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In task-based business environments, effective knowledge management relies on providing task-relevant information to fulfill the information needs of knowledge workers. This work proposes an adaptive task-based profiling approach to model workers' task needs, namely information needs (profiles) on tasks. Meanwhile, a fuzzy analytical method is proposed to identify peer-groups with similar taskneeds based on workers' profiles. Accordingly, a Knowledge Support (K-Support) system is developed todoi:10.1016/j.eswa.2005.04.036 fatcat:7cy6tccxgrcllpsgfpu54p7d5m