DocAILab BGE Reranker Component
Provide the reranker capability for an Agentic RAG slot.
Interface
Input RerankRequest:
query: original retrieval querydocuments: JSON-compatible documents containingidandtexttop_k: maximum returned documents- optional
model,batch_size,max_length,device
Output RerankResult:
documents: documents re-ranked by normalized cross-encoderscore
Execution
Run scripts/component.py:run(inputs, context). The Component lazily loads the local BGE cross-encoder and scores (query, passage) pairs with a Sigmoid-normalized relevance score. It performs reranking only; do not use it for first-stage retrieval or generation.