【摘要】 文章首先回顾信息觅食理论的理论基础和基本模型;然后将信息线索划分为文字型、像型、音频型和视频型四种类型,设计信息线索在学科导航网站中应用的五个原则;最后,构建基于信息觅食理论的学科导航网站性能优化模型,选择美国的Infomine学科导航网站进行案例分析。更多还原

【Abstract】 Firstly,the paper reviews the theory foundations and basic models of information foraging theory.Then the paper divides the information scent into four types such as text,pictures,radios,and videos and designs the five rules concerned with the applying information scent to subject navigation website.Lastly,the paper constructs the model of subject navigation website performances optimization based on information foraging theory and conducts a case study taking the American subject navigation website named Infomine as an example.更多还原