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用户驱动的微博可视化搜索

DOI: 10.11834/jig.20150514

Keywords: 可视化搜索,扩展查询,微博搜索,关注度传递

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Abstract:

目的微博作为一个社交与信息分享平台,日信息量数以亿计,如何高效地搜索用户感兴趣的信息成为亟待解决的问题.提出了一个新颖的用户驱动的可视化微博信息搜索方法.方法采用特征词及其权重来建模用户的兴趣特征,并基于此建立用户与特征词之间的相关关系.搜索微博信息时,首先定位与检索词相关的微博用户,在相关微博用户的微博中筛选与搜索相关的微博.另外,采用关注度传递算法对搜索进行扩展,将返回的特征词和微博用户进行可视化展示,并提供交互供用户查看与选定特征词或用户相关的微博.结果实验结果表明,基于本文方法,用户可以高效地定位感兴趣的微博信息.结论以用户作为桥梁,大大缩小了微博信息的搜索范围,同时采用关注度传递算法对搜索进行扩展,对结果进行可视化展示.实验表明本文方法能够使用户快速搜索出感兴趣的信息.

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