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近年来,数字资源呈指数级增长,“信息超载”问题日益严重,个性化推荐系统成为数字图书馆关注的焦点。随着情境一词的出现,诸多图书馆纷纷尝试将情境概念融入到数字图书馆服务中。文章围绕科研圈分析用户情境信息,探究数字图书馆中用户的情境数据,提出基于科研圈的数字图书馆多层情境推荐模型,以为用户提供更为及时准确的信息推荐。
In recent years, the exponential growth of digital resources, “information overload ” problem is more serious, personalized recommendation system has become the focus of digital library. With the emergence of the word context, many libraries have tried to incorporate situational concepts into digital library services. The article analyzes the users ’situation information around the research circle, explores the users’ situation data in the digital library, and puts forward the digital library multi-layer situation recommendation model based on the research circle to provide users with more timely and accurate information recommendation.