Virtual Knowledge Communities (VKC) are current popular media on the internet through which the access and sharing of knowledge and information among communities of similar interest groups are made possible. Agent's technologies are presently being deployed to facilitate the success of VKC, which is a virtual place where knowledge agents can meet, communicate and interact among themselves. Recently, quite a number of works have been done on agent-based knowledge communities but most of these

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... ks have not actually considered the possibilities of intrusion and the consequences that these malicious attacks can have on those systems. This paper therefore addresses the issue of intrusion detection problems in the sharing of knowledge in agent-based virtual knowledge communities. Intelligent agents are proposed as measures to guide against any spy or intruder into the VKC environment. The relevance of this method in current scientific research cannot be overemphasized as the work shows great potentials of yielding promising results.