query)

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Additional parameters

Arcee allows you to apply filters and set the size (in terms of count) of retrieved document(s). Filters help narrow down the results. Here’s how to use these parameters: 
# Define filters
filters = [
    {"field_name": "document", "filter_type": "fuzzy_search", "value": "Music"},
    {"field_name": "year", "filter_type": "strict_search", "value": "1905"},
]

# Retrieve documents with filters and size params
documents = retriever.invoke(query, size=5, filters=filters)
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