Organizations gain knowledge by carrying out more and more projects, Since internal knowledge originates from the organization itself, the suitability of this knowledge for reuse in prospected projects is high. This reason strongly motivates establishing an organizational knowledge management infrastructure. This study approaches ideas, techniques and feasibility of implementing a knowledge base of skills and processes. It focuses on an ontology-based approach and the effort required to initiate and maintain an ontological knowledge base.; The goal of the study is to examine the ontological approach. We compare it to another approach of information retrieval: text-based retrieval. As text-based retrieval is an easier to implement---yet efficient---retrieval system, we explain its capabilities and limitations as compared to the ontology-based approach.; We tested against a proposed development process and used existing efficiency measurements for both approaches. In spite of the high quality retrieval an ontology-based system delivers, results revealed the high effort required to build and maintain it. On the other hand, the results illustrate that good efficiency and low effort are required to build a text-based retrieval system. However, text-based retrieval is found to have limited capabilities in retrieving knowledge within certain contexts. Finally, we discuss the organizational perspective and factors affecting the choice of a specific approach.
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