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    • 2. 发明申请
    • HIERARCHICAL PLAYLIST GENERATOR
    • 分层播放列表发电机
    • WO2005071570A2
    • 2005-08-04
    • PCT/IB2005050184
    • 2005-01-17
    • KONINKL PHILIPS ELECTRONICS NVPHILIPS CORPVIGNOLI FABIOPAUWS STEFFEN CLARENCE
    • VIGNOLI FABIOPAUWS STEFFEN CLARENCE
    • G06F17/30
    • G06F17/30772G06F17/30029G06F17/30053G06F17/30749G06F17/30766G06F17/30867G11B27/105Y10S707/99945
    • A playlist generator partitions the playlist generation process into a multi-stage, hierarchical process. At an example highest hierarchical level, the user's "general" preferences are applied. These general preferences reflect the user's "tastes", and are relatively constant. At a lower level of the hierarchy, the user's "specific" preferences are applied. These specific preferences reflect the dynamic time-dependent or event­dependent aspects of a user's entertainment preferences. The high-level preferences generate a subset of material from the global collection of material, and the lower-level preferences are applied to this subset of material as the user's immediate preferences change. By segregating the playlist generation process hierarchically, efficiency is gained by applying immediate preference changes to a smaller subset of material, and coherency is improved by limiting the subsequent selection processes to a given subset of the material.
    • 播放列表生成器将播放列表生成处理分割为多级分层处理。 在最高层次级别的示例中,应用用户的“一般”偏好。 这些一般偏好反映了用户的“口味”,并且相对不变。 在层次结构的较低级别,应用用户的“特定”首选项。 这些特定偏好反映了用户娱乐偏好的动态时间依赖性或事件依赖性方面。 高级偏好从全局材料集合中生成材料的子集,并且随着用户的即时偏好改变,较低级别的偏好将应用于该材料子集。 通过分级地分隔播放列表生成过程,通过对较小的材料子集应用即时偏好改变来获得效率,并且通过将随后的选择过程限制到材料的给定子集来提高一致性。