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Displaying 1-6 out of 6 total
Longitudinal Sales Responses with Online Reviews
Found in: Data Mining Workshops, International Conference on
By Xiaojun Quan,Liu Wenyin,Wenyu Dou
Issue Date:December 2011
pp. 103-108
The longitudinal impact of online consumer reviews on hotel sales is studied. Different from previous efforts using pure ratings, this study explores the extraction and representation of consumer sentiments within review comments in an iterative approach. ...
 
Link Graph Analysis for Business Site Selection
Found in: Computer
By Xiaojun Quan,Liu Wenyin,Wenyu Dou,Hui Xiong,Yong Ge
Issue Date:March 2012
pp. 64-69
This study proposes a graph-based method to address the business site selection problem from a perspective of
 
Antiphishing through Phishing Target Discovery
Found in: IEEE Internet Computing
By Liu Wenyin,Gang Liu,Bite Qiu,Xiaojun Quan
Issue Date:March 2012
pp. 52-61
Phishing attacks are growing in both volume and sophistication. The antiphishing method described here collects webpages with either a direct or indirect association with a given suspicious webpage. This enables the discovery of a webpage's so-called
 
Term Weighting Schemes for Question Categorization
Found in: IEEE Transactions on Pattern Analysis and Machine Intelligence
By Xiaojun Quan, Wenyin Liu, Bite Qiu
Issue Date:May 2011
pp. 1009-1021
Abstract—Term weighting has proven to be an effective way to improve the performance of text categorization. Very recently, with the development of user-interactive question answering or community question answering, there has emerged a need to accurately ...
 
Emotion tagging for comments of online news by meta classification with heterogeneous information sources
Found in: Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval (SIGIR '12)
By Lin Dai, Luo Si, Xiaojie Yuan, Xiaojun Quan, Yi Fang, Ying Zhang
Issue Date:August 2012
pp. 1059-1060
With the rapid growth of online news services, users can actively respond to online news by making comments. Users often express subjective emotions in comments such as sadness, surprise and anger. Such emotions can help understand the preferences and pers...
     
Adaptive label-driven scaling for latent semantic indexing
Found in: Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval (SIGIR '08)
By Enhong Chen, Hui Xiong, Qiming Luo, Xiaojun Quan
Issue Date:July 2008
pp. 2-2
This paper targets on enhancing Latent Semantic Indexing (LSI) by exploiting category labels. Specifically, in the term-document matrix, the vector for each term either appearing in labels or semantically close to labels is scaled before performing Singula...
     
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