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Takealook: personalizing information presentation according to user's interest space

In this paper, we present a system called Takealook, which personalizes information presentation according to individual interests and knowledge of the user. The basic idea is that the system infers a user's interests and personalizes information presentation by processing the user's operation history and the interest space. The user's interest space is structured from the presenter's individual conceptual space and the user's operation history, which is acquired through question-answer interactions between the user and the system. We employ a method similar to collaborative filtering for improving interest spaces.