US Patent 10127285 Customizable ranking of search engine results in multi-tenant architecture

In an example embodiment, a listing of factors to evaluate during calculating of an index score for documents in a database is received, as well as a ranking of each factor in the listing of factors. A relevance multiplication factor is also obtained. Then a document to index in the database is received and the document is indexed. An index score is calculated for the document based on the listing of factors and the ranking of each factor. Then a search query on the database is received. A search score for the document is calculated based on the search query. Then an overall relevance score is calculated for the document for the search query by combining the index score and the search score using the relevance multiplication factor.