Search Engines Architecture Query Process User interaction supports creation and refinement of query display of results Ranking uses query and indexes to generate ranked list of documents Evaluation monitors and measures effectiveness and efficiency (primarily offlineSearch Engines 9 Query Process ▪ User interaction ▪ supports creation and refinement of query, display of results ▪ Ranking ▪ uses query and indexes to generate ranked list of documents ▪ Evaluation ▪ monitors and measures effectiveness and efficiency (primarily offline) Architecture