In this paper we thoroughly discuss design and implementation issues for semantic search and navigation to ontology-based metrics and indicators metadata. These semantic search and navigation capabilities are basic functionalities offered by the metrics and indicators cataloging web system in order to accede to related information by registered users. Moreover, this environment can finally allow tools, evaluators and other stakeholders to have service and consultation mechanisms based on a sound specification of the entity type, the attribute and metric definition, related indicators, and calculable concepts, among other metadata. In fact, distributed cataloging systems and interoperable repositories of metrics and indicators can effectively be used to support different quality assurance processes. Particularly, in this work we show the design of the navigational model for semantic search and navigation by the registered user of the cataloging system. The navigational map is a view def...