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The web was projected to support resource sharing at global level. Nowadays, this resource sharing is very limited, mainly respect to imperfect information retrieval and hidden web. The semantic web comes up as a possible solution to such limitations. The virtual communities of practice are groups of people who get in with each other virtually and share their knowledge. The use of semantic web technologies can be very useful in construction of tools to support these communities. This text presents a tool constructed to help knowledge management in virtual communities of practice. It was developed based on the semantic web principles.