What is Query Boosting, Weighting, and Thresholding?
Query Boosting means increasing the importance of certain terms or fields in a search query so they influence the ranking more strongly. Sometimes not all parts of a query are equally important. For example: - In a product search, matching the title might matter more than matching the description. - In a document search, matching a keyword might matter more than matching the body text. For example, if you search for: title:"machine learning"^3 description:"machine learning" The "^3" means “boost the title match 3× more than the description match.” Weighting is the general idea of assigning different levels of importance to features, fields, or signals during ranking or scoring. Boosting is a type of weighting, but weighting can apply to: - Query terms - Document fields - Machine ‑ learning features - User behavior signals (clicks, recency, popul...