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    • 8. 发明申请
    • Method and apparatus for maintaining and navigating a non-hierarchical personal spatial file system
    • 用于维护和导航非分层个人空间文件系统的方法和装置
    • US20050187931A1
    • 2005-08-25
    • US11113457
    • 2005-04-25
    • Thomas CofinoJonathan Lenchner
    • Thomas CofinoJonathan Lenchner
    • G06F7/00G06F17/30
    • G06F17/30312G06F17/30684
    • A self-organizing personal file system is disclosed that evaluates the “importance” of terms and phrases in a document in a personal corpus relative to usage in a reference corpus. A personalized term weighting scheme assigns a weight to terms or phrases based on the frequency of occurrence of the corresponding term or phrase in a reference corpus. The personalized term weighting for a given term or phrase can be used to store and access documents containing the corresponding term or phrase in the spatial file system and provides coordinates in a spatial file system, for one or more documents containing the corresponding term or phrase. The location of a given document in a file space may be specified by the relative frequency distribution of the stems of its significant terms or phrases compared to the occurrence of such terms or phrases in a reference corpus. The employed term weighting scheme can be based on the fractional frequency of a term in a user's document relative to the fractional frequency of the term in the reference corpus, or alternative term weighting schemes, such as entropy weightings and traditional tf×idf weightings can be employed. A spatial rendering system utilizes the personalized term weights as coordinates for each document in a spatial file system. The spatial rendering system positions landmarks in the visual file space indicating terms that are correlated to terms associated with axes of the file system.
    • 公开了一种自组织个人文件系统,其相对于参考语料库中的使用来评估个人语料库中的文档中的术语和短语的“重要性”。 个性化术语加权方案基于参考语料库中相应术语或短语的出现频率来赋予术语或短语的权重。 用于给定术语或短语的个性化术语加权可用于存储和访问在空间文件系统中包含相应术语或短语的文档,并为空间文件系统提供包含相应术语或短语的一个或多个文档的坐标。 给定文档在文件空间中的位置可以通过其与重要术语或短语的词干相对频率分布来指定,与参考语料库中的这些术语或短语的出现相比较。 所使用的术语加权方案可以基于用户文档中的项的分数频率相对于参考语料库中的术语的分数频率,或者可以采用替代项加权方案,例如熵权重和传统的tfxidf权重。 空间渲染系统利用个性化术语权重作为空间文件系统中每个文档的坐标。 空间渲染系统将视觉文件空间中的地标定位,指示与文件系统的轴相关联的术语相关联的术语。