Reseach on Demand Model of Knowledge about Community Users Based on Concept Lattice
Fan Zhang · Information Sciences · 2011
Based on concept lattice theory,this article constructs concept lattice of hot topic of community knowledge by formal concept analysis,and mines the common characteristics of knowledge needs of the user by most frequent item in the concept lattice clustering.On this basis,three characteristics of knowledge needs of community users were presented: social impact,time migration,demand hierarchy,and establishes the demand model of knowledge to community users.