...概念的研究 求的表示 (representation of the user’s problem)：分四个层次，分别为真正的信息需求(RIN, Real Information Need)，感觉到的信息需求 (PIN, Perceived Information Need)，请求 (Re..
基于6个网页-相关网页
信息检索中“相关性”概念的研究 求的表示 (representation of the user’s problem)：分四个层次，分别为真正的信息需求(RIN, Real Information Need)，感觉到的信息需求 (PIN, Perceived Information Need)，请求 (Re..
基于2个网页-相关网页
要决定什么型号的汽车最适合你，你就必须把个人感情放在一边，专注搜索相关的信息，比较不同型号的汽车，评估你真正的需求。
To determine which vehicle is best for you, you should set emotion aside and focus on doing your homework, comparing different models, and assessing your real wants and needs.
只有解决信息非对称问题，才能真正满足用户的文献需求。
On when the problem of non-symmetry is solved can library meet the documentation and information demand of the users.
以管理者为主体，主观取舍信息，不易掌握用户真正的需求。
Take the superintendent as the main body, subjectively takes the shed information, is not easy to grasp the user true demand.
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