1. A method comprising: receiving a request with respect to at least one resource in a cloud, wherein the received request is in the form of a service level agreement; determining a set of resources among the at least one resource in the cloud in accordance with the received request, wherein determining the set of resources comprises: consulting an ontology including metadata associated with the at least one resource in the cloud, wherein consulting the ontology comprises comparing terms in the service level agreement with terms describing the at least one resource in the cloud; and computing the set of resources based on the metadata and the received request, wherein computing the set of resources comprises evaluating relationships among the at least one resource in the cloud; computing a cost factor with respect to the determined set of resources; and rendering the determined set of resources and the cost factor with respect to the determined set of resources.