Galaxia Retriever

Galaxia is GraphRAG solution, which automates document processing, knowledge base (Graph Language Model) creation and retrieval: galaxia-rag

To use Galaxia first upload your texts and create a Graph Language Model here: smabbler-cloud

After the model is built and activated, you will be able to use this integration to retrieve what you need.

The module repository is located here: github

Integration details

Retriever	Self-host	Cloud offering	Package
Galaxia Retriever	❌	✅	langchain-galaxia-retriever

Setup

Before you can retrieve anything you need to create your Graph Language Model here: smabbler-cloud

following these 3 simple steps: rag-instruction

Don't forget to activate the model after building it!

Installation

The retriever is implemented in the following package: pypi

%pip install -qU langchain-galaxia-retriever

Instantiation

from langchain_galaxia_retriever.retriever import GalaxiaRetriever

gr = GalaxiaRetriever(
    api_url="beta.api.smabbler.com",
    api_key="<key>",  # you can find it here: https://beta.cloud.smabbler.com/user/account
    knowledge_base_id="<knowledge_base_id>",  # you can find it in https://beta.cloud.smabbler.com , in the model table
    n_retries=10,
    wait_time=5,
)

Usage

result = gr.invoke("<test question>")
print(result)

Use within a chain

from langchain_core.output_parsers import StrOutputParser
from langchain_core.prompts import ChatPromptTemplate
from langchain_core.runnables import RunnablePassthrough

prompt = ChatPromptTemplate.from_template(
    """Answer the question based only on the context provided.

Context: {context}

Question: {question}"""
)


def format_docs(docs):
    return "\n\n".join(doc.page_content for doc in docs)


chain = (
    {"context": gr | format_docs, "question": RunnablePassthrough()}
    | prompt
    | llm
    | StrOutputParser()
)

API Reference:StrOutputParser | ChatPromptTemplate | RunnablePassthrough

chain.invoke("<test question>")

API reference

For more information about Galaxia Retriever check its implementation on github github

Related

• Retriever conceptual guide
• Retriever how-to guides