This deliverable provides a methodology to determine an the knowledge management maturity level of an organization. This depends on the level of experience of the organization w.r.t. knowledge management from an organizational, human andtechnology perspective. For the technological aspects of KM the deliverable provides an elaborated set of guidelines for ontology engineering and application in SEKT: DILIGENT -- DIstributed, Loosely-controlled and evolvInG Engineering of oNTologies. The deliverable consists of the following building blocks: (i) a survey of relevant existing approaches to aforementioned topics, (ii) the DILIGENT process model and argumentation framework, (iii) a cost model to estimate the ontology building efforts, (iv) a process model to learn ontologies and (v) guidelines for the evaluation of the diligent process model.