A contrastively trained retriever that selects behaviorally consistent call/no-call demonstrations raises H2A direct-response rate by 8.5 points and ToolDEER no-search accuracy by 4.2 points on average, without fine-tuning the LLM.
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Beyond Semantic Similarity: Reducing Unnecessary API Calls via Behavior-Aligned Retriever
A contrastively trained retriever that selects behaviorally consistent call/no-call demonstrations raises H2A direct-response rate by 8.5 points and ToolDEER no-search accuracy by 4.2 points on average, without fine-tuning the LLM.