Intent-Aware Query Routing for Hybrid Search Systems
Introduction Modern search platforms rarely rely on a single retrieval strategy. In practice, a production system often supports multiple search modes, such as: Keyword search for exact identifiers and error codes Semantic search for conceptual or explanatory queries Structured search where natural language is translated into a query DSL (e.g., Lucene) The challenge is not implementing these search engines individually — it is deciding, at query time, which engine to route a user query to. ...