Update retrieval_parent.py

retrieval_parent.py

@@ -18,7 +18,7 @@ from langchain_core.documents import Document
 
 # --- Configuration ---
 GENERATION_MODEL = "llama-3.1-8b-instant"
-RERANKER_MODEL = 'cross-encoder/stsb-distilroberta-base'
+RERANKER_MODEL = 'BAAI/bge-reranker-v2-m3'
 INITIAL_K_CANDIDATES = 20
 TOP_K_CHUNKS = 10 
 
@@ -43,7 +43,7 @@ async def generate_hypothetical_document(query: str, groq_api_key: str) -> str:
         chat_completion = await client.chat.completions.create(
             messages=[{"role": "user", "content": prompt}],
             model=GENERATION_MODEL,
-            temperature=0.7,
+            temperature=0.3,
             max_tokens=500,
         )
         end_time = time.perf_counter() # <-- END TIMER