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Example

knowledge_base.py
from phi.knowledge.combined import CombinedKnowledgeBase
from phi.vectordb.pgvector import PgVector

from resources import vector_db

knowledge_base = CombinedKnowledgeBase(
    sources=[
        url_pdf_knowledge_base,
        website_knowledge_base,
        local_pdf_knowledge_base,
    ],
    vector_db=PgVector(
        # Table name: llm.combined_documents
        table_name="combined_documents",
        db_url=vector_db.get_db_connection_local(),
    ),
)

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CombinedKnowledgeBase Params

ParameterTypeDefaultDescription
sourcesList[AgentKnowledge][]List of knowledge bases.

​
AgentKnowledge Params

CombinedKnowledgeBase is a subclass of the AgentKnowledge class and has access to the same params

ParameterTypeDefaultDescription
readerOptional[Reader]NoneReader to read the documents
vector_dbOptional[VectorDb]NoneVector db to store the knowledge base
num_documentsint2Number of relevant documents to return on search
optimize_onOptional[int]1000Number of documents to optimize the vector db on
driverstr"knowledge"Driver for the Assistant knowledge

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