bm = 20, semantic = 30. hybrid = 40, cutoff = 0.65, topk_reranker= 20

index_retriever.py

@@ -21,7 +21,7 @@ def create_query_engine(vector_index):
         
         vector_retriever = VectorIndexRetriever(
             index=vector_index, 
-            similarity_top_k=20,  
+            similarity_top_k=30,  
             similarity_cutoff=0.65
         )
         

utils.py

@@ -243,7 +243,7 @@ def answer_question(question, query_engine, reranker, current_model, chunks_df=N
             question,  
             retrieved_nodes, 
             reranker, 
-            top_k=40,
+            top_k=20,
             min_score_threshold=0.5, 
             diversity_penalty=0.3
         )