A query is received from a user via a user device. A geographic area and a category of business for the query are identified. Using reviews related to the geographic area and the category of business from a plurality of users, candidate experts are selected from among the users. For each of the candidate experts, a respective agreement score is determined based on differences between reviews of businesses reviewed by the user and the candidate expert. Personalized experts are selected from among the candidate experts in view of the determined agreement scores. Local search results responsive to the query are ranked using reviews of the local search results by the personalized experts, and the ranked local search are displayed via a user device.