【摘要】 针对如何将时间信息嵌入话题跟踪系统进行了探究,比较倒数方式与跨度-交叉度方式各自对话题跟踪系统的影响。通过实验证明,跨度-交叉度的时间信息嵌入方式对于提升话题跟踪系统性能更有效。更多还原

【Abstract】 Topic Tracking is one of the important tasks of TDT.And temporal information plays a role in describing a topic.In this paper,we discusses how to embed temporal information in Topic Tracking system and compares the reciprocal manner with the span-cross manner.Experiments show that the span-cross manner displays better in improving the TT system performance.更多还原