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	BrowseRank: Letting web users vote for page importance
	Liu, Yuting ; Ma, Zhiming ; Gao, Bin ; Liu, Tie-Yan ; Zhang, Ying ; He, Shuyuan ; Li, Hang
	2008
英文摘要	This paper proposes a new method for computing page importance, referred to as BrowseRank. The conventional approach to compute page importance is to exploit the link graph of the web and to build a model based on that graph. For instance, PageRank is such an algorithm, which employs a discrete-time Markov process as the model. Unfortunately, the link graph might be incomplete and inaccurate with respect to data for determining page importance, because links can be easily added and deleted by web content creators. In this paper, we propose computing page importance by using a 'user browsing graph' created from user behavior data. In this graph, vertices represent pages and directed edges represent transitions between pages in the users' web browsing history. Furthermore, the lengths of staying time spent on the pages by users are also included. The user browsing graph is more reliable than the link graph for inferring page importance. This paper further proposes using the continuous-time Markov process on the user browsing graph as a model and computing the stationary probability distribution of the process as page importance. An efficient algorithm for this computation has also been devised. In this way, we can leverage hundreds of millions of users' implicit voting on page importance. Experimental results show that BrowseRank indeed outperforms the baseline methods such as PageRank and TrustRank in several tasks. Copyright 2008 ACM.; EI; 0
语种	英语
出处	EI
内容类型	其他
源URL	[http://hdl.handle.net/20.500.11897/327826]
专题	数学科学学院
推荐引用方式 GB/T 7714	Liu, Yuting,Ma, Zhiming,Gao, Bin,et al. BrowseRank: Letting web users vote for page importance. 2008-01-01.

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